/* roulang page: index */
:root{
  --brand-900:#0C2A21;
  --brand-700:#123A2E;
  --brand-500:#1E5A46;
  --accent-500:#FF6A2B;
  --accent-600:#E8511B;
  --lime-400:#C6F24E;
  --bg:#F6F4EE;
  --surface:#FFFFFF;
  --surface-alt:#EFEDE4;
  --dark:#0C2A21;
  --text:#16211C;
  --text-2:#5A6862;
  --text-3:#8A948E;
  --line:#E3DFD5;
  --line-2:#D8D3C6;
  --success:#2F8F5B;
  --warning:#C98A00;
  --error:#C2452D;
  --radius-card:14px;
  --radius-lg:16px;
  --radius-btn:10px;
  --shadow-1:0 1px 2px rgba(12,42,33,.06),0 6px 18px rgba(12,42,33,.06);
  --shadow-2:0 8px 26px rgba(12,42,33,.12);
  --ease:180ms ease;
  --font:-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",sans-serif;
  --num:"DIN Alternate","Oswald",-apple-system,"PingFang SC","Microsoft YaHei",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  font-size:17px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;}
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible,label:focus-visible{
  outline:2px solid var(--brand-900);
  outline-offset:2px;
}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding:0;list-style:none;}
button{font-family:inherit;font-size:inherit;cursor:pointer;border:0;background:none;color:inherit;}
input,textarea,select{font-family:inherit;font-size:inherit;color:inherit;}
table{border-collapse:collapse;width:100%;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.num{font-family:var(--num);font-variant-numeric:tabular-nums;letter-spacing:-.01em;}

/* ---------- 按钮与文字链 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:0 22px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;line-height:1;
  transition:background var(--ease),color var(--ease),border-color var(--ease),transform var(--ease),box-shadow var(--ease);
  text-align:center;
}
.btn-primary{background:var(--accent-500);color:#fff;box-shadow:0 6px 16px rgba(255,106,43,.24);}
.btn-primary:hover{background:var(--accent-600);transform:translateY(-1px);box-shadow:0 10px 22px rgba(232,81,27,.28);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{background:#fff;color:var(--brand-700);border:1px solid var(--line-2);}
.btn-ghost:hover{border-color:var(--brand-700);background:#fff;color:var(--brand-900);}
.btn-dark{background:var(--brand-900);color:var(--bg);}
.btn-dark:hover{background:var(--brand-500);transform:translateY(-1px);}
.btn-block{width:100%;}
.btn[disabled],.btn.is-disabled{opacity:.45;cursor:not-allowed;transform:none;box-shadow:none;}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--brand-700);font-weight:600;font-size:15px;
  border-bottom:1px solid transparent;transition:color var(--ease);
}
.link-arrow .arw{transition:transform var(--ease);display:inline-block;}
.link-arrow:hover{color:var(--accent-600);}
.link-arrow:hover .arw{transform:translateX(2px);}
.link-quiet{font-size:14px;color:var(--brand-700);text-decoration:underline;text-underline-offset:3px;transition:color var(--ease);}
.link-quiet:hover{color:var(--accent-600);}

/* ---------- 头部 ---------- */
.site-header{position:sticky;top:0;z-index:60;background:var(--bg);border-bottom:1px solid var(--line);}
.brand-row{display:flex;align-items:center;justify-content:space-between;gap:20px;height:64px;}
.brand{display:flex;align-items:center;gap:12px;}
.logo-mark{
  width:42px;height:42px;border-radius:12px;flex:0 0 auto;
  background:linear-gradient(150deg,var(--brand-700),var(--brand-900) 62%);
  position:relative;box-shadow:0 4px 12px rgba(12,42,33,.22);
}
.logo-mark::before{
  content:"";position:absolute;inset:0;border-radius:12px;
  background:
    linear-gradient(120deg,transparent 46%,var(--accent-500) 46%,var(--accent-500) 58%,transparent 58%),
    radial-gradient(circle at 30% 74%,var(--lime-400) 0 3px,transparent 3.5px);
  opacity:.95;
}
.logo-mark::after{
  content:"";position:absolute;right:6px;top:6px;width:12px;height:12px;
  border-top:2.5px solid var(--bg);border-right:2.5px solid var(--bg);
  border-top-right-radius:4px;
}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-main{font-size:19px;font-weight:800;letter-spacing:-.02em;color:var(--brand-900);}
.brand-sub{font-size:12px;letter-spacing:.1em;color:var(--accent-600);font-weight:600;margin-top:3px;}
.header-actions{display:flex;align-items:center;gap:18px;}
.header-actions .link-quiet{white-space:nowrap;}
.header-actions .btn{min-height:40px;padding:0 18px;font-size:14px;}
.burger{
  display:none;width:42px;height:42px;border:1px solid var(--line-2);border-radius:10px;
  background:#fff;align-items:center;justify-content:center;flex-direction:column;gap:4px;
}
.burger span{display:block;width:18px;height:2px;background:var(--brand-900);border-radius:2px;transition:transform var(--ease),opacity var(--ease);}
.burger[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg);}
.burger[aria-expanded="true"] span:nth-child(2){opacity:0;}
.burger[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}

.channel-row{background:var(--surface-alt);border-top:1px solid var(--line);}
.channel-nav{
  display:flex;align-items:center;gap:4px;height:48px;
  overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none;
}
.channel-nav::-webkit-scrollbar{display:none;}
.channel-link{
  display:inline-flex;align-items:center;height:48px;padding:0 16px;
  font-size:14.5px;font-weight:600;color:var(--text-2);white-space:nowrap;
  border-bottom:2px solid transparent;transition:color var(--ease),background var(--ease),border-color var(--ease);
}
.channel-link:hover{background:#fff;color:var(--brand-700);}
.channel-link.active{background:#fff;color:var(--brand-700);border-bottom-color:var(--accent-500);}
.channel-link:focus-visible{outline-offset:-3px;}

/* ---------- 移动抽屉 ---------- */
.drawer{
  position:fixed;inset:0;z-index:90;display:none;
  background:var(--bg);
  flex-direction:column;
  padding:0;
}
.drawer.is-open{display:flex;}
.drawer-head{display:flex;align-items:center;justify-content:space-between;height:64px;padding:0 18px;border-bottom:1px solid var(--line);}
.drawer-body{flex:1;overflow-y:auto;padding:20px 18px 140px;}
.drawer-group-title{font-size:12px;font-weight:700;letter-spacing:.14em;color:var(--text-3);margin:6px 0 10px;}
.drawer-list{display:flex;flex-direction:column;gap:6px;margin-bottom:24px;}
.drawer-list a{
  display:flex;align-items:center;justify-content:space-between;
  padding:13px 16px;background:#fff;border:1px solid var(--line);border-radius:12px;
  font-size:15.5px;font-weight:600;color:var(--text);
}
.drawer-list a.active{color:var(--brand-700);border-color:var(--brand-700);}
.drawer-list a span.dot{width:7px;height:7px;border-radius:50%;background:var(--accent-500);}
.drawer-foot{
  position:absolute;left:0;right:0;bottom:0;padding:16px 18px calc(16px + env(safe-area-inset-bottom));
  background:#fff;border-top:1px solid var(--line);display:flex;flex-direction:column;gap:10px;
}
.drawer-foot p{font-size:13px;color:var(--text-2);}
.drawer-close{width:40px;height:40px;border-radius:10px;border:1px solid var(--line-2);background:#fff;font-size:18px;line-height:1;color:var(--brand-900);}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;background:var(--bg);}
.hero::before{
  content:"";position:absolute;right:0;top:0;width:46%;height:100%;
  background:var(--brand-900);opacity:.05;
  clip-path:polygon(18% 0,100% 0,100% 100%,0 100%);
  pointer-events:none;
}
.hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(12,42,33,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(12,42,33,.06) 1px,transparent 1px);
  background-size:64px 64px;
  mask-image:linear-gradient(120deg,transparent 42%,#000 100%);
  -webkit-mask-image:linear-gradient(120deg,transparent 42%,#000 100%);
  opacity:.7;
}
.hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.32fr 1fr;gap:48px;align-items:center;padding:72px 0 76px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:999px;background:#fff;border:1px solid var(--line-2);
  font-size:12.5px;font-weight:700;letter-spacing:.06em;color:var(--brand-700);
  box-shadow:var(--shadow-1);
}
.eyebrow i{width:8px;height:8px;border-radius:50%;background:var(--accent-500);display:inline-block;}
.hero-title{
  font-size:clamp(30px,4.4vw,50px);line-height:1.2;letter-spacing:-.01em;font-weight:800;
  color:var(--brand-900);margin:18px 0 0;
}
.hero-title .hl{
  position:relative;display:inline-block;color:var(--brand-900);
}
.hero-title .hl::after{
  content:"";position:absolute;left:0;right:0;bottom:4px;height:10px;
  background:var(--lime-400);opacity:.55;border-radius:4px;z-index:-1;
}
.hero-sub{margin-top:16px;font-size:17px;line-height:1.85;color:var(--text-2);max-width:34em;}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px;}
.hero-points{margin-top:30px;display:flex;flex-direction:column;gap:10px;}
.hero-points li{display:flex;align-items:flex-start;gap:10px;font-size:14.5px;color:var(--text-2);}
.tick{
  flex:0 0 auto;width:18px;height:18px;border-radius:50%;background:var(--brand-700);
  display:inline-flex;align-items:center;justify-content:center;margin-top:3px;
}
.tick::before{content:"";width:8px;height:4px;border-left:2px solid var(--lime-400);border-bottom:2px solid var(--lime-400);transform:rotate(-45deg) translateY(-1px);}
.hero-media{position:relative;}
.hero-figure{
  position:relative;border-radius:var(--radius-lg);overflow:hidden;
  box-shadow:var(--shadow-2);aspect-ratio:16/10;background:var(--brand-700);
}
.hero-figure img{width:100%;height:100%;object-fit:cover;}
.hero-figure::after{
  content:"";position:absolute;inset:0;background:rgba(12,42,33,.28);
}
.hero-datacard{
  position:absolute;left:-14px;bottom:-18px;background:#fff;border-radius:14px;
  padding:16px 20px;box-shadow:var(--shadow-2);border:1px solid var(--line);
  display:flex;align-items:center;gap:16px;
}
.hero-datacard .big{font-size:32px;font-weight:700;color:var(--brand-900);line-height:1;font-family:var(--num);font-variant-numeric:tabular-nums;}
.hero-datacard .sm{font-size:12.5px;color:var(--text-2);line-height:1.5;}
.hero-datacard .divider{width:1px;height:34px;background:var(--line-2);}

/* ---------- 通用区块 ---------- */
.section{padding:80px 0;}
.section.alt{background:var(--surface-alt);}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:32px;}
.section-title{font-size:clamp(23px,3vw,34px);line-height:1.28;font-weight:700;letter-spacing:-.01em;color:var(--brand-900);}
.section-desc{margin-top:12px;font-size:15.5px;color:var(--text-2);max-width:46em;}
.section-tag{
  display:inline-block;font-size:12px;font-weight:700;letter-spacing:.14em;
  color:var(--accent-600);margin-bottom:10px;
}

/* ---------- 痛点区 ---------- */
.pain-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;}
.pain-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  padding:26px 28px;transition:border-color var(--ease),box-shadow var(--ease),transform var(--ease);
  position:relative;
}
.pain-card:hover{border-color:var(--brand-700);box-shadow:var(--shadow-1);transform:translateY(-2px);}
.pain-num{
  font-family:var(--num);font-size:13px;font-weight:700;letter-spacing:.08em;
  color:var(--accent-600);margin-bottom:10px;display:block;
}
.pain-card p{font-size:17px;font-weight:600;line-height:1.65;color:var(--text);}
.pain-card small{display:block;margin-top:8px;font-size:14px;color:var(--text-2);font-weight:400;line-height:1.7;}

/* ---------- 方案区 ---------- */
.plan-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px;}
.plan-main{
  grid-column:1 / -1;display:grid;grid-template-columns:1.05fr 1fr;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  overflow:hidden;box-shadow:var(--shadow-1);
  transition:box-shadow var(--ease),transform var(--ease),border-color var(--ease);
}
.plan-main:hover{box-shadow:var(--shadow-2);transform:translateY(-2px);border-color:var(--brand-700);}
.plan-main-media{position:relative;min-height:300px;background:var(--brand-700);}
.plan-main-media img{width:100%;height:100%;object-fit:cover;position:absolute;inset:0;}
.plan-main-body{padding:34px 36px;display:flex;flex-direction:column;justify-content:center;}
.plan-num{
  width:44px;height:44px;border-radius:12px;display:inline-flex;align-items:center;justify-content:center;
  border:1.5px solid var(--lime-400);color:var(--brand-900);
  font-family:var(--num);font-size:16px;font-weight:700;margin-bottom:16px;
  background:rgba(198,242,78,.16);
}
.plan-main h3{font-size:24px;line-height:1.4;font-weight:700;color:var(--brand-900);}
.plan-main p{margin-top:12px;font-size:15.5px;color:var(--text-2);line-height:1.85;}
.plan-main .link-arrow{margin-top:20px;}
.plan-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  padding:28px;transition:border-color var(--ease),box-shadow var(--ease),transform var(--ease);
  display:flex;flex-direction:column;
}
.plan-card:hover{border-color:var(--brand-700);box-shadow:var(--shadow-2);transform:translateY(-2px);}
.plan-card h3{font-size:20px;font-weight:700;line-height:1.45;color:var(--brand-900);}
.plan-card p{margin-top:10px;font-size:14.5px;color:var(--text-2);line-height:1.8;}
.plan-card .link-arrow{margin-top:18px;}
.plan-list-card{
  grid-column:1 / -1;display:flex;gap:20px;align-items:center;
  background:linear-gradient(100deg,#fff 0%,#fff 58%,rgba(198,242,78,.16) 100%);
  border:1px solid var(--line);border-radius:var(--radius-card);padding:22px 26px;
  transition:border-color var(--ease),box-shadow var(--ease);
}
.plan-list-card:hover{border-color:var(--brand-700);box-shadow:var(--shadow-1);}
.plan-list-card .thumb{
  flex:0 0 132px;height:86px;border-radius:12px;overflow:hidden;background:var(--brand-700);
}
.plan-list-card .thumb img{width:100%;height:100%;object-fit:cover;}
.plan-list-card h3{font-size:18px;font-weight:700;color:var(--brand-900);}
.plan-list-card p{font-size:14px;color:var(--text-2);margin-top:6px;}
.plan-list-card .link-arrow{margin-left:auto;white-space:nowrap;}

/* ---------- 数据条 ---------- */
.stats-band{background:var(--dark);color:var(--bg);padding:56px 0;}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.stat-item{padding-left:20px;border-left:2px solid rgba(198,242,78,.35);}
.stat-num{font-family:var(--num);font-variant-numeric:tabular-nums;font-size:40px;font-weight:700;line-height:1;color:var(--lime-400);letter-spacing:-.02em;}
.stat-label{margin-top:10px;font-size:12.5px;letter-spacing:.04em;color:rgba(246,244,238,.72);}

/* ---------- 资讯列表 ---------- */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.news-card{
  display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius-card);overflow:hidden;
  transition:border-color var(--ease),box-shadow var(--ease),transform var(--ease);
}
.news-card:hover{border-color:var(--brand-700);box-shadow:var(--shadow-2);transform:translateY(-2px);}
.news-thumb{position:relative;aspect-ratio:16/9;background:var(--brand-700);overflow:hidden;}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform 320ms ease;}
.news-card:hover .news-thumb img{transform:scale(1.03);}
.badge{
  position:absolute;left:12px;top:12px;z-index:2;
  background:#fff;color:var(--brand-700);font-size:12px;font-weight:700;
  padding:4px 10px;border-radius:6px;letter-spacing:.02em;
  box-shadow:0 1px 3px rgba(12,42,33,.14);
}
.news-body{padding:20px 22px 18px;display:flex;flex-direction:column;flex:1;}
.news-title{
  font-size:17px;line-height:1.55;font-weight:700;color:var(--brand-900);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  min-height:calc(1.55em * 2);
}
.news-desc{
  margin-top:8px;font-size:14px;line-height:1.75;color:var(--text-2);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  min-height:calc(1.75em * 2);
}
.news-meta{
  margin-top:14px;padding-top:12px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  font-size:12.5px;color:var(--text-3);
}
.news-meta .go{color:var(--brand-700);font-weight:600;font-size:13px;}
.news-card--wide{grid-column:span 2;flex-direction:row;}
.news-card--wide .news-thumb{flex:0 0 46%;aspect-ratio:auto;min-height:100%;}
.news-card--wide .news-body{justify-content:center;padding:26px 28px;}
.news-card--wide .news-title{font-size:20px;-webkit-line-clamp:2;}
.news-card--wide .news-desc{-webkit-line-clamp:3;min-height:calc(1.75em * 2);}
.empty-state{
  background:#fff;border:1px dashed var(--line-2);border-radius:var(--radius-card);
  padding:52px 24px;text-align:center;
}
.empty-state .ico{
  width:52px;height:52px;margin:0 auto 14px;border-radius:14px;background:var(--surface-alt);
  display:flex;align-items:center;justify-content:center;color:var(--brand-700);font-size:22px;font-weight:700;
}
.empty-state p{font-size:15px;color:var(--text-2);}

/* ---------- 使用场景 ---------- */
.scene-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.scene-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  padding:22px;display:flex;flex-direction:column;gap:12px;
  transition:border-color var(--ease),box-shadow var(--ease),transform var(--ease);
  position:relative;overflow:hidden;
}
.scene-card::before{
  content:"";position:absolute;right:-30px;top:-30px;width:96px;height:96px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,106,43,.16),transparent 70%);
}
.scene-card:hover{border-color:var(--brand-700);box-shadow:var(--shadow-1);transform:translateY(-2px);}
.scene-avatar{
  width:56px;height:56px;border-radius:16px;overflow:hidden;background:var(--brand-700);flex:0 0 auto;
}
.scene-avatar img{width:100%;height:100%;object-fit:cover;}
.scene-card h3{font-size:16.5px;font-weight:700;color:var(--brand-900);}
.scene-card p{font-size:13.5px;line-height:1.75;color:var(--text-2);}
.level-badge{
  align-self:flex-start;font-size:11.5px;font-weight:700;letter-spacing:.05em;
  padding:3px 9px;border-radius:6px;border:1px solid rgba(30,90,70,.28);
  color:var(--brand-700);background:rgba(30,90,70,.06);
}

/* ---------- FAQ ---------- */
.faq-list{border-top:1px solid var(--line);max-width:920px;}
.faq-item{border-bottom:1px solid var(--line);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:22px 4px;text-align:left;font-size:16px;font-weight:600;color:var(--text);
  transition:color var(--ease);
}
.faq-q:hover{color:var(--brand-700);}
.faq-icon{
  flex:0 0 auto;width:26px;height:26px;border-radius:8px;background:var(--surface-alt);
  display:inline-flex;align-items:center;justify-content:center;
  font-size:16px;font-weight:600;color:var(--brand-700);
  transition:transform 240ms ease,background var(--ease),color var(--ease);
}
.faq-item.open .faq-icon{transform:rotate(45deg);background:var(--accent-500);color:#fff;}
.faq-a{
  max-height:0;overflow:hidden;transition:max-height 240ms ease;
}
.faq-a-inner{padding:0 4px 22px;font-size:15px;line-height:1.85;color:var(--text-2);max-width:62em;}

/* ---------- 表单区 ---------- */
.contact-grid{display:grid;grid-template-columns:5fr 7fr;gap:40px;align-items:start;}
.contact-copy h2{font-size:clamp(23px,3vw,32px);line-height:1.3;font-weight:700;color:var(--brand-900);}
.contact-copy p{margin-top:14px;font-size:15.5px;color:var(--text-2);line-height:1.85;}
.contact-points{margin-top:22px;display:flex;flex-direction:column;gap:12px;}
.contact-points li{display:flex;gap:10px;font-size:14.5px;color:var(--text-2);align-items:flex-start;}
.contact-points .tick{background:var(--accent-500);}
.contact-points .tick::before{border-color:#fff;}
.form-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  padding:28px;box-shadow:var(--shadow-1);
}
.field{margin-bottom:18px;}
.field label{display:block;font-size:13px;font-weight:600;color:var(--text);margin-bottom:8px;letter-spacing:.02em;}
.input,.textarea{
  width:100%;border:1px solid var(--line-2);border-radius:var(--radius-btn);
  background:#fff;padding:0 14px;height:46px;font-size:15px;color:var(--text);
  transition:border-color var(--ease),box-shadow var(--ease);
}
.textarea{height:auto;padding:12px 14px;min-height:110px;line-height:1.7;resize:vertical;}
.input::placeholder,.textarea::placeholder{color:var(--text-3);}
.input:focus,.textarea:focus{outline:none;border-color:var(--brand-700);box-shadow:0 0 0 3px rgba(18,58,46,.12);}
.segmented{display:flex;flex-wrap:wrap;gap:8px;}
.segmented label{
  display:inline-flex;align-items:center;gap:6px;margin:0;
  padding:9px 15px;border:1px solid var(--line-2);border-radius:999px;
  font-size:13.5px;font-weight:600;color:var(--text-2);cursor:pointer;background:#fff;
  transition:border-color var(--ease),color var(--ease),background var(--ease);
}
.segmented input{position:absolute;opacity:0;width:0;height:0;}
.segmented label:hover{border-color:var(--brand-700);color:var(--brand-700);}
.segmented input:checked + span{color:var(--brand-700);}
.segmented label:has(input:checked){border-color:var(--brand-700);background:rgba(30,90,70,.06);color:var(--brand-700);}
.check-row{display:flex;align-items:flex-start;gap:9px;margin:4px 0 16px;}
.check-row input{width:16px;height:16px;margin-top:4px;accent-color:var(--brand-700);}
.check-row label{margin:0;font-size:12.5px;font-weight:400;color:var(--text-2);line-height:1.7;}
.form-note{
  margin-top:16px;padding-top:14px;border-top:1px solid var(--line);
  font-size:12px;color:var(--text-3);line-height:1.7;
}
.form-tip{margin-top:12px;font-size:13px;color:var(--success);display:none;}
.form-tip.show{display:block;}

/* ---------- 弹层 ---------- */
.lead-modal{
  position:fixed;inset:0;z-index:120;display:none;
  align-items:center;justify-content:center;padding:24px;
  background:rgba(12,42,33,.55);
}
.lead-modal.is-open{display:flex;}
.modal-card{
  position:relative;width:100%;max-width:520px;background:#fff;border-radius:var(--radius-lg);
  padding:30px;box-shadow:0 24px 60px rgba(12,42,33,.32);
  max-height:calc(100vh - 48px);overflow-y:auto;
}
.modal-card h3{font-size:21px;font-weight:700;color:var(--brand-900);line-height:1.4;}
.modal-card > p{margin-top:10px;font-size:14.5px;color:var(--text-2);line-height:1.8;}
.modal-close{
  position:absolute;right:12px;top:12px;width:40px;height:40px;border-radius:10px;
  display:flex;align-items:center;justify-content:center;font-size:20px;color:var(--text-2);
  background:var(--surface-alt);transition:background var(--ease),color var(--ease);
}
.modal-close:hover{background:var(--accent-500);color:#fff;}
body.modal-open{overflow:hidden;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--brand-900);color:rgba(246,244,238,.78);padding:64px 0 0;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.45fr 1fr 1fr 1fr;gap:36px;padding-bottom:44px;}
.footer-brand .brand-main{color:var(--bg);}
.footer-brand .brand-sub{color:var(--lime-400);}
.footer-brand p{margin-top:16px;font-size:14px;line-height:1.85;color:rgba(246,244,238,.66);max-width:30em;}
.footer-col h4{font-size:13px;font-weight:700;letter-spacing:.12em;color:var(--bg);margin-bottom:14px;}
.footer-col ul{display:flex;flex-direction:column;gap:9px;}
.footer-col a{font-size:14px;color:rgba(246,244,238,.72);transition:color var(--ease);}
.footer-col a:hover{color:var(--lime-400);}
.footer-contact li{font-size:14px;color:rgba(246,244,238,.72);line-height:1.8;}
.footer-bottom{
  border-top:1px solid rgba(246,244,238,.16);padding:20px 0 26px;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;
  font-size:12.5px;color:rgba(246,244,238,.55);
}
.footer-bottom .links{display:flex;flex-wrap:wrap;gap:16px;}
.footer-bottom a:hover{color:var(--lime-400);}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .hero-inner{gap:36px;padding:60px 0 68px;}
  .scene-grid{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:1023px){
  .section{padding:64px 0;}
  .hero-inner{grid-template-columns:1fr;gap:36px;padding:52px 0 60px;}
  .hero-media{max-width:640px;}
  .hero-datacard{left:12px;bottom:12px;position:absolute;}
  .plan-main{grid-template-columns:1fr;}
  .plan-main-media{min-height:220px;aspect-ratio:16/9;position:relative;}
  .news-grid{grid-template-columns:repeat(2,1fr);}
  .news-card--wide{grid-column:span 2;flex-direction:row;}
  .stats-grid{grid-template-columns:repeat(2,1fr);gap:28px;}
  .contact-grid{grid-template-columns:1fr;gap:28px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:767px){
  body{font-size:16px;}
  .container{padding:0 18px;}
  .header-actions .link-quiet{display:none;}
  .header-actions .btn{display:none;}
  .burger{display:inline-flex;}
  .brand-main{font-size:16.5px;}
  .brand-sub{font-size:11px;}
  .logo-mark{width:38px;height:38px;border-radius:11px;}
  .channel-row{display:none;}
  .hero-inner{padding:40px 0 52px;}
  .hero-actions .btn{width:100%;}
  .hero-datacard{position:static;margin-top:14px;left:auto;bottom:auto;justify-content:flex-start;}
  .pain-grid{grid-template-columns:1fr;}
  .plan-grid{grid-template-columns:1fr;}
  .plan-list-card{flex-direction:column;align-items:flex-start;gap:14px;}
  .plan-list-card .thumb{width:100%;flex:none;height:150px;}
  .plan-list-card .link-arrow{margin-left:0;}
  .news-grid{grid-template-columns:1fr;}
  .news-card--wide{grid-column:span 1;flex-direction:column;}
  .news-card--wide .news-thumb{flex:none;aspect-ratio:16/9;min-height:0;}
  .news-card--wide .news-body{padding:20px 22px 18px;}
  .news-card--wide .news-title{font-size:18px;}
  .scene-grid{grid-template-columns:1fr;}
  .section-head{flex-direction:column;align-items:flex-start;gap:14px;}
  .stats-band{padding:44px 0;}
  .stat-num{font-size:32px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .lead-modal{padding:0;align-items:flex-end;}
  .modal-card{max-width:none;border-radius:16px 16px 0 0;max-height:92vh;padding:26px 20px 30px;}
}
@media (max-width:479px){
  .hero-title{font-size:27px;}
  .hero-sub{font-size:15.5px;}
  .plan-main-body{padding:24px 22px;}
  .plan-card{padding:22px;}
  .form-card{padding:20px;}
  .hero-datacard .big{font-size:26px;}
  .stat-num{font-size:28px;}
  .faq-q{font-size:15px;padding:18px 2px;}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important;}
  html{scroll-behavior:auto;}
}

/* roulang page: article */
:root{
  --brand-900:#0C2A21;
  --brand-700:#123A2E;
  --brand-500:#1E5A46;
  --accent-500:#FF6A2B;
  --accent-600:#E8511B;
  --lime-400:#C6F24E;
  --bg:#F6F4EE;
  --bg-soft:#EFEDE4;
  --card:#FFFFFF;
  --text:#16211C;
  --text-2:#5A6862;
  --text-3:#8A948E;
  --line:#E3DFD5;
  --line-2:#D8D3C6;
  --success:#2F8F5B;
  --warning:#C98A00;
  --error:#C2452D;
  --radius-card:14px;
  --radius-lg:16px;
  --radius-btn:10px;
  --shadow-card:0 1px 2px rgba(12,42,33,.06),0 6px 18px rgba(12,42,33,.06);
  --shadow-hover:0 8px 26px rgba(12,42,33,.12);
  --container:1200px;
  --ease:180ms ease;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0;}
ul,ol{padding:0;list-style:none;}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;transition:color var(--ease);}
a:hover{color:var(--accent-600);}
button{font-family:inherit;font-size:inherit;color:inherit;border:0;background:none;cursor:pointer;}
input,textarea,select{font-family:inherit;font-size:inherit;}
table{border-collapse:collapse;width:100%;}
:focus-visible{outline:2px solid var(--brand-900);outline-offset:2px;border-radius:4px;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:80;background:var(--bg);border-bottom:1px solid var(--line);}
.brand-row{display:flex;align-items:center;justify-content:space-between;gap:16px;height:64px;}
.brand{display:inline-flex;align-items:center;gap:10px;min-width:0;}
.logo-mark{
  position:relative;width:38px;height:38px;border-radius:11px;flex:none;
  background:linear-gradient(140deg,var(--brand-700),var(--brand-900));
  box-shadow:inset 0 0 0 1px rgba(246,244,238,.14);
}
.logo-mark::before{
  content:"";position:absolute;left:9px;top:11px;width:20px;height:16px;
  background:var(--lime-400);
  clip-path:polygon(0 0,100% 45%,0 100%,26% 51%);
  opacity:.92;
}
.logo-mark::after{
  content:"";position:absolute;right:7px;bottom:7px;width:6px;height:6px;border-radius:2px;
  background:var(--accent-500);
}
.brand-text{display:flex;flex-direction:column;line-height:1.2;min-width:0;}
.brand-main{font-size:17px;font-weight:800;letter-spacing:-.02em;color:var(--brand-900);white-space:nowrap;}
.brand-sub{font-size:11px;letter-spacing:.1em;color:var(--brand-500);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.header-actions{display:flex;align-items:center;gap:18px;}
.header-link{font-size:14px;color:var(--text-2);}
.header-link:hover{color:var(--accent-600);}
.menu-toggle{
  display:none;width:40px;height:40px;border-radius:10px;border:1px solid var(--line-2);
  background:var(--card);align-items:center;justify-content:center;flex:none;
}
.menu-toggle span{display:block;position:relative;width:17px;height:2px;background:var(--brand-900);border-radius:2px;}
.menu-toggle span::before,.menu-toggle span::after{
  content:"";position:absolute;left:0;width:17px;height:2px;background:var(--brand-900);border-radius:2px;
}
.menu-toggle span::before{top:-5px;}
.menu-toggle span::after{top:5px;}

.channel-row{background:var(--bg-soft);border-top:1px solid var(--line);}
.channel-nav{display:flex;align-items:stretch;gap:4px;height:48px;overflow-x:auto;scrollbar-width:none;}
.channel-nav::-webkit-scrollbar{display:none;}
.channel-link{
  display:inline-flex;align-items:center;padding:0 15px;font-size:14px;color:var(--text-2);
  border-bottom:2px solid transparent;white-space:nowrap;transition:background var(--ease),color var(--ease),border-color var(--ease);
}
.channel-link:hover{background:#fff;color:var(--brand-700);}
.channel-link.active{background:#fff;color:var(--brand-700);font-weight:600;border-bottom-color:var(--accent-500);}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 22px;border-radius:var(--radius-btn);font-size:15px;font-weight:600;
  line-height:1.2;transition:background var(--ease),color var(--ease),border-color var(--ease),transform var(--ease),box-shadow var(--ease);
  border:1px solid transparent;
}
.btn-primary{background:var(--accent-500);color:#fff;box-shadow:0 4px 14px rgba(232,81,27,.24);}
.btn-primary:hover{background:var(--accent-600);color:#fff;transform:translateY(-1px);}
.btn-primary:active{transform:translateY(0);}
.btn-secondary{background:#fff;color:var(--brand-700);border-color:var(--line-2);}
.btn-secondary:hover{color:var(--brand-700);border-color:var(--brand-700);}
.btn-ghost{color:var(--brand-700);font-weight:600;font-size:15px;display:inline-flex;align-items:center;gap:6px;}
.btn-ghost .arrow{transition:transform var(--ease);}
.btn-ghost:hover{color:var(--accent-600);}
.btn-ghost:hover .arrow{transform:translateX(3px);}
.btn-block{width:100%;}
.btn[disabled],.btn.is-disabled{opacity:.45;cursor:not-allowed;transform:none;}

/* ---------- page head ---------- */
.page-head{position:relative;overflow:hidden;background:var(--bg-soft);border-bottom:1px solid var(--line);padding:24px 0 38px;}
.page-head::before{
  content:"";position:absolute;right:-140px;top:-120px;width:440px;height:440px;
  background:var(--brand-900);opacity:.055;border-radius:56px;transform:rotate(16deg);pointer-events:none;
}
.page-head::after{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.05;
  background-image:linear-gradient(var(--brand-900) 1px,transparent 1px),linear-gradient(90deg,var(--brand-900) 1px,transparent 1px);
  background-size:56px 56px;
  mask-image:linear-gradient(120deg,transparent 40%,#000 100%);
  -webkit-mask-image:linear-gradient(120deg,transparent 40%,#000 100%);
}
.breadcrumb{position:relative;z-index:1;display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--text-3);margin-bottom:18px;}
.breadcrumb a{color:var(--text-2);}
.breadcrumb a:hover{color:var(--accent-600);}
.breadcrumb .sep{color:var(--line-2);}
.breadcrumb .current{color:var(--brand-700);font-weight:600;}
.article-head{position:relative;z-index:1;max-width:900px;}
.badge{
  display:inline-flex;align-items:center;gap:6px;padding:5px 11px;border-radius:6px;
  background:#fff;color:var(--brand-700);font-size:12px;font-weight:600;letter-spacing:.02em;
  border:1px solid var(--line);box-shadow:0 1px 2px rgba(12,42,33,.05);
}
.badge-accent{background:rgba(255,106,43,.12);color:var(--accent-600);border-color:rgba(255,106,43,.28);}
.badge-lime{background:rgba(198,242,78,.2);color:var(--brand-700);border-color:rgba(198,242,78,.7);}
.article-head h1{
  font-size:clamp(28px,4vw,44px);line-height:1.24;letter-spacing:-.01em;font-weight:800;
  margin:16px 0 16px;color:var(--brand-900);
}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:13px;color:var(--text-3);font-variant-numeric:tabular-nums;}
.article-meta .dot{color:var(--line-2);}
.article-meta .strong{color:var(--text-2);font-weight:600;}

/* ---------- layout ---------- */
.article-layout{
  display:grid;grid-template-columns:minmax(0,2fr) minmax(0,1fr);
  gap:32px;padding:40px 0 72px;align-items:start;
}
.article-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:34px 36px;box-shadow:var(--shadow-card);
}
.article-lead{
  border-left:3px solid var(--accent-500);background:var(--bg-soft);
  padding:16px 20px;border-radius:0 10px 10px 0;color:var(--text-2);font-size:15px;line-height:1.8;margin-bottom:26px;
}

/* ---------- article body typography ---------- */
.article-body{font-size:17px;line-height:1.9;color:var(--text);}
.article-body p{margin:0 0 1.4em;}
.article-body h2{
  font-size:clamp(21px,2.4vw,27px);line-height:1.32;font-weight:700;color:var(--brand-900);
  padding-left:14px;border-left:4px solid var(--accent-500);margin:40px 0 16px;
}
.article-body h3{font-size:20px;line-height:1.45;font-weight:700;color:var(--brand-900);margin:28px 0 12px;}
.article-body h4{font-size:17px;font-weight:600;color:var(--brand-700);margin:22px 0 10px;}
.article-body ul,.article-body ol{margin:0 0 1.4em;padding:0;}
.article-body ul li,.article-body ol li{position:relative;padding-left:22px;margin-bottom:.6em;color:var(--text);}
.article-body ul li::before{
  content:"";position:absolute;left:2px;top:.72em;width:7px;height:7px;border-radius:2px;
  background:var(--accent-500);
}
.article-body ol{counter-reset:artnum;}
.article-body ol li{counter-increment:artnum;}
.article-body ol li::before{
  content:counter(artnum,decimal-leading-zero);position:absolute;left:0;top:0;
  font-size:13px;font-weight:700;color:var(--accent-600);font-variant-numeric:tabular-nums;
}
.article-body blockquote{
  margin:24px 0;padding:20px 22px;background:var(--bg-soft);border-left:3px solid var(--accent-500);
  border-radius:0 12px 12px 0;color:var(--text-2);font-size:16px;line-height:1.85;
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{border-radius:12px;margin:24px 0 8px;width:100%;height:auto;background:var(--brand-700);}
.article-body figure{margin:24px 0;}
.article-body figcaption{font-size:13px;color:var(--text-3);text-align:center;margin-top:10px;}
.article-body a{color:var(--brand-700);text-decoration:underline;text-underline-offset:3px;text-decoration-color:var(--line-2);}
.article-body a:hover{color:var(--accent-600);text-decoration-color:var(--accent-500);}
.article-body strong{font-weight:700;color:var(--brand-900);}
.article-body code{
  background:var(--bg-soft);border:1px solid var(--line);border-radius:6px;padding:1px 6px;
  font-size:14px;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}
.article-body .table-wrap{overflow-x:auto;margin:24px 0;border:1px solid var(--line);border-radius:12px;}
.article-body table{width:100%;min-width:520px;font-size:15px;}
.article-body th{background:var(--bg-soft);text-align:left;font-weight:600;color:var(--brand-900);padding:12px 14px;border-bottom:1px solid var(--line);white-space:nowrap;}
.article-body td{padding:12px 14px;border-bottom:1px solid var(--line);color:var(--text-2);font-variant-numeric:tabular-nums;}
.article-body tbody tr:nth-child(even){background:rgba(239,237,228,.5);}
.article-body tbody tr:hover{background:var(--bg-soft);}
.article-body tbody tr:last-child td{border-bottom:0;}

/* ---------- empty state ---------- */
.empty-state{
  text-align:center;padding:56px 24px;border:1px dashed var(--line-2);border-radius:var(--radius-card);
  background:var(--bg-soft);
}
.empty-icon{
  width:56px;height:56px;margin:0 auto 18px;border-radius:16px;background:#fff;border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;box-shadow:var(--shadow-card);
}
.empty-icon span{width:20px;height:20px;border-radius:6px;border:2px solid var(--brand-500);position:relative;}
.empty-icon span::after{content:"";position:absolute;inset:5px;background:var(--accent-500);border-radius:2px;}
.empty-state h3{font-size:19px;font-weight:700;color:var(--brand-900);margin-bottom:8px;}
.empty-state p{color:var(--text-2);font-size:15px;margin-bottom:20px;}

/* ---------- tag list ---------- */
.tag-block{margin-top:36px;padding-top:24px;border-top:1px dashed var(--line-2);display:flex;flex-wrap:wrap;align-items:center;gap:10px;}
.tag-block .label{font-size:13px;color:var(--text-3);margin-right:2px;}
.tag{
  display:inline-flex;align-items:center;padding:6px 13px;border-radius:999px;
  background:var(--bg-soft);border:1px solid var(--line);font-size:13px;color:var(--text-2);
  transition:all var(--ease);
}
.tag:hover{background:#fff;border-color:var(--brand-700);color:var(--brand-700);}

/* ---------- sidebar ---------- */
.side-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:22px;box-shadow:var(--shadow-card);margin-bottom:20px;
}
.side-card:last-child{margin-bottom:0;}
.side-title{
  display:flex;align-items:center;gap:8px;font-size:15px;font-weight:700;color:var(--brand-900);
  margin-bottom:16px;
}
.side-title::before{content:"";width:4px;height:15px;border-radius:2px;background:var(--accent-500);}
.mini-item{
  display:flex;gap:12px;align-items:flex-start;padding:12px 0;border-bottom:1px dashed var(--line);
  transition:transform var(--ease);
}
.mini-item:first-of-type{padding-top:0;}
.mini-item:last-child{border-bottom:0;padding-bottom:0;}
.mini-item:hover{transform:translateX(2px);}
.mini-thumb{
  width:74px;height:56px;flex:none;border-radius:8px;object-fit:cover;background:var(--brand-700);
}
.mini-body{min-width:0;}
.mini-body strong{display:block;font-size:14px;font-weight:600;line-height:1.5;color:var(--text);margin-bottom:3px;}
.mini-item:hover .mini-body strong{color:var(--brand-700);}
.mini-body span{font-size:12px;color:var(--text-3);line-height:1.6;display:block;}
.side-links li{border-bottom:1px dashed var(--line);}
.side-links li:last-child{border-bottom:0;}
.side-links a{display:flex;align-items:center;justify-content:space-between;gap:8px;padding:11px 0;font-size:14px;color:var(--text-2);}
.side-links a:hover{color:var(--accent-600);}
.side-links .arrow{transition:transform var(--ease);color:var(--text-3);}
.side-links a:hover .arrow{transform:translateX(3px);color:var(--accent-500);}
.side-download{
  background:linear-gradient(150deg,var(--brand-700),var(--brand-900));border-radius:var(--radius-card);
  padding:24px;color:var(--bg);box-shadow:var(--shadow-card);border:1px solid rgba(246,244,238,.08);
}
.side-download h3{font-size:17px;font-weight:700;margin-bottom:8px;color:#fff;}
.side-download p{font-size:13.5px;line-height:1.75;color:rgba(246,244,238,.76);margin-bottom:16px;}
.side-download .btn-primary{box-shadow:none;}
.side-note{font-size:12px;color:rgba(246,244,238,.55);margin-top:12px;line-height:1.7;}

/* ---------- related ---------- */
.related-section{padding:0 0 80px;}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:14px;margin-bottom:26px;}
.section-head h2{font-size:clamp(22px,2.8vw,30px);font-weight:700;line-height:1.3;color:var(--brand-900);letter-spacing:-.01em;}
.section-head p{font-size:14px;color:var(--text-2);margin-top:6px;}
.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;}
.related-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;
  box-shadow:var(--shadow-card);transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
  display:flex;flex-direction:column;
}
.related-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:var(--brand-700);}
.related-card .thumb{position:relative;aspect-ratio:16/9;background:var(--brand-700);overflow:hidden;}
.related-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform 400ms ease;}
.related-card:hover .thumb img{transform:scale(1.04);}
.related-card .thumb .badge{position:absolute;left:12px;top:12px;}
.related-card .rc-body{padding:18px 20px 20px;flex:1;display:flex;flex-direction:column;}
.related-card h3{font-size:17px;line-height:1.5;font-weight:700;color:var(--brand-900);margin-bottom:8px;}
.related-card p{font-size:14px;line-height:1.75;color:var(--text-2);margin-bottom:16px;}
.related-card .rc-foot{margin-top:auto;font-size:13px;color:var(--text-3);display:flex;align-items:center;justify-content:space-between;gap:10px;}
.related-card .rc-foot .btn-ghost{font-size:13px;}

/* ---------- cta strip ---------- */
.cta-strip{
  background:linear-gradient(135deg,var(--brand-900),var(--brand-700));
  border-radius:var(--radius-lg);padding:40px;color:var(--bg);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:24px;
  position:relative;overflow:hidden;
}
.cta-strip::after{
  content:"";position:absolute;right:-60px;bottom:-90px;width:280px;height:280px;border-radius:50%;
  background:radial-gradient(circle,rgba(198,242,78,.16),transparent 68%);
}
.cta-strip h2{font-size:clamp(21px,2.6vw,28px);font-weight:700;color:#fff;margin-bottom:8px;}
.cta-strip p{font-size:15px;color:rgba(246,244,238,.78);max-width:620px;}
.cta-strip .actions{display:flex;flex-wrap:wrap;gap:12px;position:relative;z-index:1;}
.cta-strip .btn-secondary{background:transparent;color:var(--bg);border-color:rgba(246,244,238,.35);}
.cta-strip .btn-secondary:hover{color:#fff;border-color:var(--bg);}

/* ---------- footer ---------- */
.site-footer{background:var(--brand-900);color:var(--bg);padding:64px 0 0;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;padding-bottom:44px;}
.footer-brand .brand{margin-bottom:16px;}
.footer-brand .brand-main{color:#fff;}
.footer-brand .brand-sub{color:rgba(246,244,238,.62);}
.footer-brand p{font-size:14px;line-height:1.85;color:rgba(246,244,238,.66);max-width:340px;}
.footer-col h4{font-size:14px;font-weight:700;color:#fff;margin-bottom:16px;letter-spacing:.02em;}
.footer-col ul li{margin-bottom:11px;}
.footer-col a{font-size:14px;color:rgba(246,244,238,.66);}
.footer-col a:hover{color:var(--accent-500);}
.footer-contact li{font-size:14px;color:rgba(246,244,238,.66);margin-bottom:11px;}
.footer-bottom{
  border-top:1px solid rgba(246,244,238,.12);padding:20px 0 26px;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:14px;
  font-size:13px;color:rgba(246,244,238,.55);
}
.footer-bottom .links{display:flex;flex-wrap:wrap;gap:20px;}
.footer-bottom a{color:rgba(246,244,238,.6);}
.footer-bottom a:hover{color:var(--accent-500);}

/* ---------- drawer ---------- */
.drawer-overlay{
  position:fixed;inset:0;background:rgba(12,42,33,.55);z-index:90;opacity:0;pointer-events:none;
  transition:opacity var(--ease);
}
.drawer-overlay.is-open{opacity:1;pointer-events:auto;}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(340px,88vw);background:var(--bg);z-index:100;
  transform:translateX(102%);transition:transform 240ms ease;display:flex;flex-direction:column;
  box-shadow:-10px 0 40px rgba(12,42,33,.2);
}
.drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:18px 20px;border-bottom:1px solid var(--line);}
.drawer-close{
  width:40px;height:40px;border-radius:10px;border:1px solid var(--line-2);background:#fff;
  display:flex;align-items:center;justify-content:center;font-size:18px;color:var(--brand-700);flex:none;
}
.drawer-close:hover{background:var(--bg-soft);}
.drawer-body{padding:18px 20px;overflow-y:auto;flex:1;}
.drawer-label{font-size:12px;letter-spacing:.14em;color:var(--text-3);margin:6px 0 12px;text-transform:uppercase;}
.drawer-link{
  display:block;padding:12px 14px;border-radius:10px;font-size:15px;color:var(--text-2);
  border:1px solid transparent;margin-bottom:6px;
}
.drawer-link:hover{background:#fff;border-color:var(--line);color:var(--brand-700);}
.drawer-link.active{background:#fff;border-color:var(--line);color:var(--brand-700);font-weight:600;}
.drawer-foot{padding:18px 20px 24px;border-top:1px solid var(--line);font-size:13px;color:var(--text-3);line-height:1.8;}
.drawer-foot .btn{margin-bottom:14px;}

/* ---------- responsive ---------- */
@media (max-width:1279px){
  .article-layout{grid-template-columns:minmax(0,1.9fr) minmax(0,1fr);gap:26px;}
  .article-card{padding:30px;}
}
@media (max-width:1023px){
  .article-layout{grid-template-columns:1fr;gap:26px;padding:32px 0 60px;}
  .article-card{padding:26px;}
  .side-card{margin-bottom:16px;}
  .related-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .cta-strip{padding:32px;}
}
@media (max-width:767px){
  .container{padding:0 18px;}
  .brand-row{height:56px;}
  .header-link{display:none;}
  .menu-toggle{display:inline-flex;}
  .header-actions{gap:10px;}
  .brand-main{font-size:16px;}
  .brand-sub{font-size:10px;}
  .channel-nav{height:44px;}
  .channel-link{padding:0 12px;font-size:13.5px;}
  .page-head{padding:20px 0 28px;}
  .article-head h1{margin:12px 0 12px;}
  .article-card{padding:22px 18px;border-radius:12px;}
  .article-body{font-size:16px;}
  .article-body h2{margin-top:32px;}
  .related-grid{grid-template-columns:1fr;}
  .cta-strip{padding:26px 20px;border-radius:14px;}
  .cta-strip .actions{width:100%;}
  .cta-strip .actions .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding-bottom:32px;}
  .site-footer{padding-top:48px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:10px;}
}
@media (max-width:479px){
  .brand-sub{max-width:150px;}
  .article-card{padding:18px 15px;}
  .mini-thumb{width:62px;height:48px;}
  .tag-block{gap:8px;}
  .tag{font-size:12px;padding:5px 11px;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;}
}

/* roulang page: category1 */
:root{
  --brand-900:#0C2A21;
  --brand-700:#123A2E;
  --brand-500:#1E5A46;
  --accent-500:#FF6A2B;
  --accent-600:#E8511B;
  --lime-400:#C6F24E;
  --bg:#F6F4EE;
  --surface:#FFFFFF;
  --surface-alt:#EFEDE4;
  --text:#16211C;
  --text-2:#5A6862;
  --text-3:#8A948E;
  --line:#E3DFD5;
  --line-2:#D8D3C6;
  --success:#2F8F5B;
  --warning:#C98A00;
  --error:#C2452D;
  --radius-sm:6px;
  --radius:14px;
  --radius-lg:16px;
  --radius-btn:10px;
  --shadow-1:0 1px 2px rgba(12,42,33,.06),0 6px 18px rgba(12,42,33,.06);
  --shadow-2:0 8px 26px rgba(12,42,33,.12);
  --container:1200px;
  --gap:24px;
  --ease:180ms ease;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",sans-serif;
  font-size:17px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,h5,p,ul,ol,figure{margin:0;}
ul,ol{padding:0;list-style:none;}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:3px;transition:color var(--ease);}
a:hover{color:var(--accent-600);}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer;}
input,textarea,select{font:inherit;color:inherit;}
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible,summary:focus-visible{
  outline:2px solid var(--brand-900);
  outline-offset:2px;
  border-radius:var(--radius-sm);
}
.no-scroll{overflow:hidden;}
.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 24px;
}
.section{padding:80px 0;}
.section--tight{padding:64px 0;}
.section--alt{background:var(--surface-alt);}

/* ============ 顶部品牌行 ============ */
.site-header{
  background:var(--surface);
  border-bottom:1px solid var(--line);
}
.brand-bar{background:var(--surface);}
.brand-bar-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  min-height:64px;
  padding-top:10px;
  padding-bottom:10px;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:11px;
  text-decoration:none;
}
.logo-mark{
  position:relative;
  width:38px;
  height:38px;
  flex:none;
  border-radius:11px;
  background:linear-gradient(150deg,var(--brand-500),var(--brand-900));
  box-shadow:inset 0 0 0 1px rgba(198,242,78,.25);
}
.logo-mark::before{
  content:"";
  position:absolute;
  left:10px;
  top:9px;
  width:15px;
  height:15px;
  border-left:3px solid var(--lime-400);
  border-bottom:3px solid var(--lime-400);
  border-radius:0 0 0 5px;
  transform:skewY(-16deg);
}
.logo-mark::after{
  content:"";
  position:absolute;
  right:9px;
  top:12px;
  width:7px;
  height:7px;
  border-top:3px solid rgba(246,244,238,.9);
  border-right:3px solid rgba(246,244,238,.9);
  transform:rotate(45deg);
}
.brand-text{display:flex;flex-direction:column;line-height:1.25;}
.brand-main{
  font-size:17px;
  font-weight:800;
  letter-spacing:-.02em;
  color:var(--brand-900);
}
.brand-sub{
  font-size:11.5px;
  letter-spacing:.1em;
  color:var(--text-2);
  font-weight:500;
}
.brand-actions{display:flex;align-items:center;gap:18px;}
.ghost-link{
  font-size:14.5px;
  font-weight:600;
  color:var(--brand-700);
  text-decoration:none;
  border-bottom:1px solid transparent;
  transition:color var(--ease),border-color var(--ease);
}
.ghost-link:hover{color:var(--accent-600);border-bottom-color:var(--accent-600);}
.nav-toggle{
  display:none;
  width:42px;
  height:42px;
  border:1px solid var(--line-2);
  border-radius:var(--radius-btn);
  align-items:center;
  justify-content:center;
  flex-direction:column;
  gap:4px;
}
.nav-toggle span{
  display:block;
  width:17px;
  height:2px;
  border-radius:2px;
  background:var(--brand-700);
  transition:transform var(--ease),opacity var(--ease);
}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}

/* ============ 频道导航 ============ */
.channel-nav{
  background:var(--surface-alt);
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
  display:flex;
  overflow-x:auto;
  scrollbar-width:none;
  -ms-overflow-style:none;
  padding:0 24px;
  max-width:var(--container);
  margin:0 auto;
}
.channel-nav::-webkit-scrollbar{display:none;}
.channel-link{
  display:inline-block;
  padding:13px 15px 12px;
  font-size:14.5px;
  font-weight:500;
  color:var(--text-2);
  white-space:nowrap;
  text-decoration:none;
  border-bottom:2px solid transparent;
  transition:background var(--ease),color var(--ease),border-color var(--ease);
}
.channel-link:hover{background:#fff;color:var(--brand-700);}
.channel-link.active{
  background:#fff;
  color:var(--brand-700);
  font-weight:700;
  border-bottom-color:var(--accent-500);
}

/* ============ 移动抽屉 ============ */
.drawer-mask{
  position:fixed;
  inset:0;
  background:rgba(12,42,33,.55);
  opacity:0;
  visibility:hidden;
  transition:opacity var(--ease),visibility var(--ease);
  z-index:90;
}
.drawer-mask.is-open{opacity:1;visibility:visible;}
.drawer{
  position:fixed;
  left:0;
  right:0;
  bottom:0;
  max-height:88vh;
  background:var(--surface);
  border-radius:18px 18px 0 0;
  z-index:100;
  transform:translateY(102%);
  transition:transform 260ms cubic-bezier(.32,.72,0,1);
  display:flex;
  flex-direction:column;
  overflow:hidden;
}
.drawer.is-open{transform:translateY(0);}
.drawer-head{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:16px 20px;
  border-bottom:1px solid var(--line);
}
.drawer-close{
  width:40px;
  height:40px;
  border-radius:50%;
  background:var(--surface-alt);
  color:var(--brand-700);
  font-size:20px;
  line-height:1;
  display:flex;
  align-items:center;
  justify-content:center;
}
.drawer-body{
  padding:18px 20px 8px;
  overflow-y:auto;
}
.drawer-body h4{
  font-size:12.5px;
  letter-spacing:.12em;
  color:var(--text-3);
  font-weight:700;
  margin:14px 0 8px;
}
.drawer-body h4:first-child{margin-top:0;}
.drawer-body ul li a{
  display:block;
  padding:11px 0;
  font-size:15.5px;
  color:var(--text);
  text-decoration:none;
  border-bottom:1px solid var(--line);
}
.drawer-body ul li a:hover{color:var(--accent-600);}
.drawer-foot{
  padding:14px 20px 22px;
  border-top:1px solid var(--line);
  background:var(--surface-alt);
  font-size:13px;
  color:var(--text-2);
  line-height:1.7;
}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:11px 20px;
  font-size:15px;
  font-weight:600;
  line-height:1.4;
  border-radius:var(--radius-btn);
  text-decoration:none;
  border:1px solid transparent;
  transition:background var(--ease),color var(--ease),border-color var(--ease),transform var(--ease),box-shadow var(--ease);
}
.btn-primary{
  background:var(--accent-500);
  color:#fff;
  box-shadow:0 4px 12px rgba(232,81,27,.22);
}
.btn-primary:hover{
  background:var(--accent-600);
  color:#fff;
  transform:translateY(-1px);
  box-shadow:0 8px 18px rgba(232,81,27,.28);
}
.btn-primary:active{transform:translateY(0);}
.btn-secondary{
  background:#fff;
  color:var(--brand-700);
  border-color:var(--line-2);
}
.btn-secondary:hover{
  border-color:var(--brand-700);
  color:var(--brand-700);
  transform:translateY(-1px);
}
.btn-block{width:100%;}
.btn[disabled],.btn.is-disabled{
  opacity:.45;
  cursor:not-allowed;
  transform:none;
}
.text-link{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:14px;
  font-weight:600;
  color:var(--brand-700);
  text-decoration:none;
}
.text-link::after{
  content:"→";
  transition:transform var(--ease),color var(--ease);
}
.text-link:hover{color:var(--accent-600);}
.text-link:hover::after{transform:translateX(2px);}

/* ============ 页头 ============ */
.page-head{
  position:relative;
  background:var(--surface);
  border-bottom:1px solid var(--line);
  padding:34px 0 46px;
  overflow:hidden;
}
.page-head::before{
  content:"";
  position:absolute;
  right:-140px;
  top:-110px;
  width:460px;
  height:340px;
  border-radius:40px;
  transform:skewX(-12deg);
  background:linear-gradient(150deg,rgba(18,58,46,.10),rgba(198,242,78,.20));
  pointer-events:none;
}
.page-head::after{
  content:"";
  position:absolute;
  inset:0;
  background-image:linear-gradient(rgba(12,42,33,.055) 1px,transparent 1px),linear-gradient(90deg,rgba(12,42,33,.055) 1px,transparent 1px);
  background-size:34px 34px;
  -webkit-mask-image:linear-gradient(115deg,transparent 42%,#000 100%);
  mask-image:linear-gradient(115deg,transparent 42%,#000 100%);
  pointer-events:none;
}
.page-head .container{position:relative;z-index:1;}
.breadcrumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:var(--text-2);
  margin-bottom:20px;
}
.breadcrumb a{text-decoration:none;color:var(--text-2);}
.breadcrumb a:hover{color:var(--accent-600);}
.breadcrumb .sep{color:var(--text-3);}
.breadcrumb .current{color:var(--brand-700);font-weight:600;}
.page-head-grid{
  display:grid;
  grid-template-columns:minmax(0,1fr) 310px;
  gap:40px;
  align-items:end;
}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:12.5px;
  font-weight:700;
  letter-spacing:.14em;
  color:var(--brand-500);
  text-transform:uppercase;
  margin-bottom:14px;
}
.eyebrow::before{
  content:"";
  width:22px;
  height:2px;
  background:var(--accent-500);
  border-radius:2px;
}
.page-head h1{
  font-size:clamp(28px,3.6vw,42px);
  line-height:1.22;
  letter-spacing:-.01em;
  font-weight:800;
  color:var(--brand-900);
  margin-bottom:16px;
}
.page-head .lead{
  font-size:16.5px;
  line-height:1.8;
  color:var(--text-2);
  max-width:640px;
}
.head-tags{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  margin-top:22px;
}
.tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:5px 12px;
  font-size:12.5px;
  font-weight:600;
  color:var(--brand-700);
  background:#fff;
  border:1px solid var(--line-2);
  border-radius:999px;
}
.tag--lime{
  border-color:rgba(198,242,78,.9);
  background:rgba(198,242,78,.22);
  color:var(--brand-900);
}
.head-card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  padding:22px;
  box-shadow:var(--shadow-1);
}
.head-card h2{
  font-size:13px;
  letter-spacing:.1em;
  color:var(--text-3);
  font-weight:700;
  margin-bottom:14px;
}
.head-stat{
  display:flex;
  align-items:baseline;
  gap:10px;
  padding:11px 0;
  border-bottom:1px dashed var(--line-2);
}
.head-stat:last-child{border-bottom:0;padding-bottom:0;}
.head-stat .num{
  font-size:30px;
  font-weight:800;
  line-height:1;
  color:var(--brand-700);
  font-variant-numeric:tabular-nums;
  letter-spacing:-.02em;
}
.head-stat .num small{font-size:14px;font-weight:700;margin-left:2px;}
.head-stat .label{
  font-size:13px;
  color:var(--text-2);
  line-height:1.5;
}

/* ============ 卡片网格 ============ */
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  margin-bottom:32px;
}
.section-head h2{
  font-size:clamp(23px,2.6vw,32px);
  line-height:1.28;
  font-weight:700;
  color:var(--brand-900);
  letter-spacing:-.01em;
}
.section-head p{
  margin-top:10px;
  font-size:15px;
  color:var(--text-2);
  max-width:560px;
}
.section-head .text-link{flex:none;padding-bottom:4px;}

.card-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:var(--gap);
}
.media-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius);
  overflow:hidden;
  box-shadow:var(--shadow-1);
  display:flex;
  flex-direction:column;
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.media-card:hover{
  transform:translateY(-2px);
  box-shadow:var(--shadow-2);
  border-color:var(--brand-700);
}
.card-media{
  position:relative;
  display:block;
  aspect-ratio:16/9;
  background:linear-gradient(140deg,var(--brand-700),var(--brand-500));
  overflow:hidden;
}
.card-media img{
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform 320ms ease;
}
.media-card:hover .card-media img{transform:scale(1.035);}
.card-media::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg,rgba(12,42,33,0) 45%,rgba(12,42,33,.30) 100%);
  pointer-events:none;
}
.badge{
  position:absolute;
  left:14px;
  top:14px;
  z-index:2;
  padding:4px 11px;
  font-size:12px;
  font-weight:700;
  color:var(--brand-700);
  background:rgba(255,255,255,.95);
  border-radius:var(--radius-sm);
  letter-spacing:.02em;
}
.card-body{
  padding:20px 22px 22px;
  display:flex;
  flex-direction:column;
  gap:10px;
  flex:1;
}
.card-body h3{
  font-size:18px;
  line-height:1.5;
  font-weight:700;
  color:var(--brand-900);
}
.card-body h3 a{text-decoration:none;color:inherit;}
.card-body h3 a:hover{color:var(--accent-600);}
.card-body p{
  font-size:14.5px;
  line-height:1.75;
  color:var(--text-2);
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.card-foot{
  margin-top:auto;
  padding-top:14px;
  border-top:1px solid var(--line);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  font-size:13px;
  color:var(--text-3);
}
.media-card--wide{
  grid-column:1 / -1;
  display:grid;
  grid-template-columns:1.05fr 1fr;
}
.media-card--wide .card-media{height:100%;min-height:280px;aspect-ratio:auto;}
.media-card--wide .card-body{padding:30px 32px;}
.media-card--wide .card-body h3{font-size:22px;line-height:1.42;}
.media-card--wide .card-body p{-webkit-line-clamp:3;font-size:15px;}
.media-card--wide .tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:2px;}

/* ============ 准备清单 ============ */
.prep-list{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:var(--gap);
}
.prep-item{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:24px;
  display:flex;
  gap:16px;
  box-shadow:var(--shadow-1);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.prep-item:hover{
  transform:translateY(-2px);
  border-color:var(--brand-700);
  box-shadow:var(--shadow-2);
}
.prep-num{
  flex:none;
  width:38px;
  height:38px;
  border-radius:10px;
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:14px;
  font-weight:800;
  color:var(--brand-900);
  background:rgba(198,242,78,.45);
  border:1px solid rgba(198,242,78,.95);
  font-variant-numeric:tabular-nums;
}
.prep-item h3{
  font-size:16.5px;
  font-weight:700;
  color:var(--brand-900);
  line-height:1.5;
  margin-bottom:8px;
}
.prep-item p{
  font-size:14px;
  line-height:1.75;
  color:var(--text-2);
}

/* ============ 提示条 ============ */
.notice-strip{
  margin-top:32px;
  display:flex;
  align-items:flex-start;
  gap:14px;
  padding:18px 22px;
  border-radius:var(--radius);
  background:rgba(255,106,43,.08);
  border:1px solid rgba(255,106,43,.28);
  font-size:14px;
  line-height:1.75;
  color:var(--brand-900);
}
.notice-strip strong{font-weight:700;}
.notice-strip .ico{
  flex:none;
  width:22px;
  height:22px;
  border-radius:50%;
  background:var(--accent-500);
  color:#fff;
  font-size:13px;
  font-weight:800;
  display:flex;
  align-items:center;
  justify-content:center;
  margin-top:2px;
}

/* ============ FAQ ============ */
.faq-wrap{max-width:860px;}
.faq-list{border-top:1px solid var(--line-2);}
.faq-item{border-bottom:1px solid var(--line-2);}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  text-align:left;
  padding:20px 4px;
  font-size:16px;
  font-weight:600;
  color:var(--brand-900);
  transition:color var(--ease);
}
.faq-q:hover{color:var(--accent-600);}
.faq-icon{
  position:relative;
  flex:none;
  width:20px;
  height:20px;
  transition:transform 240ms ease;
}
.faq-icon::before,.faq-icon::after{
  content:"";
  position:absolute;
  background:var(--brand-700);
  border-radius:2px;
  transition:background var(--ease);
}
.faq-icon::before{left:0;top:9px;width:20px;height:2px;}
.faq-icon::after{left:9px;top:0;width:2px;height:20px;}
.faq-item.is-open .faq-icon{transform:rotate(45deg);}
.faq-item.is-open .faq-icon::before,.faq-item.is-open .faq-icon::after{background:var(--accent-600);}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height 240ms ease;
}
.faq-a p{
  padding:0 44px 22px 4px;
  font-size:15px;
  line-height:1.85;
  color:var(--text-2);
}

/* ============ 表单区 ============ */
.contact-grid{
  display:grid;
  grid-template-columns:5fr 7fr;
  gap:48px;
  align-items:start;
}
.contact-intro h2{
  font-size:clamp(23px,2.6vw,32px);
  line-height:1.3;
  font-weight:700;
  color:var(--brand-900);
  margin-bottom:16px;
}
.contact-intro > p{
  font-size:15.5px;
  line-height:1.85;
  color:var(--text-2);
  margin-bottom:24px;
}
.contact-points li{
  display:flex;
  gap:12px;
  padding:12px 0;
  border-bottom:1px dashed var(--line-2);
  font-size:14.5px;
  color:var(--text-2);
  line-height:1.7;
}
.contact-points li:last-child{border-bottom:0;}
.contact-points .dot{
  flex:none;
  width:18px;
  height:18px;
  border-radius:50%;
  background:rgba(30,90,70,.12);
  color:var(--brand-700);
  font-size:11px;
  font-weight:800;
  display:flex;
  align-items:center;
  justify-content:center;
  margin-top:4px;
}
.form-card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:28px;
  box-shadow:var(--shadow-1);
}
.field{margin-bottom:18px;}
.field > label{
  display:block;
  font-size:13px;
  font-weight:600;
  color:var(--brand-900);
  margin-bottom:8px;
  letter-spacing:.02em;
}
.field input[type="text"],
.field input[type="email"],
.field textarea{
  width:100%;
  min-height:46px;
  padding:11px 14px;
  font-size:15px;
  color:var(--text);
  background:#fff;
  border:1px solid var(--line-2);
  border-radius:var(--radius-btn);
  transition:border-color var(--ease),box-shadow var(--ease);
}
.field textarea{resize:vertical;line-height:1.75;}
.field input::placeholder,.field textarea::placeholder{color:var(--text-3);}
.field input:focus,.field textarea:focus{
  outline:none;
  border-color:var(--brand-700);
  box-shadow:0 0 0 3px rgba(18,58,46,.12);
}
.segmented{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
}
.seg-btn{
  padding:9px 16px;
  font-size:14px;
  font-weight:600;
  color:var(--text-2);
  background:var(--surface-alt);
  border:1px solid var(--line-2);
  border-radius:999px;
  transition:all var(--ease);
}
.seg-btn:hover{border-color:var(--brand-700);color:var(--brand-700);}
.seg-btn.is-active{
  background:#fff;
  color:var(--brand-700);
  border-color:var(--brand-700);
  box-shadow:inset 0 -2px 0 var(--accent-500);
}
.consent{
  display:flex;
  align-items:flex-start;
  gap:9px;
  font-size:13px;
  line-height:1.7;
  color:var(--text-2);
  margin:6px 0 18px;
  cursor:pointer;
}
.consent input{
  width:16px;
  height:16px;
  margin-top:3px;
  accent-color:var(--brand-700);
  flex:none;
}
.form-note{
  margin-top:14px;
  padding-top:14px;
  border-top:1px solid var(--line);
  font-size:12.5px;
  line-height:1.7;
  color:var(--text-3);
}
.form-msg{
  display:none;
  margin-top:14px;
  padding:12px 14px;
  border-radius:var(--radius-btn);
  font-size:13.5px;
  background:rgba(47,143,91,.10);
  border:1px solid rgba(47,143,91,.35);
  color:#256F46;
}
.form-msg.is-show{display:block;}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--brand-900);
  color:rgba(246,244,238,.78);
  padding:64px 0 0;
  margin-top:0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1fr;
  gap:40px;
  padding-bottom:48px;
}
.site-footer .brand{gap:11px;}
.site-footer .brand-main{color:#F6F4EE;font-size:17px;}
.site-footer .brand-sub{color:rgba(246,244,238,.62);}
.footer-brand p{
  margin-top:16px;
  font-size:14px;
  line-height:1.8;
  color:rgba(246,244,238,.68);
  max-width:360px;
}
.footer-col h4{
  font-size:13px;
  font-weight:700;
  letter-spacing:.1em;
  color:rgba(246,244,238,.55);
  margin-bottom:16px;
}
.footer-col ul li{margin-bottom:10px;}
.footer-col ul li a{
  font-size:14.5px;
  color:rgba(246,244,238,.86);
  text-decoration:none;
  transition:color var(--ease);
}
.footer-col ul li a:hover{color:var(--lime-400);}
.footer-contact li{
  font-size:13.5px;
  line-height:1.8;
  color:rgba(246,244,238,.68);
}
.footer-bottom{
  border-top:1px solid rgba(246,244,238,.14);
  padding:20px 0 26px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  font-size:13px;
  color:rgba(246,244,238,.6);
}
.footer-bottom .links{display:flex;gap:20px;flex-wrap:wrap;}
.footer-bottom .links a{color:rgba(246,244,238,.7);text-decoration:none;}
.footer-bottom .links a:hover{color:var(--lime-400);}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  .page-head-grid{grid-template-columns:minmax(0,1fr) 280px;gap:32px;}
  .footer-grid{grid-template-columns:1.5fr 1fr 1fr 1fr;gap:32px;}
}
@media (max-width:1023px){
  .section{padding:64px 0;}
  .section--tight{padding:52px 0;}
  .brand-actions .ghost-link{display:none;}
  .page-head{padding:28px 0 38px;}
  .page-head-grid{grid-template-columns:1fr;gap:26px;align-items:start;}
  .head-card{max-width:420px;}
  .media-card--wide{grid-template-columns:1fr;}
  .media-card--wide .card-media{min-height:0;aspect-ratio:16/9;}
  .media-card--wide .card-body{padding:24px;}
  .media-card--wide .card-body h3{font-size:20px;}
  .prep-list{grid-template-columns:1fr;gap:16px;}
  .contact-grid{grid-template-columns:1fr;gap:32px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .footer-brand{grid-column:1 / -1;}
}
@media (max-width:767px){
  .container{padding:0 18px;}
  .channel-nav{padding:0 10px;}
  body{font-size:16px;}
  .brand-actions .btn{display:none;}
  .nav-toggle{display:flex;}
  .page-head h1{font-size:clamp(25px,6vw,32px);}
  .page-head .lead{font-size:15.5px;}
  .section{padding:48px 0;}
  .section--tight{padding:44px 0;}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;margin-bottom:24px;}
  .card-grid{grid-template-columns:1fr;}
  .media-card--wide{grid-column:auto;}
  .card-body{padding:18px;}
  .card-body h3{font-size:17px;}
  .faq-q{font-size:15.5px;padding:18px 2px;}
  .faq-a p{padding:0 30px 20px 2px;font-size:14.5px;}
  .form-card{padding:20px;}
  .seg-btn{padding:8px 14px;font-size:13.5px;}
  .site-footer{padding-top:48px;}
  .footer-grid{grid-template-columns:1fr;gap:26px;padding-bottom:36px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:12px;}
  .prep-item{padding:20px;}
}
@media (max-width:479px){
  .brand-main{font-size:15.5px;}
  .brand-sub{font-size:10.5px;letter-spacing:.08em;}
  .logo-mark{width:34px;height:34px;border-radius:10px;}
  .logo-mark::before{left:9px;top:8px;width:13px;height:13px;}
  .head-stat .num{font-size:26px;}
  .btn{width:100%;}
  .section-head .text-link{width:auto;}
  .card-foot{flex-direction:column;align-items:flex-start;gap:8px;}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important;scroll-behavior:auto !important;}
}

/* roulang page: category2 */
:root{
  --brand-900:#0C2A21;
  --brand-700:#123A2E;
  --brand-500:#1E5A46;
  --accent-500:#FF6A2B;
  --accent-600:#E8511B;
  --lime-400:#C6F24E;
  --bg:#F6F4EE;
  --bg-soft:#EFEDE4;
  --card:#FFFFFF;
  --dark:#0C2A21;
  --text:#16211C;
  --text-2:#5A6862;
  --text-3:#8A948E;
  --white-warm:#F6F4EE;
  --border:#E3DFD5;
  --line:#D8D3C6;
  --success:#2F8F5B;
  --warning:#C98A00;
  --error:#C2452D;
  --r-card:14px;
  --r-lg:16px;
  --r-btn:10px;
  --r-badge:6px;
  --shadow-card:0 1px 2px rgba(12,42,33,.06),0 6px 18px rgba(12,42,33,.06);
  --shadow-hover:0 8px 26px rgba(12,42,33,.12);
  --section:80px;
  --font:-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font);
  font-size:16.5px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none;transition:color .18s ease}
a:hover{color:var(--accent-600)}
button{font-family:inherit;font-size:inherit}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
:focus-visible{outline:2px solid var(--brand-900);outline-offset:2px;border-radius:4px}
.container{max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:var(--section) 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:32px;flex-wrap:wrap}
.section-head h2{font-size:clamp(23px,3vw,34px);line-height:1.28;font-weight:700;letter-spacing:-.01em}
.section-head p{margin-top:10px;font-size:15px;color:var(--text-2);max-width:620px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12.5px;font-weight:700;letter-spacing:.14em;color:var(--accent-600);text-transform:uppercase;margin-bottom:12px}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--accent-500);display:block}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:80;background:var(--bg);border-bottom:1px solid var(--border)}
.brand-row{display:flex;align-items:center;justify-content:space-between;gap:18px;min-height:64px}
.brand{display:flex;align-items:center;gap:12px;min-width:0}
.logo-mark{position:relative;flex:0 0 auto;width:38px;height:38px;border-radius:11px;background:linear-gradient(135deg,var(--brand-700),var(--brand-500));overflow:hidden;box-shadow:inset 0 0 0 1px rgba(198,242,78,.18)}
.logo-mark::before{content:"";position:absolute;inset:9px 8px;background:var(--lime-400);clip-path:polygon(0 32%,42% 32%,42% 0,100% 50%,42% 100%,42% 68%,0 68%);opacity:.92}
.brand-text{display:flex;flex-direction:column;line-height:1.2;min-width:0}
.brand-main{font-weight:800;font-size:17px;letter-spacing:-.02em;color:var(--brand-900)}
.brand-sub{font-size:13px;letter-spacing:.1em;color:var(--text-2);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.brand-actions{display:flex;align-items:center;gap:14px}
.ghost-link{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--brand-700)}
.ghost-link .arrow{transition:transform .18s ease}
.ghost-link:hover{color:var(--accent-600)}
.ghost-link:hover .arrow{transform:translateX(2px)}
.nav-toggle{display:none;align-items:center;justify-content:center;width:42px;height:42px;border-radius:10px;border:1px solid var(--line);background:#fff;cursor:pointer}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--brand-900);position:relative}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--brand-900)}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
.channel-wrap{background:var(--bg-soft);border-top:1px solid var(--border)}
.channel-nav{display:flex;gap:2px;overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none}
.channel-nav::-webkit-scrollbar{display:none}
.channel-link{display:inline-flex;align-items:center;height:48px;padding:0 16px;font-size:14.5px;font-weight:600;color:var(--text-2);white-space:nowrap;border-bottom:2px solid transparent;transition:background .18s ease,color .18s ease,border-color .18s ease}
.channel-link:hover{background:#fff;color:var(--brand-700)}
.channel-link.active{background:#fff;color:var(--brand-700);border-bottom-color:var(--accent-500)}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:44px;padding:0 20px;border-radius:var(--r-btn);border:1px solid transparent;font-size:15px;font-weight:600;cursor:pointer;transition:background .18s ease,border-color .18s ease,color .18s ease,transform .18s ease,box-shadow .18s ease}
.btn-primary{background:var(--accent-500);color:#fff;border-color:var(--accent-500)}
.btn-primary:hover{background:var(--accent-600);border-color:var(--accent-600);color:#fff;transform:translateY(-1px);box-shadow:0 8px 20px rgba(232,81,27,.24)}
.btn-outline{background:#fff;color:var(--brand-700);border-color:var(--line)}
.btn-outline:hover{border-color:var(--brand-700);color:var(--brand-700);transform:translateY(-1px)}
.btn-light{background:var(--white-warm);color:var(--brand-900);border-color:var(--white-warm)}
.btn-light:hover{background:#fff;color:var(--brand-900);transform:translateY(-1px)}
.btn-block{width:100%}
.btn:active{transform:translateY(0)}
.btn[disabled]{opacity:.45;cursor:not-allowed;transform:none}
.text-link{display:inline-flex;align-items:center;gap:6px;font-size:14.5px;font-weight:600;color:var(--brand-700)}
.text-link .arrow{transition:transform .18s ease}
.text-link:hover{color:var(--accent-600)}
.text-link:hover .arrow{transform:translateX(2px)}

/* ---------- badges / chips ---------- */
.badge{display:inline-flex;align-items:center;gap:6px;padding:3px 9px;border-radius:var(--r-badge);font-size:12px;font-weight:600;background:rgba(18,58,46,.08);color:var(--brand-700);line-height:1.6}
.badge-accent{background:rgba(255,106,43,.12);color:var(--accent-600)}
.badge-lime{background:transparent;border:1px solid var(--lime-400);color:var(--brand-700)}
.badge-soft{background:var(--bg-soft);color:var(--text-2)}

/* ---------- breadcrumb ---------- */
.breadcrumb{padding:18px 0 0;font-size:13px;color:var(--text-2)}
.breadcrumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px}
.breadcrumb li:not(:last-child)::after{content:"/";margin-left:8px;color:var(--text-3)}
.breadcrumb a:hover{color:var(--accent-600)}
.breadcrumb .current{color:var(--brand-700);font-weight:600}

/* ---------- page head ---------- */
.page-head{position:relative;overflow:hidden;padding:26px 0 44px;border-bottom:1px solid var(--border);background:linear-gradient(180deg,#FFFFFF 0%,var(--bg) 100%)}
.page-head::after{content:"";position:absolute;right:-120px;top:-80px;width:420px;height:320px;background:var(--brand-900);opacity:.06;transform:skewX(-14deg);border-radius:24px;pointer-events:none}
.page-head .inner{position:relative;z-index:2;max-width:820px}
.page-head h1{font-size:clamp(28px,3.8vw,43px);line-height:1.22;font-weight:800;letter-spacing:-.01em;color:var(--brand-900)}
.page-head .lede{margin-top:14px;font-size:16.5px;color:var(--text-2);line-height:1.85}
.page-head .tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:20px}

/* ---------- split layout ---------- */
.split{display:grid;grid-template-columns:3fr 9fr;gap:32px;align-items:start}
.filter-card{background:var(--card);border:1px solid var(--border);border-radius:var(--r-card);padding:22px;box-shadow:var(--shadow-card);margin-bottom:20px}
.filter-card h3{font-size:16px;font-weight:700;margin-bottom:14px;color:var(--brand-900)}
.chip-group{display:flex;flex-wrap:wrap;gap:8px}
.chip{display:inline-flex;align-items:center;gap:6px;padding:7px 13px;border-radius:999px;border:1px solid var(--line);background:#fff;font-size:13.5px;font-weight:600;color:var(--text-2);cursor:pointer;transition:all .18s ease}
.chip:hover{border-color:var(--brand-700);color:var(--brand-700)}
.chip.active{background:#fff;color:var(--brand-700);border-color:var(--border);box-shadow:inset 0 -2px 0 var(--accent-500)}
.check-list li{position:relative;padding-left:22px;font-size:14px;color:var(--text-2);line-height:1.75;margin-bottom:10px}
.check-list li::before{content:"";position:absolute;left:2px;top:9px;width:8px;height:8px;border-radius:2px;background:var(--accent-500)}
.check-list li:last-child{margin-bottom:0}
.filter-card.dark{background:var(--brand-900);border-color:var(--brand-900);color:var(--white-warm)}
.filter-card.dark h3{color:var(--white-warm)}
.filter-card.dark p{font-size:13.5px;color:rgba(246,244,238,.78);line-height:1.75;margin-bottom:16px}

/* ---------- list panel ---------- */
.list-panel{min-width:0}
.list-bar{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;padding:14px 20px;background:var(--bg-soft);border:1px solid var(--border);border-radius:var(--r-card) var(--r-card) 0 0;font-size:13.5px;color:var(--text-2)}
.list-bar strong{color:var(--brand-900);font-weight:700}
.sort-links{display:flex;gap:14px}
.sort-links a{font-size:13.5px;font-weight:600;color:var(--text-2)}
.sort-links a.on{color:var(--brand-700);text-decoration:underline;text-underline-offset:4px;text-decoration-color:var(--accent-500)}
.stack-list{background:var(--card);border:1px solid var(--border);border-top:0;border-radius:0 0 var(--r-card) var(--r-card);overflow:hidden}
.stack-item{display:flex;gap:20px;padding:22px 20px;border-bottom:1px solid var(--border);transition:background .18s ease}
.stack-item:last-child{border-bottom:0}
.stack-item:hover{background:#FBF9F4}
.stack-thumb{flex:0 0 170px;width:170px;aspect-ratio:4/3;border-radius:10px;overflow:hidden;background:var(--brand-700);position:relative}
.stack-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease}
.stack-item:hover .stack-thumb img{transform:scale(1.03)}
.stack-body{min-width:0;flex:1}
.stack-top{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:8px}
.stack-body h3{font-size:18px;line-height:1.45;font-weight:700;color:var(--brand-900);margin-bottom:8px}
.stack-body h3 a:hover{color:var(--accent-600)}
.stack-body p{font-size:14.5px;color:var(--text-2);line-height:1.78;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.stack-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:12px;font-size:13px;color:var(--text-3)}
.stack-meta .dot{width:3px;height:3px;border-radius:50%;background:var(--text-3)}
.stack-meta a{font-weight:600;color:var(--brand-700)}
.pager{display:flex;align-items:center;justify-content:center;gap:8px;margin-top:28px;flex-wrap:wrap}
.pager a,.pager span{display:inline-flex;align-items:center;justify-content:center;min-width:40px;height:40px;padding:0 14px;border-radius:var(--r-btn);border:1px solid var(--line);background:#fff;font-size:14px;font-weight:600;color:var(--text-2)}
.pager a:hover{border-color:var(--brand-700);color:var(--brand-700)}
.pager .on{background:var(--brand-900);border-color:var(--brand-900);color:var(--white-warm)}
.pager .disabled{opacity:.45;cursor:not-allowed}

/* ---------- stat strip ---------- */
.stat-strip{background:var(--dark);color:var(--white-warm);padding:56px 0}
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.stat-num{font-size:40px;font-weight:800;line-height:1.1;font-variant-numeric:tabular-nums;color:var(--lime-400);letter-spacing:-.02em}
.stat-label{margin-top:8px;font-size:12.5px;letter-spacing:.06em;color:rgba(246,244,238,.72)}
.stat-strip .strip-note{margin-top:28px;font-size:14px;color:rgba(246,244,238,.66);max-width:760px}

/* ---------- faq ---------- */
.faq-list{border-top:1px solid var(--line);margin-top:8px}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{width:100%;display:block;text-align:left;padding:20px 46px 20px 0;background:none;border:0;font-size:16px;font-weight:600;line-height:1.6;color:var(--text);cursor:pointer;position:relative}
.faq-q:hover{color:var(--brand-700)}
.faq-q::after{content:"";position:absolute;right:8px;top:50%;width:12px;height:12px;margin-top:-6px;border-right:2px solid var(--brand-700);border-bottom:2px solid var(--brand-700);transform:rotate(45deg);transition:transform .24s ease}
.faq-item.open .faq-q::after{transform:rotate(-135deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .24s ease}
.faq-a p{padding:0 40px 20px 0;font-size:15px;line-height:1.85;color:var(--text-2)}

/* ---------- cta band ---------- */
.cta-band{background:var(--brand-900);color:var(--white-warm);padding:48px 0;position:relative;overflow:hidden}
.cta-band::after{content:"";position:absolute;right:-80px;bottom:-100px;width:320px;height:320px;background:rgba(198,242,78,.08);border-radius:50%}
.cta-inner{position:relative;z-index:2;display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap}
.cta-inner h2{font-size:clamp(21px,2.6vw,28px);font-weight:700;line-height:1.35;letter-spacing:-.01em}
.cta-inner p{margin-top:10px;font-size:14.5px;color:rgba(246,244,238,.75);max-width:640px}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}

/* ---------- form ---------- */
.form-grid{display:grid;grid-template-columns:5fr 7fr;gap:40px;align-items:start}
.form-side h2{font-size:clamp(23px,3vw,32px);font-weight:700;line-height:1.32;letter-spacing:-.01em;color:var(--brand-900)}
.form-side p{margin-top:14px;font-size:15px;color:var(--text-2);line-height:1.85}
.form-side .side-list{margin-top:22px}
.form-side .side-list li{position:relative;padding-left:20px;font-size:14.5px;color:var(--text-2);margin-bottom:10px;line-height:1.75}
.form-side .side-list li::before{content:"";position:absolute;left:0;top:10px;width:8px;height:2px;background:var(--accent-500)}
.form-card{background:var(--card);border:1px solid var(--border);border-radius:var(--r-card);padding:28px;box-shadow:var(--shadow-card)}
.field{margin-bottom:18px}
.field label{display:block;font-size:13px;font-weight:600;color:var(--text-2);margin-bottom:8px}
.input,.textarea{width:100%;height:46px;padding:0 14px;border:1px solid var(--line);border-radius:var(--r-btn);background:#fff;color:var(--text);font-size:15px;font-family:inherit;transition:border-color .18s ease,box-shadow .18s ease}
.textarea{height:auto;min-height:112px;padding:12px 14px;line-height:1.75;resize:vertical}
.input:focus,.textarea:focus{outline:none;border-color:var(--brand-700);box-shadow:0 0 0 3px rgba(18,58,46,.12)}
.input::placeholder,.textarea::placeholder{color:var(--text-3)}
.seg{display:flex;flex-wrap:wrap;gap:8px}
.seg input{position:absolute;opacity:0;width:1px;height:1px}
.seg label{margin:0;cursor:pointer;display:inline-flex;align-items:center;padding:8px 14px;border:1px solid var(--line);border-radius:999px;font-size:13.5px;font-weight:600;color:var(--text-2);background:#fff;transition:all .18s ease}
.seg input:checked + label{background:var(--brand-900);border-color:var(--brand-900);color:var(--white-warm)}
.seg input:focus-visible + label{outline:2px solid var(--brand-900);outline-offset:2px}
.consent{display:flex;gap:10px;align-items:flex-start;margin:14px 0 18px;font-size:12.5px;color:var(--text-3);line-height:1.7}
.consent input{margin-top:4px;width:16px;height:16px;accent-color:var(--brand-700)}
.form-note{margin-top:14px;padding-top:14px;border-top:1px solid var(--border);font-size:12.5px;color:var(--text-3);line-height:1.7}
.form-alert{display:none;margin-top:14px;padding:12px 14px;border-radius:var(--r-btn);background:rgba(47,143,91,.1);color:var(--success);font-size:14px;font-weight:600}
.form-alert.show{display:block}

/* ---------- footer ---------- */
.site-footer{background:var(--brand-900);color:var(--white-warm);padding:56px 0 0;margin-top:0}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:36px;padding-bottom:40px}
.footer-brand .brand{margin-bottom:16px}
.footer-brand .brand-main{color:var(--white-warm)}
.footer-brand .brand-sub{color:rgba(246,244,238,.6)}
.footer-brand p{font-size:14px;line-height:1.8;color:rgba(246,244,238,.72);max-width:340px}
.footer-col h4{font-size:14px;font-weight:700;letter-spacing:.06em;margin-bottom:14px;color:var(--white-warm)}
.footer-col ul li{margin-bottom:10px}
.footer-col ul li a{font-size:14px;color:rgba(246,244,238,.72)}
.footer-col ul li a:hover{color:var(--accent-500)}
.footer-contact li{font-size:14px;color:rgba(246,244,238,.72);margin-bottom:10px;line-height:1.7}
.footer-bottom{border-top:1px solid rgba(246,244,238,.14);padding:18px 0 22px;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:rgba(246,244,238,.6)}
.footer-bottom .links{display:flex;gap:18px;flex-wrap:wrap}
.footer-bottom .links a{color:rgba(246,244,238,.6)}
.footer-bottom .links a:hover{color:var(--accent-500)}

/* ---------- drawer ---------- */
.drawer{position:fixed;inset:0;z-index:120;display:none}
.drawer.open{display:block}
.drawer-backdrop{position:absolute;inset:0;background:rgba(12,42,33,.55)}
.drawer-panel{position:absolute;right:0;top:0;bottom:0;width:min(360px,92vw);background:var(--bg);padding:20px;display:flex;flex-direction:column;overflow-y:auto;box-shadow:-10px 0 40px rgba(12,42,33,.2)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}
.drawer-title{font-size:15px;font-weight:700;letter-spacing:.1em;color:var(--brand-900)}
.drawer-close{width:40px;height:40px;border-radius:10px;border:1px solid var(--line);background:#fff;font-size:20px;line-height:1;cursor:pointer;color:var(--brand-900)}
.drawer-group{margin-bottom:24px}
.drawer-group h4{font-size:12.5px;letter-spacing:.12em;color:var(--text-3);margin-bottom:10px;text-transform:uppercase}
.drawer-group a{display:block;padding:11px 12px;border-radius:10px;font-size:15px;font-weight:600;color:var(--brand-900);background:#fff;border:1px solid var(--border);margin-bottom:8px}
.drawer-group a.active{background:var(--brand-900);color:var(--white-warm);border-color:var(--brand-900)}
.drawer-foot{margin-top:auto;padding-top:18px;border-top:1px solid var(--border);font-size:13px;color:var(--text-2);line-height:1.8}
body.lock{overflow:hidden}

/* ---------- responsive ---------- */
@media (max-width:1279px){
  .split{grid-template-columns:3fr 9fr;gap:26px}
}
@media (max-width:1023px){
  :root{--section:64px}
  .split{grid-template-columns:1fr;gap:0}
  .filter-panel{margin-bottom:24px}
  .filter-extra{display:none}
  .chip-group{flex-wrap:nowrap;overflow-x:auto;scrollbar-width:none;padding-bottom:4px}
  .chip-group::-webkit-scrollbar{display:none}
  .chip{white-space:nowrap}
  .form-grid{grid-template-columns:1fr;gap:28px}
  .stat-grid{grid-template-columns:repeat(2,1fr);gap:28px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
}
@media (max-width:900px){
  .channel-wrap{display:none}
  .nav-toggle{display:inline-flex}
  .brand-actions .ghost-link{display:none}
  .brand-sub{font-size:12px;letter-spacing:.06em}
}
@media (max-width:767px){
  :root{--section:48px}
  .container{padding:0 18px}
  body{font-size:16px}
  .brand-row{min-height:56px}
  .brand-main{font-size:16px}
  .brand-actions .btn{height:38px;padding:0 14px;font-size:14px}
  .page-head{padding:20px 0 34px}
  .page-head .lede{font-size:15.5px}
  .stack-item{flex-direction:row;gap:14px;padding:18px 16px}
  .stack-thumb{flex:0 0 112px;width:112px;aspect-ratio:1/1;border-radius:8px}
  .stack-body h3{font-size:16px}
  .stack-body p{-webkit-line-clamp:2;font-size:13.5px}
  .stack-meta{font-size:12px;gap:8px}
  .list-bar{border-radius:var(--r-card) var(--r-card) 0 0;font-size:12.5px;padding:12px 16px}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .cta-inner{flex-direction:column;align-items:flex-start}
  .cta-actions{width:100%}
  .cta-actions .btn{width:100%}
  .btn{width:100%}
  .brand-actions .btn{width:auto}
  .form-card{padding:22px}
  .stat-num{font-size:32px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (max-width:519px){
  .stack-item{flex-direction:column}
  .stack-thumb{width:100%;flex:0 0 auto;aspect-ratio:16/9}
  .stat-grid{grid-template-columns:1fr 1fr;gap:22px}
  .pager a,.pager span{min-width:36px;height:36px;padding:0 10px;font-size:13px}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;scroll-behavior:auto !important}
}

/* roulang page: category3 */
:root{
  --brand-900:#0C2A21;
  --brand-700:#123A2E;
  --brand-500:#1E5A46;
  --accent-500:#FF6A2B;
  --accent-600:#E8511B;
  --lime-400:#C6F24E;
  --bg:#F6F4EE;
  --card:#FFFFFF;
  --panel:#EFEDE4;
  --dark:#0C2A21;
  --text:#16211C;
  --text-2:#5A6862;
  --text-3:#8A948E;
  --line:#E3DFD5;
  --line-2:#D8D3C6;
  --ok:#2F8F5B;
  --warn:#C98A00;
  --err:#C2452D;
  --r-card:14px;
  --r-lg:16px;
  --r-btn:10px;
  --shadow-card:0 1px 2px rgba(12,42,33,.06),0 6px 18px rgba(12,42,33,.06);
  --shadow-hover:0 8px 26px rgba(12,42,33,.12);
  --sp-section:80px;
  --ease:180ms ease;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
body.no-scroll{overflow:hidden;}
img{display:block;max-width:100%;height:auto;}
a{color:inherit;text-decoration:none;text-underline-offset:3px;transition:color var(--ease);}
a:hover{color:var(--accent-600);}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p,figure{margin:0;}
h1{font-size:clamp(30px,4.4vw,50px);line-height:1.2;letter-spacing:-0.01em;font-weight:800;}
h2{font-size:clamp(23px,3vw,34px);line-height:1.28;font-weight:700;letter-spacing:-0.01em;}
h3{font-size:21px;line-height:1.45;font-weight:700;}
h4{font-size:17px;line-height:1.5;font-weight:600;}
:focus-visible{outline:2px solid var(--brand-900);outline-offset:2px;border-radius:4px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.section{padding:var(--sp-section) 0;}
.section-tight{padding:56px 0;}
.section-head{max-width:760px;}
.section-head h2{position:relative;padding-left:18px;}
.section-head h2::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;
  background:var(--accent-500);border-radius:3px;
}
.section-head p{margin-top:14px;color:var(--text-2);font-size:16px;line-height:1.85;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;
  color:var(--brand-500);
}
.eyebrow::before{content:"";width:18px;height:2px;background:var(--accent-500);border-radius:2px;}

/* ---------- Header ---------- */
.site-header{position:sticky;top:0;z-index:80;background:#fff;box-shadow:0 1px 0 var(--line);}
.brand-bar-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;height:64px;}
.brand{display:inline-flex;align-items:center;gap:11px;min-width:0;}
.logo-mark{
  position:relative;flex:none;width:38px;height:38px;border-radius:11px;
  background:linear-gradient(135deg,var(--brand-700),var(--brand-500));
  box-shadow:inset 0 0 0 1px rgba(255,255,255,.10),0 4px 12px rgba(12,42,33,.22);
}
.logo-mark::after{
  content:"";position:absolute;left:11px;top:50%;transform:translateY(-50%);
  width:17px;height:17px;background:var(--lime-400);
  clip-path:polygon(0 0,100% 50%,0 100%,32% 50%);
}
.brand-text{display:flex;flex-direction:column;min-width:0;}
.brand-main{
  display:block;font-size:17px;font-weight:800;letter-spacing:-0.02em;
  line-height:1.15;color:var(--brand-900);white-space:nowrap;
}
.brand-sub{
  display:block;font-size:13px;letter-spacing:.08em;line-height:1.3;
  color:var(--text-2);white-space:nowrap;
}
.brand-actions{display:flex;align-items:center;gap:14px;}
.ghost-link{
  font-size:14.5px;font-weight:600;color:var(--brand-700);
  padding:6px 2px;border-bottom:1px solid transparent;
}
.ghost-link:hover{border-bottom-color:var(--accent-500);color:var(--accent-600);}
.nav-toggle{
  display:none;align-items:center;justify-content:center;
  width:42px;height:42px;border-radius:10px;border:1px solid var(--line-2);background:#fff;
  transition:border-color var(--ease),background var(--ease);
}
.nav-toggle:hover{border-color:var(--brand-700);background:var(--panel);}
.nav-toggle span{position:relative;display:block;width:18px;height:2px;background:var(--brand-900);border-radius:2px;}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--brand-900);border-radius:2px;
}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 20px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;line-height:1;white-space:nowrap;
  transition:transform var(--ease),background-color var(--ease),border-color var(--ease),box-shadow var(--ease),color var(--ease);
}
.btn-primary{background:var(--accent-500);color:#fff;box-shadow:0 6px 16px rgba(255,106,43,.26);}
.btn-primary:hover{background:var(--accent-600);color:#fff;transform:translateY(-1px);box-shadow:0 10px 22px rgba(232,81,27,.30);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{background:#fff;color:var(--brand-700);border:1px solid var(--line-2);}
.btn-ghost:hover{border-color:var(--brand-700);color:var(--brand-700);transform:translateY(-1px);box-shadow:var(--shadow-card);}
.btn-sm{height:38px;padding:0 15px;font-size:14px;}
.btn[disabled],.btn.is-disabled{opacity:.45;cursor:not-allowed;transform:none;box-shadow:none;}

/* ---------- Channel nav ---------- */
.channel-nav{background:var(--panel);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.channel-nav .container{
  display:flex;align-items:stretch;gap:4px;height:48px;
  overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none;
}
.channel-nav .container::-webkit-scrollbar{display:none;}
.channel-link{
  display:inline-flex;align-items:center;padding:0 15px;white-space:nowrap;
  font-size:14.5px;font-weight:600;color:var(--text-2);
  border-bottom:2px solid transparent;transition:background var(--ease),color var(--ease),border-color var(--ease);
}
.channel-link:hover{background:#fff;color:var(--brand-700);}
.channel-link.active{background:#fff;color:var(--brand-700);border-bottom-color:var(--accent-500);}

/* ---------- Drawer ---------- */
.drawer{
  position:fixed;inset:0;z-index:120;display:flex;justify-content:flex-end;
  background:rgba(12,42,33,.55);opacity:0;visibility:hidden;
  transition:opacity var(--ease),visibility var(--ease);
}
.drawer.open{opacity:1;visibility:visible;}
.drawer-panel{
  width:min(340px,86vw);height:100%;background:#fff;display:flex;flex-direction:column;
  transform:translateX(100%);transition:transform 240ms ease;
  box-shadow:-12px 0 40px rgba(12,42,33,.18);
}
.drawer.open .drawer-panel{transform:translateX(0);}
.drawer-head{
  display:flex;align-items:center;justify-content:space-between;
  padding:16px 20px;border-bottom:1px solid var(--line);
}
.drawer-head strong{font-size:15px;color:var(--brand-900);letter-spacing:.02em;}
.drawer-close{
  width:40px;height:40px;display:inline-flex;align-items:center;justify-content:center;
  border-radius:10px;border:1px solid var(--line-2);font-size:18px;line-height:1;color:var(--brand-700);
}
.drawer-close:hover{background:var(--panel);border-color:var(--brand-700);}
.drawer-body{flex:1;overflow-y:auto;padding:18px 20px 24px;}
.drawer-group + .drawer-group{margin-top:24px;}
.drawer-group h4{font-size:12.5px;letter-spacing:.14em;color:var(--text-3);font-weight:700;margin-bottom:10px;}
.drawer-group a{
  display:block;padding:11px 12px;border-radius:10px;font-size:15px;font-weight:600;
  color:var(--brand-900);transition:background var(--ease),color var(--ease);
}
.drawer-group a:hover{background:var(--panel);color:var(--accent-600);}
.drawer-group a[aria-current="page"]{background:var(--panel);color:var(--brand-700);box-shadow:inset 3px 0 0 var(--accent-500);}
.drawer-foot{padding:16px 20px 24px;border-top:1px solid var(--line);font-size:13px;color:var(--text-2);line-height:1.7;}
.drawer-foot .btn{width:100%;margin-bottom:12px;}

/* ---------- Breadcrumb ---------- */
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--text-2);}
.breadcrumb a:hover{color:var(--accent-600);}
.breadcrumb .sep{color:var(--text-3);}
.breadcrumb .current{color:var(--brand-700);font-weight:600;}

/* ---------- Page head ---------- */
.page-head{
  position:relative;overflow:hidden;
  background:linear-gradient(180deg,#FFFFFF 0%,var(--bg) 100%);
  border-bottom:1px solid var(--line);
  padding:34px 0 46px;
}
.page-head::after{
  content:"";position:absolute;top:-70px;right:-90px;width:340px;height:340px;
  background:var(--brand-900);opacity:.05;
  clip-path:polygon(38% 0,100% 0,100% 62%,0 100%);
  pointer-events:none;
}
.page-head-grid{
  position:relative;z-index:1;
  display:grid;grid-template-columns:minmax(0,1.55fr) minmax(0,1fr);
  gap:32px;align-items:end;margin-top:22px;
}
.tag{
  display:inline-flex;align-items:center;gap:7px;
  height:28px;padding:0 11px;border-radius:6px;
  background:rgba(255,106,43,.12);color:var(--accent-600);
  font-size:12.5px;font-weight:700;letter-spacing:.06em;
}
.page-head h1{margin-top:16px;max-width:16em;}
.page-head .lead{margin-top:16px;font-size:16.5px;line-height:1.85;color:var(--text-2);max-width:44em;}
.head-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px;}
.mini-panel{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:20px 22px;box-shadow:var(--shadow-card);
}
.mini-panel h4{font-size:13px;letter-spacing:.1em;color:var(--text-3);font-weight:700;margin-bottom:14px;}
.mini-row{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:9px 0;border-bottom:1px dashed var(--line);}
.mini-row:last-child{border-bottom:0;}
.mini-row span{font-size:14px;color:var(--text-2);}
.mini-row strong{font-size:15px;font-weight:700;color:var(--brand-900);font-variant-numeric:tabular-nums;}
.mini-row strong.accent{color:var(--accent-600);}
.chip-bar{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px;}
.chip{
  display:inline-flex;align-items:center;height:34px;padding:0 14px;border-radius:999px;
  background:#fff;border:1px solid var(--line-2);font-size:13.5px;font-weight:600;color:var(--text-2);
  transition:border-color var(--ease),color var(--ease),background var(--ease),box-shadow var(--ease);
}
.chip:hover{border-color:var(--brand-700);color:var(--brand-700);box-shadow:var(--shadow-card);}
.chip.on{background:var(--brand-700);border-color:var(--brand-700);color:#fff;}

/* ---------- Timeline ---------- */
.timeline{position:relative;margin-top:36px;display:grid;gap:20px;}
.timeline::before{
  content:"";position:absolute;left:19px;top:14px;bottom:14px;width:2px;
  background:linear-gradient(180deg,var(--accent-500) 0%,var(--line-2) 100%);
  opacity:.6;
}
.step{position:relative;display:grid;grid-template-columns:40px minmax(0,1fr);gap:20px;align-items:start;}
.step-node{
  position:relative;z-index:1;
  width:40px;height:40px;border-radius:999px;background:#fff;
  border:2px solid var(--accent-500);
  display:flex;align-items:center;justify-content:center;
  font-size:12.5px;font-weight:800;color:var(--brand-900);
  font-variant-numeric:tabular-nums;letter-spacing:.02em;
  box-shadow:var(--shadow-card);
}
.step-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:22px 24px;box-shadow:var(--shadow-card);
  transition:transform var(--ease),border-color var(--ease),box-shadow var(--ease);
}
.step-card:hover{transform:translateY(-2px);border-color:var(--brand-700);box-shadow:var(--shadow-hover);}
.step-card h3{margin-bottom:10px;}
.step-card p{color:var(--text-2);font-size:15.5px;line-height:1.85;}
.step-card .hint{
  display:inline-flex;align-items:center;gap:8px;margin-top:14px;
  font-size:13px;font-weight:600;color:var(--brand-500);
  background:var(--panel);border-radius:6px;padding:5px 10px;
}
.step-media{margin-top:16px;border-radius:12px;overflow:hidden;border:1px solid var(--line);}
.step-media img{width:100%;aspect-ratio:16/9;object-fit:cover;}

/* ---------- Stat band ---------- */
.stat-band{background:var(--dark);color:var(--bg);padding:52px 0;}
.stat-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px;}
.stat-item{border-left:1px solid rgba(246,244,238,.16);padding-left:20px;}
.stat-item:first-child{border-left:0;padding-left:0;}
.stat-num{
  display:block;font-size:40px;line-height:1.1;font-weight:800;color:var(--lime-400);
  font-variant-numeric:tabular-nums;letter-spacing:-0.02em;
}
.stat-label{display:block;margin-top:8px;font-size:12.5px;letter-spacing:.06em;color:rgba(246,244,238,.72);}

/* ---------- Scene cards ---------- */
.scene-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;margin-top:36px;}
.scene-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--shadow-card);
  transition:transform var(--ease),border-color var(--ease),box-shadow var(--ease);
}
.scene-card:hover{transform:translateY(-2px);border-color:var(--brand-700);box-shadow:var(--shadow-hover);}
.scene-card.main{grid-column:span 2;display:grid;grid-template-columns:1.05fr 1fr;}
.scene-media{overflow:hidden;background:var(--brand-700);}
.scene-media img{width:100%;height:100%;object-fit:cover;aspect-ratio:16/10;}
.scene-card.main .scene-media img{aspect-ratio:auto;min-height:100%;}
.scene-card:not(.main) .scene-media img{aspect-ratio:16/9;}
.scene-body{padding:24px 26px;}
.scene-card.main .scene-body{padding:30px 32px;display:flex;flex-direction:column;justify-content:center;}
.badge{
  display:inline-flex;align-items:center;height:26px;padding:0 10px;border-radius:6px;
  background:#fff;border:1px solid var(--line-2);color:var(--brand-700);
  font-size:12px;font-weight:700;letter-spacing:.04em;
}
.scene-body h3{margin-top:12px;}
.scene-card.main .scene-body h3{font-size:24px;line-height:1.4;}
.scene-body p{margin-top:10px;font-size:15px;line-height:1.85;color:var(--text-2);}
.dot-list{margin-top:16px;display:grid;gap:8px;}
.dot-list li{position:relative;padding-left:18px;font-size:14.5px;color:var(--text-2);line-height:1.75;}
.dot-list li::before{
  content:"";position:absolute;left:0;top:.68em;width:7px;height:7px;border-radius:2px;
  background:var(--accent-500);
}
.text-link{
  display:inline-flex;align-items:center;gap:6px;margin-top:18px;
  font-size:14.5px;font-weight:700;color:var(--brand-700);
}
.text-link span{transition:transform var(--ease);}
.text-link:hover{color:var(--accent-600);}
.text-link:hover span{transform:translateX(3px);}

/* ---------- Field cards ---------- */
.field-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;margin-top:36px;}
.field-card{
  display:grid;grid-template-columns:64px minmax(0,1fr);gap:18px;align-items:start;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:20px 22px;box-shadow:var(--shadow-card);
  transition:transform var(--ease),border-color var(--ease),box-shadow var(--ease);
}
.field-card:hover{transform:translateY(-2px);border-color:var(--brand-700);box-shadow:var(--shadow-hover);}
.field-key{
  display:flex;align-items:center;justify-content:center;
  height:44px;border-radius:10px;
  border:2px solid var(--lime-400);background:rgba(198,242,78,.14);
  font-size:13.5px;font-weight:800;color:var(--brand-900);letter-spacing:.04em;
}
.field-card h4{margin-bottom:6px;}
.field-card p{font-size:14.5px;line-height:1.8;color:var(--text-2);}

/* ---------- FAQ ---------- */
.faq-list{margin-top:32px;border-top:1px solid var(--line-2);}
.faq-item{border-bottom:1px solid var(--line-2);}
.faq-q{
  display:flex;align-items:center;justify-content:space-between;gap:18px;width:100%;
  padding:20px 2px;text-align:left;font-size:16px;font-weight:600;color:var(--text);
  transition:color var(--ease);
}
.faq-q:hover{color:var(--brand-700);}
.faq-icon{
  position:relative;flex:none;width:20px;height:20px;border-radius:50%;
  border:1px solid var(--line-2);transition:transform 240ms ease,border-color var(--ease),background var(--ease);
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;top:50%;left:50%;background:var(--brand-700);border-radius:2px;
  transform:translate(-50%,-50%);transition:background var(--ease);
}
.faq-icon::before{width:9px;height:1.5px;}
.faq-icon::after{width:1.5px;height:9px;}
.faq-item.open .faq-icon{transform:rotate(45deg);border-color:var(--accent-500);background:rgba(255,106,43,.10);}
.faq-item.open .faq-icon::before,.faq-item.open .faq-icon::after{background:var(--accent-600);}
.faq-a{display:grid;grid-template-rows:0fr;transition:grid-template-rows 240ms ease;}
.faq-item.open .faq-a{grid-template-rows:1fr;}
.faq-a > div{overflow:hidden;}
.faq-a p{padding:0 2px 22px;font-size:15px;line-height:1.85;color:var(--text-2);max-width:62em;}

/* ---------- CTA band ---------- */
.cta-band{
  background:var(--brand-900);color:var(--bg);position:relative;overflow:hidden;
  border-radius:var(--r-lg);padding:48px 44px;
}
.cta-band::after{
  content:"";position:absolute;right:-60px;bottom:-80px;width:280px;height:280px;
  background:var(--accent-500);opacity:.14;border-radius:50%;
}
.cta-inner{position:relative;z-index:1;display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;}
.cta-band h2{color:#fff;max-width:18em;}
.cta-band p{margin-top:12px;color:rgba(246,244,238,.78);font-size:15.5px;max-width:40em;line-height:1.85;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;}
.cta-actions .btn-ghost{background:transparent;color:#fff;border-color:rgba(246,244,238,.42);}
.cta-actions .btn-ghost:hover{border-color:#fff;background:rgba(246,244,238,.10);color:#fff;}

/* ---------- Footer ---------- */
.site-footer{background:var(--dark);color:rgba(246,244,238,.78);padding:60px 0 26px;margin-top:var(--sp-section);}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1.1fr;gap:36px;}
.site-footer .brand-main{color:#fff;}
.site-footer .brand-sub{color:rgba(246,244,238,.62);}
.footer-brand p{margin-top:16px;font-size:14.5px;line-height:1.85;color:rgba(246,244,238,.68);max-width:30em;}
.footer-col h4{font-size:13px;letter-spacing:.12em;color:rgba(246,244,238,.5);margin-bottom:14px;font-weight:700;}
.footer-col li{margin-bottom:10px;}
.footer-col a{font-size:14.5px;color:rgba(246,244,238,.82);}
.footer-col a:hover{color:var(--lime-400);}
.footer-contact li{font-size:14px;line-height:1.8;color:rgba(246,244,238,.68);}
.footer-bottom{
  margin-top:40px;padding-top:20px;border-top:1px solid rgba(246,244,238,.14);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:14px;
  font-size:13px;color:rgba(246,244,238,.55);
}
.footer-bottom .links{display:flex;flex-wrap:wrap;gap:18px;}
.footer-bottom .links a{color:rgba(246,244,238,.7);}
.footer-bottom .links a:hover{color:var(--lime-400);}

/* ---------- Responsive ---------- */
@media (max-width:1279px){
  .stat-num{font-size:36px;}
}
@media (max-width:1023px){
  :root{--sp-section:64px;}
  .page-head-grid{grid-template-columns:minmax(0,1fr);align-items:start;gap:24px;}
  .mini-panel{max-width:520px;}
  .scene-card.main{grid-column:span 2;grid-template-columns:1fr;}
  .scene-card.main .scene-media img{aspect-ratio:16/9;min-height:0;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px;}
  .footer-brand{grid-column:span 2;}
}
@media (max-width:767px){
  :root{--sp-section:48px;}
  .container{padding:0 18px;}
  .brand-bar-inner{height:56px;}
  .brand-main{font-size:15.5px;}
  .brand-sub{font-size:11.5px;letter-spacing:.05em;}
  .logo-mark{width:34px;height:34px;border-radius:10px;}
  .logo-mark::after{left:10px;width:15px;height:15px;}
  .ghost-link{display:none;}
  .nav-toggle{display:inline-flex;}
  .brand-actions{gap:10px;}
  .brand-actions .btn{height:38px;padding:0 14px;font-size:13.5px;}
  .channel-nav .container{height:44px;padding:0 14px;}
  .channel-link{font-size:13.5px;padding:0 12px;}
  .page-head{padding:24px 0 34px;}
  .page-head .lead{font-size:15.5px;}
  .head-actions .btn{width:100%;}
  h3{font-size:19px;}
  .step{grid-template-columns:32px minmax(0,1fr);gap:14px;}
  .step-node{width:32px;height:32px;font-size:11.5px;border-width:2px;}
  .timeline::before{left:15px;}
  .step-card{padding:18px 18px;}
  .step-card p{font-size:15px;}
  .stat-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:22px;}
  .stat-item{padding-left:16px;}
  .stat-item:nth-child(odd){border-left:0;padding-left:0;}
  .stat-num{font-size:32px;}
  .scene-grid{grid-template-columns:minmax(0,1fr);gap:18px;}
  .scene-card.main{grid-column:span 1;}
  .scene-card.main .scene-body{padding:22px 20px;}
  .scene-card.main .scene-body h3{font-size:20px;}
  .scene-body{padding:20px 20px;}
  .field-grid{grid-template-columns:minmax(0,1fr);gap:16px;}
  .field-card{grid-template-columns:56px minmax(0,1fr);gap:14px;padding:18px 18px;}
  .faq-q{font-size:15.5px;padding:18px 2px;}
  .cta-band{padding:32px 22px;border-radius:var(--r-card);}
  .cta-actions{width:100%;}
  .cta-actions .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:26px;}
  .site-footer{padding:44px 0 22px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:10px;}
}
@media (max-width:519px){
  h1{font-size:26px;}
  .page-head h1{max-width:100%;}
  .footer-grid{grid-template-columns:minmax(0,1fr);}
  .footer-brand{grid-column:span 1;}
  .chip{height:32px;font-size:13px;padding:0 12px;}
  .mini-panel{padding:16px 18px;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;scroll-behavior:auto !important;}
}

/* roulang page: category4 */
:root{
  --brand-900:#0C2A21;
  --brand-700:#123A2E;
  --brand-500:#1E5A46;
  --accent-500:#FF6A2B;
  --accent-600:#E8511B;
  --lime-400:#C6F24E;
  --bg:#F6F4EE;
  --card:#FFFFFF;
  --bg-soft:#EFEDE4;
  --text:#16211C;
  --text-2:#5A6862;
  --text-3:#8A948E;
  --line:#E3DFD5;
  --line-2:#D8D3C6;
  --success:#2F8F5B;
  --warning:#C98A00;
  --error:#C2452D;
  --radius-card:14px;
  --radius-lg:16px;
  --radius-btn:10px;
  --radius-badge:6px;
  --shadow-card:0 1px 2px rgba(12,42,33,.06),0 6px 18px rgba(12,42,33,.06);
  --shadow-hover:0 8px 26px rgba(12,42,33,.12);
  --font:-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",sans-serif;
  --font-num:"DIN Alternate","Oswald",-apple-system,"PingFang SC","Microsoft YaHei",sans-serif;
  --block-gap:80px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none;transition:color 180ms ease,border-color 180ms ease,background-color 180ms ease}
button,input,textarea,select{font:inherit;color:inherit}
button{cursor:pointer;background:none;border:0}
h1,h2,h3,h4,p,ul,ol,figure,dl,dd{margin:0}
ul,ol{padding:0;list-style:none}
:focus-visible{outline:2px solid var(--brand-900);outline-offset:2px}
.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 24px;
}
.section{padding:var(--block-gap) 0}
.section--soft{background:var(--bg-soft)}
.section--tight{padding:56px 0}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  margin-bottom:28px;
}
.section-head h2{
  font-size:clamp(23px,3vw,34px);
  line-height:1.28;
  font-weight:700;
  letter-spacing:-.01em;
}
.section-head .section-sub{
  margin-top:8px;
  color:var(--text-2);
  font-size:14px;
  line-height:1.7;
  max-width:620px;
}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  font-weight:600;
  letter-spacing:.08em;
  color:var(--brand-500);
  text-transform:uppercase;
  margin-bottom:12px;
}
.eyebrow::before{
  content:"";
  width:22px;height:2px;
  background:var(--accent-500);
  display:block;
}

/* ---------- Header ---------- */
.site-header{position:sticky;top:0;z-index:60;background:var(--card);border-bottom:1px solid var(--line)}
.brand-bar{height:64px;display:flex;align-items:center}
.brand-bar-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;height:100%}
.brand{display:inline-flex;align-items:center;gap:12px;min-width:0}
.logo-mark{
  width:38px;height:38px;flex:0 0 38px;border-radius:11px;
  background:linear-gradient(150deg,var(--brand-700),var(--brand-500));
  position:relative;overflow:hidden;
}
.logo-mark::before{
  content:"";position:absolute;left:9px;top:10px;width:20px;height:6px;
  border-radius:2px;background:var(--accent-500);
  box-shadow:0 9px 0 0 rgba(246,244,238,.9);
  transform:skewX(-12deg);
}
.logo-mark::after{
  content:"";position:absolute;right:-6px;bottom:-6px;width:20px;height:20px;
  border-radius:50%;border:2px solid var(--lime-400);opacity:.55;
}
.brand-text{display:flex;flex-direction:column;line-height:1.1;min-width:0}
.brand-main{font-size:19px;font-weight:800;letter-spacing:-.02em;color:var(--brand-900)}
.brand-sub{font-size:11.5px;letter-spacing:.1em;color:var(--text-3);margin-top:4px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.brand-actions{display:flex;align-items:center;gap:18px}
.brand-link{
  font-size:14px;font-weight:600;color:var(--brand-700);
  border-bottom:1px solid transparent;padding-bottom:2px;
}
.brand-link:hover{color:var(--accent-600);border-color:var(--accent-600)}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;line-height:1;
  transition:background-color 180ms ease,border-color 180ms ease,transform 180ms ease,box-shadow 180ms ease,color 180ms ease;
  border:1px solid transparent;
}
.btn-primary{background:var(--accent-500);color:#fff;box-shadow:0 4px 14px rgba(255,106,43,.28)}
.btn-primary:hover{background:var(--accent-600);transform:translateY(-1px)}
.btn-primary:active{transform:translateY(0);background:#D2460F}
.btn-ghost{background:var(--card);color:var(--brand-700);border-color:var(--line-2)}
.btn-ghost:hover{border-color:var(--brand-700);color:var(--brand-900)}
.btn-on-dark{background:var(--accent-500);color:#fff}
.btn-on-dark:hover{background:var(--accent-600);transform:translateY(-1px)}
.btn-block{width:100%}
.btn[disabled],.btn.is-disabled{opacity:.45;cursor:not-allowed;transform:none;box-shadow:none}
.text-link{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--brand-700);font-weight:600;font-size:14px;
}
.text-link .arrow{transition:transform 180ms ease}
.text-link:hover{color:var(--accent-600)}
.text-link:hover .arrow{transform:translateX(3px)}

/* ---------- Channel nav ---------- */
.channel-nav{
  background:var(--bg-soft);
  border-top:1px solid var(--line);
  display:flex;
  align-items:stretch;
  gap:2px;
  overflow-x:auto;
  scrollbar-width:none;
  padding:0 max(24px,calc((100vw - 1200px)/2 + 24px));
}
.channel-nav::-webkit-scrollbar{display:none}
.channel-link{
  display:inline-flex;align-items:center;
  height:48px;padding:0 18px;white-space:nowrap;
  font-size:14.5px;font-weight:600;color:var(--text-2);
  border-bottom:2px solid transparent;
  transition:background-color 180ms ease,color 180ms ease,border-color 180ms ease;
}
.channel-link:hover{background:var(--card);color:var(--brand-700)}
.channel-link.active{background:var(--card);color:var(--brand-700);border-bottom-color:var(--accent-500)}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:10px;
  border:1px solid var(--line-2);align-items:center;justify-content:center;
}
.nav-toggle:hover{border-color:var(--brand-700)}
.nav-toggle-lines{display:flex;flex-direction:column;gap:4px}
.nav-toggle-lines i{display:block;width:18px;height:2px;background:var(--brand-900);border-radius:2px}

/* ---------- Mobile drawer ---------- */
.drawer-scrim{
  position:fixed;inset:0;background:rgba(12,42,33,.55);
  z-index:80;opacity:0;pointer-events:none;transition:opacity 200ms ease;
}
.drawer-scrim.is-open{opacity:1;pointer-events:auto}
.mobile-drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(340px,86vw);
  background:var(--card);z-index:90;
  transform:translateX(100%);transition:transform 240ms ease;
  display:flex;flex-direction:column;
  box-shadow:-10px 0 40px rgba(12,42,33,.18);
}
.mobile-drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding:18px 20px;border-bottom:1px solid var(--line)}
.drawer-title{font-weight:700;font-size:16px;color:var(--brand-900)}
.drawer-close{width:40px;height:40px;border-radius:10px;display:flex;align-items:center;justify-content:center;font-size:18px;color:var(--text-2);border:1px solid var(--line)}
.drawer-close:hover{border-color:var(--brand-700);color:var(--brand-900)}
.drawer-body{flex:1;overflow-y:auto;padding:20px}
.drawer-group + .drawer-group{margin-top:24px}
.drawer-group h3{font-size:12px;letter-spacing:.14em;color:var(--text-3);font-weight:700;margin-bottom:10px}
.drawer-group a{
  display:block;padding:12px 14px;border-radius:10px;
  font-size:15px;font-weight:600;color:var(--brand-900);
}
.drawer-group a:hover{background:var(--bg-soft)}
.drawer-group a.active{background:var(--bg-soft);color:var(--brand-700);border-left:3px solid var(--accent-500)}
.drawer-foot{border-top:1px solid var(--line);padding:18px 20px;font-size:13px;color:var(--text-2)}

/* ---------- Breadcrumb ---------- */
.breadcrumb{padding:20px 0 0;font-size:13px;color:var(--text-2)}
.breadcrumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px}
.breadcrumb li{display:inline-flex;align-items:center;gap:8px}
.breadcrumb li:not(:last-child)::after{content:"/";color:var(--text-3)}
.breadcrumb a:hover{color:var(--accent-600)}
.breadcrumb .current{color:var(--brand-700);font-weight:600}

/* ---------- Page head ---------- */
.page-head{padding:26px 0 48px;border-bottom:1px solid var(--line);position:relative;overflow:hidden}
.page-head::after{
  content:"";position:absolute;right:-80px;top:-120px;width:520px;height:420px;
  background:
    linear-gradient(160deg,rgba(18,58,46,.09),rgba(18,58,46,0) 65%),
    repeating-linear-gradient(0deg,rgba(12,42,33,.05) 0 1px,transparent 1px 34px),
    repeating-linear-gradient(90deg,rgba(12,42,33,.05) 0 1px,transparent 1px 34px);
  transform:skewX(-14deg);pointer-events:none;
}
.page-head-grid{
  display:grid;grid-template-columns:1.6fr .85fr;gap:40px;align-items:end;
  position:relative;z-index:1;
}
.page-head h1{
  font-size:clamp(28px,3.6vw,42px);
  line-height:1.22;letter-spacing:-.01em;font-weight:800;
  color:var(--brand-900);
  margin-top:10px;
}
.page-head p.lead{
  margin-top:16px;color:var(--text-2);font-size:16px;line-height:1.85;max-width:640px;
}
.chip-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.chip{
  display:inline-flex;align-items:center;gap:6px;
  padding:7px 14px;border-radius:var(--radius-badge);
  background:var(--card);border:1px solid var(--line);
  font-size:13px;font-weight:600;color:var(--brand-700);
}
.chip .dot{width:6px;height:6px;border-radius:50%;background:var(--accent-500)}
.head-stat{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:22px;box-shadow:var(--shadow-card);
}
.head-stat .stat-title{
  font-size:12px;letter-spacing:.14em;color:var(--text-3);font-weight:700;margin-bottom:14px;
}
.head-stat ul{display:grid;gap:14px}
.head-stat li{display:flex;align-items:baseline;justify-content:space-between;gap:12px;border-bottom:1px dashed var(--line-2);padding-bottom:12px}
.head-stat li:last-child{border-bottom:0;padding-bottom:0}
.head-stat .num{
  font-family:var(--font-num);font-variant-numeric:tabular-nums;
  font-size:28px;font-weight:700;color:var(--brand-900);line-height:1;
}
.head-stat .num em{font-style:normal;font-size:14px;color:var(--text-3);margin-left:3px;font-weight:600}
.head-stat .label{font-size:13px;color:var(--text-2);text-align:right;line-height:1.5}

/* ---------- Filter badges ---------- */
.filter-bar{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;
  margin-bottom:22px;
}
.filter-bar .filter-tip{font-size:13px;color:var(--text-3);margin-right:4px}
.filter-badge{
  padding:8px 16px;border-radius:999px;
  border:1px solid var(--line-2);background:var(--card);
  font-size:13.5px;font-weight:600;color:var(--text-2);
  transition:all 180ms ease;
}
.filter-badge:hover{border-color:var(--brand-700);color:var(--brand-900)}
.filter-badge.is-active{
  background:var(--brand-700);border-color:var(--brand-700);color:#fff;
  box-shadow:0 4px 12px rgba(18,58,46,.22);
}

/* ---------- Table ---------- */
.table-wrap{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);
  box-shadow:var(--shadow-card);overflow:hidden;
}
.issue-table{width:100%;border-collapse:collapse;font-size:14.5px;table-layout:fixed}
.issue-table thead th{
  background:var(--bg-soft);color:var(--brand-900);
  font-size:13px;font-weight:700;letter-spacing:.04em;
  text-align:left;padding:14px 18px;border-bottom:1px solid var(--line-2);
}
.issue-table td{
  padding:16px 18px;border-bottom:1px solid var(--line);
  vertical-align:top;color:var(--text-2);line-height:1.75;word-break:break-word;
}
.issue-table tbody tr:last-child td{border-bottom:0}
.issue-table tbody tr:hover{background:#FBFAF6}
.issue-table .col-sym{width:23%;color:var(--text);font-weight:600}
.issue-table .col-cause{width:24%}
.issue-table .col-fix{width:35%}
.issue-table .col-ref{width:18%}
.issue-table .ref-link{
  display:inline-flex;align-items:center;gap:4px;
  font-size:13px;font-weight:600;color:var(--brand-700);
  border-bottom:1px solid var(--line-2);padding-bottom:1px;
}
.issue-table .ref-link:hover{color:var(--accent-600);border-color:var(--accent-600)}
.tag-mini{
  display:inline-block;padding:2px 8px;border-radius:var(--radius-badge);
  font-size:12px;font-weight:600;letter-spacing:.02em;
  background:var(--bg-soft);color:var(--brand-700);border:1px solid var(--line);
}
.tag-mini.tag-warn{background:#FDF4E3;color:var(--warning);border-color:#F0DFB8}
.tag-mini.tag-ok{background:#EAF5EE;color:var(--success);border-color:#CBE6D5}
.table-foot{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;
  gap:12px;padding:16px 20px;background:#FBFAF6;border-top:1px solid var(--line);
  font-size:13px;color:var(--text-2);
}
.is-hidden{display:none !important}
.empty-state{
  display:none;padding:48px 24px;text-align:center;color:var(--text-2);
}
.empty-state.is-show{display:block}
.empty-icon{
  width:52px;height:52px;margin:0 auto 14px;border-radius:14px;
  background:var(--bg-soft);display:flex;align-items:center;justify-content:center;
  color:var(--brand-500);font-size:20px;font-weight:700;
}
.empty-state p{font-size:14px;margin-bottom:14px}

/* ---------- Check points ---------- */
.check-grid{display:grid;grid-template-columns:1.05fr 1fr;gap:36px;align-items:center}
.check-visual{
  position:relative;border-radius:var(--radius-lg);overflow:hidden;
  background:var(--brand-700);box-shadow:var(--shadow-card);
  aspect-ratio:16/10;
}
.check-visual img{width:100%;height:100%;object-fit:cover;opacity:.92}
.check-visual .overlay{
  position:absolute;inset:0;background:linear-gradient(160deg,rgba(12,42,33,.34),rgba(12,42,33,.62));
}
.check-visual .visual-card{
  position:absolute;left:20px;bottom:20px;right:20px;
  background:rgba(255,255,255,.95);border-radius:12px;padding:16px 18px;
  display:flex;align-items:center;justify-content:space-between;gap:14px;
}
.check-visual .visual-card strong{font-size:15px;color:var(--brand-900);display:block}
.check-visual .visual-card span{font-size:12.5px;color:var(--text-2)}
.check-visual .visual-card .num{
  font-family:var(--font-num);font-variant-numeric:tabular-nums;
  font-size:30px;font-weight:700;color:var(--brand-700);line-height:1;
}
.check-list{display:grid;gap:16px}
.check-item{
  display:flex;gap:16px;align-items:flex-start;
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:20px 22px;box-shadow:var(--shadow-card);
  transition:transform 180ms ease,box-shadow 180ms ease,border-color 180ms ease;
}
.check-item:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:var(--brand-700)}
.check-item .idx{
  flex:0 0 40px;width:40px;height:40px;border-radius:10px;
  border:1px solid var(--lime-400);color:var(--brand-900);
  display:flex;align-items:center;justify-content:center;
  font-family:var(--font-num);font-weight:700;font-size:15px;
  background:#F7FCE7;
}
.check-item h3{font-size:17px;font-weight:700;color:var(--brand-900);margin-bottom:6px}
.check-item p{font-size:14px;color:var(--text-2);line-height:1.75}

/* ---------- FAQ ---------- */
.faq-block{max-width:920px}
.faq-list{border-top:1px solid var(--line-2)}
.faq-item{border-bottom:1px solid var(--line-2)}
.faq-q{
  list-style:none;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 0;cursor:pointer;font-size:16px;font-weight:600;color:var(--text);
  transition:color 180ms ease;
}
.faq-q::-webkit-details-marker{display:none}
.faq-q:hover{color:var(--brand-700)}
.faq-icon{
  flex:0 0 26px;width:26px;height:26px;border-radius:8px;
  border:1px solid var(--line-2);position:relative;
  transition:transform 240ms ease,border-color 180ms ease,background-color 180ms ease;
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--brand-700);
  transform:translate(-50%,-50%);border-radius:2px;
}
.faq-icon::before{width:12px;height:2px}
.faq-icon::after{width:2px;height:12px}
.faq-item[open] .faq-icon{transform:rotate(45deg);border-color:var(--accent-500);background:#FFF2EC}
.faq-item[open] .faq-icon::before,.faq-item[open] .faq-icon::after{background:var(--accent-600)}
.faq-a{padding:0 0 22px;font-size:15px;line-height:1.85;color:var(--text-2);max-width:800px}
.faq-item[open] .faq-a{animation:faqFade 240ms ease}
@keyframes faqFade{from{opacity:0;transform:translateY(-4px)}to{opacity:1;transform:translateY(0)}}

/* ---------- CTA band ---------- */
.cta-band{
  background:var(--brand-900);color:var(--bg);
  border-radius:var(--radius-lg);
  padding:44px 40px;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:26px;
  position:relative;overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;right:-60px;top:-60px;width:320px;height:320px;
  border-radius:50%;border:1px solid rgba(198,242,78,.25);
  box-shadow:0 0 0 40px rgba(198,242,78,.06);
}
.cta-band h2{font-size:clamp(22px,2.6vw,30px);line-height:1.3;font-weight:700;max-width:560px}
.cta-band p{margin-top:10px;font-size:14.5px;color:rgba(246,244,238,.78);max-width:560px;line-height:1.75}
.cta-actions{display:flex;flex-wrap:wrap;align-items:center;gap:16px;position:relative;z-index:1}
.cta-actions .text-link{color:var(--lime-400)}
.cta-actions .text-link:hover{color:#fff}

/* ---------- Contact form ---------- */
.contact-grid{display:grid;grid-template-columns:5fr 7fr;gap:40px;align-items:start}
.contact-intro h2{font-size:clamp(23px,3vw,32px);line-height:1.3;font-weight:700;letter-spacing:-.01em}
.contact-intro p{margin-top:14px;color:var(--text-2);font-size:15px;line-height:1.85}
.contact-points{margin-top:24px;display:grid;gap:12px}
.contact-points li{display:flex;gap:10px;align-items:flex-start;font-size:14px;color:var(--text-2)}
.contact-points .tick{
  flex:0 0 18px;width:18px;height:18px;border-radius:50%;
  background:#EAF5EE;color:var(--success);display:flex;align-items:center;justify-content:center;
  font-size:11px;font-weight:700;margin-top:5px;
}
.form-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:28px;box-shadow:var(--shadow-card);
}
.field{margin-bottom:18px}
.field > label{display:block;font-size:13px;font-weight:600;color:var(--brand-900);margin-bottom:8px}
.field .hint{font-size:12px;color:var(--text-3);font-weight:400;margin-left:6px}
.input,.textarea{
  width:100%;border:1px solid var(--line-2);border-radius:var(--radius-btn);
  background:#FDFCF9;padding:0 14px;height:46px;
  font-size:15px;color:var(--text);
  transition:border-color 180ms ease,box-shadow 180ms ease,background-color 180ms ease;
}
.textarea{height:auto;padding:12px 14px;min-height:112px;resize:vertical;line-height:1.75}
.input::placeholder,.textarea::placeholder{color:var(--text-3)}
.input:focus,.textarea:focus{
  outline:none;border-color:var(--brand-700);background:#fff;
  box-shadow:0 0 0 3px rgba(18,58,46,.12);
}
.segmented{display:flex;flex-wrap:wrap;gap:8px}
.segmented input{position:absolute;opacity:0;width:1px;height:1px}
.segmented label{
  padding:9px 16px;border-radius:999px;border:1px solid var(--line-2);
  font-size:13.5px;font-weight:600;color:var(--text-2);cursor:pointer;
  transition:all 180ms ease;background:#FDFCF9;
}
.segmented label:hover{border-color:var(--brand-700);color:var(--brand-900)}
.segmented input:checked + label{
  background:var(--brand-700);border-color:var(--brand-700);color:#fff;
}
.segmented input:focus-visible + label{outline:2px solid var(--brand-900);outline-offset:2px}
.privacy-row{display:flex;gap:10px;align-items:flex-start;margin:14px 0 18px;font-size:12.5px;color:var(--text-2);line-height:1.7}
.privacy-row input{margin-top:4px;width:15px;height:15px;accent-color:var(--brand-700)}
.form-note{
  margin-top:16px;padding-top:16px;border-top:1px solid var(--line);
  font-size:12px;color:var(--text-3);line-height:1.7;
}
.form-feedback{
  margin-top:14px;padding:12px 14px;border-radius:10px;
  background:#EAF5EE;color:var(--success);font-size:13.5px;font-weight:600;
  display:none;
}
.form-feedback.is-show{display:block}

/* ---------- Footer ---------- */
.site-footer{background:var(--brand-900);color:rgba(246,244,238,.82);padding:56px 0 0;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:36px;padding-bottom:40px}
.footer-brand .brand-main{color:#fff}
.footer-brand .brand-sub{color:rgba(246,244,238,.6)}
.footer-brand .logo-mark{background:linear-gradient(150deg,#1E5A46,#123A2E);border:1px solid rgba(198,242,78,.35)}
.footer-brand p{margin-top:16px;font-size:13.5px;line-height:1.85;color:rgba(246,244,238,.7);max-width:340px}
.footer-col h4{font-size:13px;letter-spacing:.12em;color:#fff;font-weight:700;margin-bottom:14px}
.footer-col ul{display:grid;gap:10px}
.footer-col a{font-size:13.5px;color:rgba(246,244,238,.74)}
.footer-col a:hover{color:var(--lime-400)}
.footer-contact li{font-size:13.5px;color:rgba(246,244,238,.74);line-height:1.7}
.footer-bottom{
  border-top:1px solid rgba(246,244,238,.14);
  padding:18px 0 24px;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:14px;
  font-size:12.5px;color:rgba(246,244,238,.6);
}
.footer-bottom .links{display:flex;flex-wrap:wrap;gap:18px}
.footer-bottom a:hover{color:var(--lime-400)}

/* ---------- Responsive ---------- */
@media (max-width:1279px){
  :root{--block-gap:72px}
  .page-head-grid{grid-template-columns:1.5fr .9fr;gap:28px}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr 1fr;gap:28px}
}
@media (max-width:1023px){
  :root{--block-gap:64px}
  .brand-link{display:none}
  .channel-nav{padding:0 18px}
  .page-head-grid{grid-template-columns:1fr;gap:24px;align-items:start}
  .check-grid{grid-template-columns:1fr;gap:26px}
  .contact-grid{grid-template-columns:1fr;gap:28px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .issue-table{font-size:14px}
  .issue-table .col-sym{width:24%}
}
@media (max-width:900px){
  .nav-toggle{display:inline-flex}
  .brand-actions .btn-primary{display:none}
}
@media (max-width:767px){
  :root{--block-gap:48px}
  .container{padding:0 18px}
  .brand-bar{height:56px}
  .brand-main{font-size:17px}
  .brand-sub{font-size:10.5px;letter-spacing:.06em}
  .logo-mark{width:34px;height:34px;flex:0 0 34px;border-radius:10px}
  .logo-mark::before{left:8px;top:9px;width:17px;height:5px;box-shadow:0 8px 0 0 rgba(246,244,238,.9)}
  .channel-nav{padding:0 12px}
  .channel-link{height:44px;padding:0 14px;font-size:13.5px}
  .section-head{flex-direction:column;align-items:flex-start;gap:10px;margin-bottom:20px}
  .page-head{padding:18px 0 34px}
  .page-head h1{font-size:clamp(24px,6.4vw,30px)}
  .head-stat{padding:18px}
  .head-stat li{padding-bottom:10px}
  .head-stat .num{font-size:24px}
  .table-wrap{background:transparent;border:0;box-shadow:none;border-radius:0;overflow:visible}
  .issue-table,.issue-table tbody,.issue-table tr,.issue-table td{display:block;width:100%}
  .issue-table thead{display:none}
  .issue-table tbody tr{
    background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);
    padding:6px 0 10px;margin-bottom:14px;box-shadow:var(--shadow-card);
  }
  .issue-table tbody tr:hover{background:var(--card)}
  .issue-table td{border-bottom:0;padding:8px 18px;width:100% !important}
  .issue-table td::before{
    content:attr(data-label);display:block;
    font-size:11.5px;letter-spacing:.08em;color:var(--text-3);
    font-weight:700;margin-bottom:3px;
  }
  .issue-table .col-sym{font-size:16px;padding-top:14px}
  .issue-table .col-sym::before{content:attr(data-label)}
  .table-foot{background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card)}
  .check-visual{aspect-ratio:4/3}
  .faq-q{font-size:15px;padding:17px 0}
  .cta-band{padding:30px 22px;border-radius:12px}
  .cta-actions{width:100%}
  .cta-actions .btn{width:100%}
  .form-card{padding:20px}
  .btn{height:46px}
  .footer-grid{grid-template-columns:1fr;gap:24px;padding-bottom:28px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:10px}
  .section--tight{padding:40px 0}
}
@media (max-width:479px){
  .brand-sub{max-width:150px}
  .chip{font-size:12px;padding:6px 11px}
  .head-stat .num{font-size:22px}
  .head-stat .label{font-size:12px}
  .filter-badge{padding:7px 13px;font-size:12.5px}
  .check-item{padding:16px;gap:12px}
  .check-item .idx{flex:0 0 34px;width:34px;height:34px;font-size:13px}
  .segmented label{padding:8px 13px;font-size:13px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;scroll-behavior:auto !important}
}