/* roulang page: index */
:root{
  --ink-900:#0A1712;
  --ink-800:#12241D;
  --brand-500:#C8F14A;
  --brand-600:#B2DF2E;
  --brand-100:#EEFBCB;
  --accent-500:#FF6A2B;
  --accent-100:#FFE7DA;
  --cool-500:#3FC7B4;
  --paper:#F6F7F3;
  --line:#E2E6DF;
  --text:#14181A;
  --muted:#6A7370;
  --index:#C6D2BE;
  --radius-btn:999px;
  --radius-input:12px;
  --radius-card:16px;
  --radius-img:20px;
  --radius-block:24px;
  --shadow-1:0 1px 2px rgba(10,23,18,.06);
  --shadow-2:0 12px 32px -12px rgba(10,23,18,.18);
  --font-sans:"PingFang SC","HarmonyOS Sans","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--paper);
  color:var(--text);
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.9;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button{font-family:inherit;font-size:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
h1,h2,h3{letter-spacing:-.01em}
.num{font-variant-numeric:tabular-nums}
::selection{background:var(--brand-500);color:var(--ink-900)}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
@media (min-width:1024px){.container{padding:0 32px}}

/* ============ 顶部信息条 ============ */
.topbar{background:var(--ink-900);color:#fff}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;height:38px}
.topbar-left{display:flex;align-items:center;gap:12px;font-size:13px;min-width:0}
.topbar-brand{font-weight:700;letter-spacing:.02em;color:#fff;white-space:nowrap}
.topbar-tip{color:rgba(255,255,255,.46);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.topbar-pill{
  display:inline-flex;align-items:center;height:26px;padding:0 14px;
  background:var(--brand-500);color:var(--ink-900);
  border-radius:var(--radius-btn);font-size:13px;font-weight:700;white-space:nowrap;
  transition:background .2s ease,transform .2s ease;
}
.topbar-pill:hover{background:var(--brand-600)}
.topbar-pill:active{transform:scale(.97)}
.topbar-pill:focus-visible{outline:2px solid var(--brand-500);outline-offset:2px}

/* ============ 主导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(246,247,243,.94);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease,background .25s ease;
}
.site-header.scrolled{
  background:rgba(246,247,243,.99);
  box-shadow:0 8px 24px -18px rgba(10,23,18,.5);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;height:72px}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0}
.logo-mark{
  width:38px;height:38px;border-radius:12px;
  background:var(--ink-900);color:var(--brand-500);
  display:flex;align-items:center;justify-content:center;flex-shrink:0;
}
.logo-text{display:flex;flex-direction:column;line-height:1.2}
.logo-main{font-size:16px;font-weight:800;letter-spacing:-.01em;color:var(--ink-900)}
.logo-sub{font-size:11px;color:var(--muted);letter-spacing:.06em}
.nav-list{display:flex;align-items:center;gap:4px}
.nav-link{
  position:relative;display:inline-block;padding:10px 14px;
  font-size:15px;color:#37403B;border-radius:10px;
  transition:color .2s ease;
}
.nav-link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:4px;height:2px;
  background:var(--brand-500);transform:scaleX(0);transform-origin:left;
  transition:transform .22s ease;border-radius:2px;
}
.nav-link:hover{color:var(--ink-900)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.active{font-weight:700;color:var(--ink-900)}
.nav-link.active::after{transform:scaleX(1)}
.nav-link:focus-visible{outline:2px solid var(--brand-500);outline-offset:2px}

.menu-btn{
  width:44px;height:44px;display:flex;align-items:center;justify-content:center;
  border:1px solid var(--line);background:#fff;border-radius:12px;color:var(--ink-900);
  cursor:pointer;transition:border-color .2s ease;
}
.menu-btn:hover{border-color:var(--ink-900)}

/* ============ 按钮体系 ============ */
.btn-primary{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:var(--radius-btn);
  background:var(--brand-500);color:var(--ink-900);
  font-size:15px;font-weight:700;line-height:1;border:1px solid transparent;
  cursor:pointer;transition:background .2s ease,box-shadow .2s ease,transform .2s ease;
  box-shadow:var(--shadow-1);
}
.btn-primary svg{transition:transform .2s ease}
.btn-primary:hover{background:var(--brand-600);box-shadow:var(--shadow-2)}
.btn-primary:hover svg{transform:translateX(2px)}
.btn-primary:active{transform:scale(.98)}
.btn-primary:focus-visible{outline:2px solid var(--brand-500);outline-offset:2px}
.btn-sm{padding:10px 20px;font-size:14px}

.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:var(--radius-btn);
  background:transparent;color:var(--ink-900);
  border:1px solid var(--ink-900);font-size:15px;font-weight:700;line-height:1;
  cursor:pointer;transition:background .2s ease,color .2s ease,transform .2s ease;
}
.btn-ghost:hover{background:var(--ink-900);color:#fff}
.btn-ghost:active{transform:scale(.98)}
.btn-ghost:focus-visible{outline:2px solid var(--brand-500);outline-offset:2px}

.btn-dark{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:var(--radius-btn);
  background:var(--ink-900);color:#fff;border:1px solid var(--ink-900);
  font-size:15px;font-weight:700;line-height:1;cursor:pointer;
  transition:background .2s ease,transform .2s ease;
}
.btn-dark:hover{background:var(--ink-800)}
.btn-dark:active{transform:scale(.98)}
.btn-dark:focus-visible{outline:2px solid var(--brand-500);outline-offset:2px}

.text-link{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:700;color:var(--ink-900);
  border-bottom:1px solid var(--brand-500);padding-bottom:2px;
  transition:color .2s ease;
}
.text-link svg{transition:transform .2s ease}
.text-link:hover{color:var(--brand-600)}
.text-link:hover svg{transform:translateX(2px)}

/* ============ 徽章 ============ */
.badge{
  display:inline-flex;align-items:center;height:25px;padding:0 12px;
  border-radius:var(--radius-btn);font-size:12px;font-weight:600;line-height:1;
  white-space:nowrap;
}
.badge-brand{background:var(--brand-100);color:#3D4A16}
.badge-warn{background:var(--accent-100);color:#B0430F}
.badge-mute{background:#EDF0EA;color:var(--muted)}

/* ============ 倒计时条 ============ */
.cd-bar{background:var(--ink-900);color:#fff;border-top:1px solid rgba(255,255,255,.06)}
.cd-inner{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;
  gap:14px 24px;padding:14px 0;
}
@media (min-width:1024px){.cd-inner{padding:16px 0}}
.cd-text{display:flex;align-items:center;gap:10px;font-size:14px;color:rgba(255,255,255,.86);white-space:nowrap}
.cd-dot{
  width:8px;height:8px;border-radius:50%;background:var(--brand-500);
  box-shadow:0 0 0 4px rgba(200,241,74,.16);
}
.cd-timer{display:flex;align-items:flex-end;gap:18px}
.cd-unit{display:flex;align-items:baseline;gap:4px}
.cd-num{
  font-size:30px;font-weight:900;line-height:1;color:var(--brand-500);
  font-variant-numeric:tabular-nums;letter-spacing:-.02em;display:inline-block;
}
@media (min-width:1024px){.cd-num{font-size:34px}}
.cd-lab{font-size:12px;color:rgba(255,255,255,.44)}
.cd-num.flip{animation:cdFlip .18s ease-out}
@keyframes cdFlip{from{transform:translateY(6px);opacity:.3}to{transform:translateY(0);opacity:1}}

/* ============ Hero ============ */
.hero{padding:52px 0 44px}
@media (min-width:1024px){.hero{padding:88px 0 72px}}
.hero-grid{display:grid;grid-template-columns:1fr;gap:40px;align-items:center}
@media (min-width:1024px){.hero-grid{grid-template-columns:7fr 5fr;gap:56px}}
.hero-eyebrow{
  display:inline-block;font-size:12px;letter-spacing:.14em;color:var(--muted);
  text-transform:uppercase;margin-bottom:18px;
}
.hero-title{
  font-size:clamp(32px,5.6vw,60px);
  font-weight:900;line-height:1.08;letter-spacing:-.02em;color:var(--ink-900);
  max-width:16em;
}
.hero-sub{
  margin-top:20px;font-size:18px;line-height:1.75;color:#3B4642;max-width:30em;
}
@media (min-width:1024px){.hero-sub{font-size:19px}}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.hero-tags li{
  display:inline-flex;align-items:center;height:32px;padding:0 16px;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-btn);
  font-size:13px;color:#3B4642;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.hero-note{margin-top:18px;font-size:13px;color:var(--muted)}
.hero-note a{color:var(--ink-900);border-bottom:1px solid var(--brand-500)}

.hero-right{position:relative}
.hero-figure{
  position:relative;border-radius:var(--radius-img);overflow:hidden;
  border:1px solid var(--line);background:#E8ECE4;
  aspect-ratio:4/5;box-shadow:var(--shadow-2);
}
.hero-figure img{width:100%;height:100%;object-fit:cover}
.hero-figure::after{
  content:"";position:absolute;inset:0;border-radius:var(--radius-img);
  border:1px solid rgba(200,241,74,.55);pointer-events:none;
}
.hero-float{
  position:absolute;left:-8px;bottom:26px;z-index:3;
  display:flex;align-items:center;gap:12px;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  padding:14px 20px;box-shadow:var(--shadow-2);
}
@media (min-width:1024px){.hero-float{left:-32px}}
.hf-num{font-size:28px;font-weight:900;line-height:1;color:var(--ink-900);font-variant-numeric:tabular-nums}
.hf-txt{font-size:13px;color:var(--muted);line-height:1.4}

/* ============ 板块通用 ============ */
.section{padding:56px 0}
@media (min-width:1024px){.section{padding:96px 0}}
.section-tight{padding:40px 0}
@media (min-width:1024px){.section-tight{padding:64px 0}}
.section-head{display:flex;gap:20px;align-items:flex-start;margin-bottom:36px}
@media (min-width:1024px){.section-head{margin-bottom:52px}}
.sec-num{
  font-size:44px;font-weight:900;line-height:1;color:var(--index);
  font-variant-numeric:tabular-nums;flex-shrink:0;letter-spacing:-.04em;
}
@media (min-width:1024px){.sec-num{font-size:56px}}
.sec-title{font-size:clamp(26px,3.2vw,40px);font-weight:800;line-height:1.2;color:var(--ink-900)}
.sec-desc{margin-top:10px;font-size:15px;color:var(--muted);max-width:44em}
.section-head-row{
  display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;
  gap:20px;margin-bottom:36px;
}
@media (min-width:1024px){.section-head-row{margin-bottom:52px}}

/* ============ 参与要点 ============ */
.points-grid{display:grid;grid-template-columns:1fr;gap:20px}
@media (min-width:1024px){
  .points-grid{grid-template-columns:repeat(12,1fr);gap:24px}
  .point-w7{grid-column:span 7}
  .point-w5{grid-column:span 5}
}
.point-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  padding:28px;transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
  position:relative;overflow:hidden;
}
@media (min-width:1024px){.point-card{padding:34px}}
.point-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:#D3DACB}
.point-index{
  font-size:34px;font-weight:900;line-height:1;color:var(--index);
  font-variant-numeric:tabular-nums;letter-spacing:-.04em;
}
.point-title{
  margin-top:16px;font-size:21px;font-weight:700;color:var(--ink-900);line-height:1.35;
  position:relative;display:inline-block;
}
.point-title::after{
  content:"";position:absolute;left:0;bottom:-6px;height:2px;width:0;
  background:var(--brand-500);transition:width .2s ease;
}
.point-card:hover .point-title::after{width:24px}
.point-text{margin-top:18px;font-size:15px;line-height:1.9;color:var(--muted)}

/* ============ 图墙 ============ */
.wall{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;grid-auto-rows:142px}
@media (min-width:768px){
  .wall{grid-template-columns:repeat(6,1fr);gap:16px;grid-auto-rows:170px}
}
@media (min-width:1024px){
  .wall{grid-auto-rows:190px}
}
.wall-item{position:relative;overflow:hidden;border-radius:var(--radius-img);background:#DFE4DC}
.wall-item img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.wall-item:hover img{transform:scale(1.03)}
.wall-item:focus-visible{outline:2px solid var(--brand-500);outline-offset:3px}
.wall-cap{
  position:absolute;left:0;right:0;bottom:0;padding:26px 16px 12px;
  font-size:13px;line-height:1.5;color:#fff;
  background:linear-gradient(to top,rgba(10,23,18,.78),rgba(10,23,18,0));
}
.wall-a{grid-column:span 2}
@media (min-width:768px){
  .wall-a{grid-column:span 4;grid-row:span 2}
  .wall-b,.wall-c,.wall-d,.wall-e,.wall-f{grid-column:span 2}
}
.wall-offset{margin-top:0}
@media (min-width:768px){.wall-offset{margin-top:0}}

/* ============ 报名 CTA ============ */
.signup{background:var(--ink-900);color:#fff;padding:56px 0}
@media (min-width:1024px){.signup{padding:88px 0}}
.signup-grid{display:grid;grid-template-columns:1fr;gap:40px}
@media (min-width:1024px){.signup-grid{grid-template-columns:6fr 6fr;gap:64px;align-items:start}}
.signup h2{font-size:clamp(26px,3.2vw,38px);font-weight:800;line-height:1.2;color:#fff;margin-top:18px}
.signup-list{margin-top:28px;display:flex;flex-direction:column;gap:16px}
.signup-list li{
  display:flex;gap:12px;align-items:flex-start;
  font-size:15px;line-height:1.8;color:rgba(255,255,255,.78);
  padding-bottom:16px;border-bottom:1px solid rgba(255,255,255,.08);
}
.signup-list li:last-child{border-bottom:0;padding-bottom:0}
.signup-list svg{flex-shrink:0;margin-top:5px;color:var(--brand-500)}
.signup-note{margin-top:26px;font-size:13px;color:rgba(255,255,255,.46)}

.form-card{
  background:var(--ink-800);border:1px solid rgba(255,255,255,.08);
  border-radius:var(--radius-block);padding:26px;
}
@media (min-width:1024px){.form-card{padding:34px}}
.field{margin-bottom:18px}
.field label{display:block;font-size:13px;font-weight:600;color:rgba(255,255,255,.72);margin-bottom:8px}
.field input,.field select,.field textarea{
  width:100%;padding:13px 16px;border-radius:var(--radius-input);
  background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.14);
  color:#fff;font-size:15px;font-family:inherit;line-height:1.5;
  transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
  appearance:none;-webkit-appearance:none;
}
.field textarea{resize:vertical;min-height:88px}
.field input::placeholder,.field textarea::placeholder{color:rgba(255,255,255,.34)}
.field select{background-image:url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%23ffffff' stroke-opacity='.5' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 16px center}
.field select option{color:#14181A}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--brand-500);background:rgba(255,255,255,.08);
  box-shadow:0 0 0 2px rgba(200,241,74,.28);
}
.field input.err,.field select.err,.field textarea.err{border-color:var(--accent-500);box-shadow:0 0 0 2px rgba(255,106,43,.22)}
.check{display:flex;align-items:flex-start;gap:10px;margin:6px 0 20px;font-size:13px;color:rgba(255,255,255,.66);line-height:1.65;cursor:pointer}
.check input{
  width:18px;height:18px;margin-top:3px;flex-shrink:0;accent-color:var(--brand-500);
  border-radius:6px;cursor:pointer;
}
.btn-block{width:100%}
.form-status{margin-top:12px;font-size:13px;min-height:20px;color:rgba(255,255,255,.46)}
.form-status.ok{color:var(--brand-500)}
.form-status.err{color:var(--accent-500)}

/* ============ FAQ ============ */
.faq-list{max-width:860px;border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{
  width:100%;display:flex;align-items:flex-start;justify-content:space-between;gap:20px;
  padding:22px 0;background:none;border:0;text-align:left;cursor:pointer;
  font-size:16px;font-weight:700;line-height:1.65;color:var(--ink-900);
  transition:color .2s ease;
}
@media (min-width:1024px){.faq-q{font-size:17px}}
.faq-q:hover{color:var(--brand-600)}
.faq-q:focus-visible{outline:2px solid var(--brand-500);outline-offset:3px;border-radius:6px}
.faq-icon{
  flex-shrink:0;width:26px;height:26px;border-radius:50%;
  border:1px solid var(--line);color:var(--ink-900);
  display:flex;align-items:center;justify-content:center;
  font-size:16px;font-weight:400;line-height:1;margin-top:2px;
  transition:transform .24s ease,background .24s ease,border-color .24s ease;
}
.faq-item.open .faq-icon{transform:rotate(45deg);background:var(--brand-500);border-color:var(--brand-500)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .24s ease}
.faq-a-inner{
  padding:0 0 22px 18px;margin-left:1px;
  border-left:2px solid var(--brand-500);
  font-size:15px;line-height:1.85;color:var(--muted);max-width:44em;
}
.faq-foot{margin-top:28px;font-size:14px;color:var(--muted)}
.faq-foot a{color:var(--ink-900);border-bottom:1px solid var(--brand-500);font-weight:600}

/* ============ 最新信息 ============ */
.news-grid{display:grid;grid-template-columns:1fr;gap:20px;align-items:start}
@media (min-width:1024px){
  .news-grid{grid-template-columns:1.15fr 1fr;gap:24px}
  .news-lead{grid-row:span 2}
}
.news-card{
  display:flex;flex-direction:column;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  padding:24px;transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
@media (min-width:1024px){.news-card{padding:28px}}
.news-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:#D3DACB}
.news-card:focus-visible{outline:2px solid var(--brand-500);outline-offset:3px}
.news-lead{
  background:var(--ink-900);border-color:var(--ink-900);color:#fff;
}
.news-lead:hover{border-color:var(--ink-800)}
.news-lead .news-title{color:#fff}
.news-lead .news-sum{color:rgba(255,255,255,.66)}
.news-lead .news-meta{color:rgba(255,255,255,.46);border-top-color:rgba(255,255,255,.1)}
.news-head{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.news-title{
  font-size:19px;font-weight:700;line-height:1.5;color:var(--ink-900);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  transition:color .2s ease;
}
@media (min-width:1024px){.news-lead .news-title{font-size:24px}}
.news-card:hover .news-title{color:var(--brand-600)}
.news-lead:hover .news-title{color:var(--brand-500)}
.news-sum{
  margin-top:12px;font-size:15px;line-height:1.8;color:var(--muted);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-meta{
  margin-top:auto;padding-top:18px;display:flex;align-items:center;gap:14px;
  font-size:13px;color:var(--muted);border-top:1px solid var(--line);
  font-variant-numeric:tabular-nums;
}
.news-meta{align-items:center}
.news-more{margin-top:14px;display:inline-flex;align-items:center;gap:6px;font-size:13px;font-weight:700;color:var(--brand-600)}
.news-lead .news-more{color:var(--brand-500)}
.news-empty{
  grid-column:1/-1;min-height:300px;
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;
  background:#fff;border:1px dashed var(--line);border-radius:var(--radius-card);
  color:var(--muted);font-size:14px;
}

/* ============ 页脚前 CTA ============ */
.pre-cta{padding:40px 0 56px}
@media (min-width:1024px){.pre-cta{padding:56px 0 96px}}
.pre-cta-inner{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-block);
  padding:32px;display:flex;flex-direction:column;gap:26px;
}
@media (min-width:1024px){
  .pre-cta-inner{padding:48px 56px;flex-direction:row;align-items:center;justify-content:space-between;gap:40px}
}
.pre-cta h2{font-size:clamp(24px,2.8vw,34px);font-weight:800;line-height:1.25;color:var(--ink-900)}
.pre-cta p{margin-top:12px;font-size:15px;line-height:1.85;color:var(--muted);max-width:40em}
.pre-cta-actions{display:flex;flex-wrap:wrap;gap:14px;flex-shrink:0}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink-900);color:#fff;padding:56px 0 0}
@media (min-width:1024px){.site-footer{padding:80px 0 0}}
.footer-grid{display:grid;grid-template-columns:1fr;gap:36px;padding-bottom:48px}
@media (min-width:768px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px}}
.footer-logo .logo-mark{background:rgba(255,255,255,.08);color:var(--brand-500)}
.footer-logo .logo-main{color:#fff}
.footer-logo .logo-sub{color:rgba(255,255,255,.42)}
.footer-desc{margin-top:20px;font-size:14px;line-height:1.9;color:rgba(255,255,255,.6);max-width:26em}
.footer-col h3{font-size:14px;font-weight:700;color:#fff;letter-spacing:.02em;margin-bottom:18px}
.footer-col ul{display:flex;flex-direction:column;gap:12px}
.footer-col a,.footer-col li{font-size:14px;color:rgba(255,255,255,.6);transition:color .2s ease}
.footer-col a:hover{color:var(--brand-500)}
.footer-col a:focus-visible{outline:2px solid var(--brand-500);outline-offset:3px;border-radius:4px}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.08);
  padding:22px 0;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:14px;
  font-size:13px;color:rgba(255,255,255,.4);font-variant-numeric:tabular-nums;
}
.back-top{
  display:inline-flex;align-items:center;gap:8px;height:36px;padding:0 16px;
  border:1px solid rgba(200,241,74,.5);border-radius:var(--radius-btn);
  color:var(--brand-500);font-size:13px;font-weight:600;
  transition:background .2s ease,color .2s ease;
}
.back-top:hover{background:var(--brand-500);color:var(--ink-900);border-color:var(--brand-500)}

/* ============ 移动端抽屉 ============ */
.drawer-mask{
  position:fixed;inset:0;background:rgba(10,23,18,.5);z-index:90;
  opacity:0;visibility:hidden;transition:opacity .25s ease,visibility .25s ease;
}
.drawer-mask.open{opacity:1;visibility:visible}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(86vw,340px);z-index:100;
  background:var(--paper);transform:translateX(100%);
  transition:transform .3s cubic-bezier(.4,0,.2,1);
  display:flex;flex-direction:column;overflow-y:auto;
  box-shadow:-16px 0 40px -20px rgba(10,23,18,.5);
}
.drawer.open{transform:translateX(0)}
.drawer-head{
  display:flex;align-items:center;justify-content:space-between;
  padding:16px 20px;border-bottom:1px solid var(--line);
}
.drawer-close{
  width:44px;height:44px;display:flex;align-items:center;justify-content:center;
  border:1px solid var(--line);border-radius:12px;background:#fff;cursor:pointer;color:var(--ink-900);
}
.drawer-nav{padding:20px;display:flex;flex-direction:column;gap:6px}
.drawer-nav a{
  padding:14px 16px;border-radius:12px;font-size:16px;font-weight:600;color:var(--ink-900);
  transition:background .2s ease;
}
.drawer-nav a:hover{background:#fff}
.drawer-nav a.active{background:var(--brand-100)}
.drawer-foot{padding:20px;margin-top:auto;border-top:1px solid var(--line);display:flex;flex-direction:column;gap:12px}
.drawer-foot .btn-primary{width:100%}

/* ============ 动效 ============ */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .4s ease-out,transform .4s ease-out}
.reveal.in{opacity:1;transform:translateY(0)}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
  }
  .reveal{opacity:1;transform:none}
  .point-card:hover,.news-card:hover{transform:none}
  .wall-item:hover img{transform:none}
}

/* roulang page: category1 */
:root{
  --ink-900:#0A1712;
  --ink-800:#12241D;
  --brand-500:#C8F14A;
  --brand-600:#B2DF2E;
  --brand-100:#EEFBCB;
  --accent-500:#FF6A2B;
  --accent-100:#FFE7DA;
  --cool-500:#3FC7B4;
  --paper:#F6F7F3;
  --card:#FFFFFF;
  --line:#E2E6DF;
  --text:#14181A;
  --muted:#6A7370;
  --r-card:16px;
  --r-img:20px;
  --r-btn:999px;
  --r-input:12px;
  --shadow-1:0 1px 2px rgba(10,23,18,.06);
  --shadow-2:0 12px 32px -12px rgba(10,23,18,.18);
}

*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--paper);
  color:var(--text);
  font-family:'PingFang SC','HarmonyOS Sans','Microsoft YaHei','Noto Sans SC',system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.9;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0;padding:0;}
ul,ol{list-style:none;}
a{color:inherit;text-decoration:none;}
img{display:block;max-width:100%;height:auto;}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer;}
input,select,textarea{font:inherit;color:inherit;}
.num{font-variant-numeric:tabular-nums;}

.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding-left:20px;
  padding-right:20px;
}
@media (min-width:1024px){
  .container{padding-left:32px;padding-right:32px;}
}

/* ---------- 顶部信息条 ---------- */
.topbar{
  background:var(--ink-900);
  color:rgba(255,255,255,.86);
  font-size:13px;
}
.topbar-inner{
  min-height:40px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding-top:6px;
  padding-bottom:6px;
}
.topbar-left{display:flex;align-items:center;gap:12px;flex-wrap:wrap;}
.topbar-mark{
  display:inline-flex;align-items:center;gap:6px;
  font-weight:700;color:#fff;letter-spacing:.02em;
}
.topbar-mark svg{color:var(--brand-500);}
.topbar-note{color:rgba(255,255,255,.62);}
.topbar-cta{
  display:inline-flex;align-items:center;gap:6px;
  background:var(--brand-500);color:var(--ink-900);
  font-weight:700;font-size:13px;
  padding:7px 16px;border-radius:var(--r-btn);
  transition:background .2s ease,transform .2s ease;
  white-space:nowrap;
}
.topbar-cta:hover{background:var(--brand-600);}
.topbar-cta:active{transform:scale(.98);}
@media (max-width:767px){
  .topbar-note{display:none;}
}

/* ---------- 主导航 ---------- */
.nav-shell{
  position:sticky;top:0;z-index:60;
  background:#F6F7F3;
  border-bottom:1px solid var(--line);
  transition:box-shadow .2s ease,background .2s ease;
}
.nav-shell.is-scrolled{box-shadow:0 6px 22px -14px rgba(10,23,18,.30);}
.nav-inner{
  height:72px;
  display:flex;align-items:center;justify-content:space-between;gap:20px;
}
.logo{display:flex;align-items:center;gap:10px;}
.logo-mark{
  display:inline-flex;align-items:center;justify-content:center;
  width:40px;height:40px;border-radius:12px;
  background:var(--ink-900);color:var(--brand-500);
  flex:0 0 auto;
}
.logo-text{display:flex;flex-direction:column;line-height:1.25;}
.logo-main{font-weight:800;font-size:16px;letter-spacing:-.01em;color:var(--ink-900);}
.logo-sub{font-size:11px;color:var(--muted);letter-spacing:.06em;}

.nav-list{display:none;align-items:center;gap:26px;}
@media (min-width:1024px){
  .nav-list{display:flex;}
}
.nav-link{
  position:relative;
  font-size:15px;font-weight:500;color:#3C4642;
  padding:8px 0;
  transition:color .18s ease;
  white-space:nowrap;
}
.nav-link::after{
  content:"";position:absolute;left:0;bottom:0;
  width:100%;height:2px;background:var(--brand-500);
  transform:scaleX(0);transform-origin:left;
  transition:transform .2s ease;
}
.nav-link:hover{color:var(--ink-900);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.active{color:var(--ink-900);font-weight:700;}
.nav-link.active::after{transform:scaleX(1);}

.nav-actions{display:flex;align-items:center;gap:12px;}
.menu-btn{
  display:inline-flex;align-items:center;justify-content:center;
  width:44px;height:44px;border-radius:12px;
  border:1px solid var(--line);background:#fff;color:var(--ink-900);
  transition:border-color .18s ease,box-shadow .18s ease;
}
.menu-btn:hover{border-color:var(--ink-900);}
@media (min-width:1024px){
  .menu-btn{display:none;}
}
@media (max-width:1023px){
  .nav-cta{display:none;}
}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-btn);
  font-weight:700;
  padding:12px 26px;
  font-size:15px;
  transition:background .2s ease,color .2s ease,border-color .2s ease,box-shadow .2s ease,transform .15s ease;
  border:1px solid transparent;
  min-height:44px;
}
.btn svg{transition:transform .2s ease;}
.btn-primary{background:var(--brand-500);color:var(--ink-900);box-shadow:var(--shadow-1);}
.btn-primary:hover{background:var(--brand-600);box-shadow:var(--shadow-2);}
.btn-primary:hover svg{transform:translateX(2px);}
.btn-primary:active{transform:scale(.98);}
.btn-ghost{background:transparent;color:var(--ink-900);border-color:var(--ink-900);}
.btn-ghost:hover{background:var(--ink-900);color:#fff;}
.btn-ghost:active{transform:scale(.98);}
.btn-light{background:var(--brand-500);color:var(--ink-900);}
.btn-light:hover{background:var(--brand-600);}
.btn-outline-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.35);}
.btn-outline-light:hover{background:rgba(255,255,255,.10);border-color:#fff;}
.btn:focus-visible{outline:2px solid var(--brand-500);outline-offset:2px;}
.btn-block{width:100%;}
@media (max-width:640px){
  .btn-block-sm{width:100%;}
}

/* ---------- 徽章 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  height:26px;padding:0 12px;border-radius:var(--r-btn);
  font-size:12px;font-weight:600;letter-spacing:.02em;
}
.badge-brand{background:var(--brand-100);color:#38430F;}
.badge-accent{background:var(--accent-100);color:#A83C0B;}
.badge-neutral{background:#EDEFEA;color:var(--muted);}

/* ---------- 面包屑 ---------- */
.breadcrumb{
  font-size:13px;color:var(--muted);
  display:flex;align-items:center;gap:8px;flex-wrap:wrap;
}
.breadcrumb a{transition:color .18s ease;}
.breadcrumb a:hover{color:var(--ink-900);text-decoration:underline;text-underline-offset:3px;}
.breadcrumb .sep{color:#B9C0B8;}
.breadcrumb .current{color:var(--ink-900);font-weight:600;}

/* ---------- 页面头 ---------- */
.page-head{padding-top:28px;padding-bottom:40px;}
.page-head h1{
  margin-top:18px;
  font-size:34px;font-weight:900;letter-spacing:-.02em;line-height:1.12;
  color:var(--ink-900);
}
.page-head .lead{
  margin-top:14px;
  max-width:640px;
  color:var(--muted);
  font-size:15px;
  line-height:1.9;
}
.page-head .head-actions{margin-top:24px;display:flex;flex-wrap:wrap;gap:12px;}
@media (min-width:1024px){
  .page-head{padding-top:44px;padding-bottom:56px;}
  .page-head h1{font-size:54px;}
  .page-head .lead{font-size:16px;}
}

/* ---------- 正文与侧栏 ---------- */
.layout{
  display:grid;
  grid-template-columns:1fr;
  gap:40px;
  padding-bottom:56px;
}
@media (min-width:1024px){
  .layout{grid-template-columns:7fr 5fr;gap:56px;padding-bottom:96px;}
}
.section-block{padding-bottom:44px;border-bottom:1px solid var(--line);margin-bottom:44px;}
.section-block:last-of-type{border-bottom:0;margin-bottom:0;padding-bottom:0;}
.section-index{
  display:flex;align-items:baseline;gap:14px;
  margin-bottom:16px;
}
.section-index .idx{
  font-size:44px;font-weight:900;line-height:1;
  color:#DCE3D2;letter-spacing:-.03em;
  font-variant-numeric:tabular-nums;
}
.section-block h2{
  font-size:26px;font-weight:800;letter-spacing:-.01em;line-height:1.3;
  color:var(--ink-900);
}
@media (min-width:1024px){
  .section-block h2{font-size:34px;}
  .section-index .idx{font-size:56px;}
}
.section-block p{margin-top:16px;color:#313835;font-size:16px;line-height:1.95;}
.check-list{margin-top:20px;display:grid;gap:12px;}
.check-list li{
  display:flex;gap:10px;align-items:flex-start;
  font-size:15px;color:#313835;line-height:1.8;
}
.check-list li svg{flex:0 0 auto;margin-top:5px;color:var(--cool-500);}
.figure-block{margin-top:26px;}
.figure-block img{
  width:100%;border-radius:var(--r-img);
  border:1px solid var(--line);
  aspect-ratio:16/9;object-fit:cover;
}
.figure-block figcaption{
  margin-top:10px;font-size:13px;color:var(--muted);
}

/* ---------- 侧栏 ---------- */
.side-col{display:flex;flex-direction:column;gap:24px;}
@media (min-width:1024px){
  .side-col{position:sticky;top:104px;align-self:start;}
}
.side-figure img{
  width:100%;aspect-ratio:4/5;object-fit:cover;
  border-radius:var(--r-img);
  border:1px solid var(--line);
}
.side-card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:24px;
  box-shadow:var(--shadow-1);
}
.side-card h3{
  font-size:15px;font-weight:800;color:var(--ink-900);
  letter-spacing:.02em;margin-bottom:14px;
}
.side-links{display:grid;gap:2px;}
.side-links a{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:12px 0;border-bottom:1px dashed var(--line);
  font-size:14px;color:#313835;
  transition:color .18s ease,padding-left .18s ease;
}
.side-links a:last-child{border-bottom:0;}
.side-links a:hover{color:var(--ink-900);padding-left:4px;}
.side-links a svg{color:var(--brand-600);flex:0 0 auto;}

/* ---------- 数据横条 ---------- */
.stat-band{
  background:#EFF2EA;
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
  padding:40px 0;
}
.stat-grid{
  display:grid;grid-template-columns:1fr;gap:28px;
}
@media (min-width:768px){
  .stat-grid{grid-template-columns:repeat(3,1fr);gap:32px;}
}
.stat-item{display:flex;flex-direction:column;gap:8px;position:relative;padding-left:18px;}
.stat-item::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:2px;
  background:var(--brand-500);
}
.stat-item .stat-num{
  font-size:38px;font-weight:900;color:var(--ink-900);
  letter-spacing:-.03em;line-height:1;font-variant-numeric:tabular-nums;
}
.stat-item .stat-num small{font-size:15px;font-weight:700;margin-left:4px;letter-spacing:0;}
.stat-item .stat-label{font-size:15px;font-weight:700;color:var(--ink-900);}
.stat-item .stat-desc{font-size:14px;color:var(--muted);line-height:1.85;}

/* ---------- FAQ ---------- */
.faq-block{padding:56px 0;}
@media (min-width:1024px){
  .faq-block{padding:88px 0;}
}
.faq-head h2{
  font-size:28px;font-weight:800;color:var(--ink-900);letter-spacing:-.01em;
}
@media (min-width:1024px){
  .faq-head h2{font-size:40px;}
}
.faq-head p{margin-top:12px;color:var(--muted);font-size:15px;max-width:620px;}
.faq-list{max-width:860px;margin-top:32px;}
.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 0;text-align:left;
  font-size:16px;font-weight:700;color:var(--ink-900);
  transition:color .18s ease;
}
@media (min-width:1024px){
  .faq-q{font-size:17px;}
}
.faq-q:hover{color:#2A3A18;}
.faq-q:focus-visible{outline:2px solid var(--brand-500);outline-offset:3px;}
.faq-icon{
  flex:0 0 auto;width:22px;height:22px;position:relative;
  transition:transform .24s ease;
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:var(--ink-900);border-radius:2px;
}
.faq-icon::before{left:0;top:10px;width:22px;height:2px;}
.faq-icon::after{left:10px;top:0;width:2px;height:22px;}
.faq-item.is-open .faq-icon{transform:rotate(45deg);}
.faq-a{
  max-height:0;overflow:hidden;
  transition:max-height .24s ease;
}
.faq-a-inner{
  padding:0 0 22px 14px;
  border-left:2px solid var(--brand-500);
  color:var(--muted);
  font-size:15px;line-height:1.9;
}

/* ---------- CTA ---------- */
.cta-band{
  background:var(--ink-900);
  color:#fff;
  padding:56px 0;
}
@media (min-width:1024px){
  .cta-band{padding:80px 0;}
}
.cta-inner{
  display:grid;grid-template-columns:1fr;gap:28px;align-items:center;
}
@media (min-width:1024px){
  .cta-inner{grid-template-columns:7fr 5fr;gap:48px;}
}
.cta-band h2{
  font-size:28px;font-weight:800;letter-spacing:-.01em;line-height:1.25;
}
@media (min-width:1024px){
  .cta-band h2{font-size:40px;}
}
.cta-band p{margin-top:14px;color:rgba(255,255,255,.66);font-size:15px;line-height:1.9;max-width:540px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;}
@media (min-width:1024px){
  .cta-actions{justify-content:flex-end;}
}
.cta-note{
  margin-top:18px;font-size:13px;color:rgba(255,255,255,.5);
  display:flex;align-items:center;gap:8px;
}
.cta-note svg{color:var(--brand-500);}
@media (min-width:1024px){
  .cta-note{justify-content:flex-end;}
}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--ink-900);
  color:rgba(255,255,255,.72);
  padding-top:64px;
  padding-bottom:24px;
  font-size:14px;
}
.footer-grid{
  display:grid;grid-template-columns:1fr;gap:36px;
  padding-bottom:44px;
  border-bottom:1px solid rgba(255,255,255,.08);
}
@media (min-width:768px){
  .footer-grid{grid-template-columns:repeat(2,1fr);}
}
@media (min-width:1024px){
  .footer-grid{grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;}
}
.footer-brand .logo{margin-bottom:18px;}
.footer-logo .logo-mark{background:rgba(255,255,255,.06);color:var(--brand-500);}
.footer-logo .logo-main{color:#fff;}
.footer-logo .logo-sub{color:rgba(255,255,255,.45);}
.footer-desc{color:rgba(255,255,255,.6);font-size:14px;line-height:1.9;max-width:340px;}
.footer-col h3{
  font-size:14px;font-weight:800;color:#fff;letter-spacing:.04em;
  margin-bottom:16px;
}
.footer-col ul{display:grid;gap:10px;}
.footer-col li{color:rgba(255,255,255,.6);}
.footer-col a{
  color:rgba(255,255,255,.72);
  transition:color .18s ease;
}
.footer-col a:hover{color:var(--brand-500);}
.footer-bottom{
  display:flex;flex-direction:column;gap:14px;
  justify-content:space-between;align-items:flex-start;
  padding-top:22px;
  font-size:13px;color:rgba(255,255,255,.45);
}
@media (min-width:768px){
  .footer-bottom{flex-direction:row;align-items:center;}
}
.back-top{
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 16px;border-radius:var(--r-btn);
  border:1px solid rgba(200,241,74,.5);
  color:var(--brand-500);
  font-size:13px;font-weight:600;
  transition:background .2s ease,border-color .2s ease,opacity .2s ease;
  opacity:0;pointer-events:none;
}
.back-top.is-visible{opacity:1;pointer-events:auto;}
.back-top:hover{background:rgba(200,241,74,.12);border-color:var(--brand-500);}

/* ---------- 移动抽屉 ---------- */
.drawer{position:fixed;inset:0;z-index:90;visibility:hidden;}
.drawer.is-open{visibility:visible;}
.drawer-mask{
  position:absolute;inset:0;background:rgba(10,23,18,.45);
  opacity:0;transition:opacity .24s ease;
}
.drawer.is-open .drawer-mask{opacity:1;}
.drawer-panel{
  position:absolute;top:0;right:0;height:100%;width:84%;max-width:340px;
  background:var(--paper);
  transform:translateX(100%);
  transition:transform .26s ease;
  display:flex;flex-direction:column;
  padding:20px;
  overflow-y:auto;
}
.drawer.is-open .drawer-panel{transform:translateX(0);}
.drawer-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px;}
.drawer-close{
  width:44px;height:44px;display:inline-flex;align-items:center;justify-content:center;
  border-radius:12px;border:1px solid var(--line);background:#fff;
}
.drawer-nav{display:grid;gap:4px;}
.drawer-nav a{
  padding:14px 4px;border-bottom:1px solid var(--line);
  font-size:16px;font-weight:600;color:var(--ink-900);
}
.drawer-nav a.active{color:var(--ink-900);box-shadow:inset 3px 0 0 var(--brand-500);padding-left:12px;}
.drawer-cta{margin-top:24px;}
.drawer-note{margin-top:20px;font-size:13px;color:var(--muted);}

@media (prefers-reduced-motion: reduce){
  *{transition:none !important;animation:none !important;scroll-behavior:auto !important;}
}

/* roulang page: article */
*,*::before,*::after{box-sizing:border-box}
:root{
  --ink-900:#0A1712;--ink-800:#12241D;
  --brand-500:#C8F14A;--brand-600:#B2DF2E;--brand-100:#EEFBCB;
  --accent-500:#FF6A2B;--accent-100:#FFE7DA;
  --cool-500:#3FC7B4;
  --paper:#F6F7F3;--card:#FFFFFF;--line:#E2E6DF;
  --text:#14181A;--muted:#6A7370;
  --r-pill:999px;--r-input:12px;--r-card:16px;--r-img:20px;--r-block:24px;
  --sh-1:0 1px 2px rgba(10,23,18,.06);
  --sh-2:0 12px 32px -12px rgba(10,23,18,.18);
  --dur:.2s;
}
html{scroll-behavior:smooth}
body{
  margin:0;background:var(--paper);color:var(--text);
  font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;line-height:1.85;-webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color var(--dur) ease}
button{font-family:inherit;cursor:pointer}
h1,h2,h3,h4{margin:0;line-height:1.2;letter-spacing:-.02em;font-weight:800}
p{margin:0}
ul,ol{margin:0}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
@media(min-width:1024px){.container{padding:0 32px}}

/* ============ 顶部信息条 ============ */
.topbar{background:var(--ink-900);color:#fff;min-height:38px;display:flex;align-items:center}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:6px 20px}
@media(min-width:1024px){.topbar-inner{padding:6px 32px}}
.topbar-left{display:flex;align-items:center;gap:14px;font-size:13px;min-width:0}
.topbar-brand{font-weight:700;color:var(--brand-500);letter-spacing:.04em;white-space:nowrap}
.topbar-note{color:rgba(255,255,255,.62);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.topbar-cta{background:var(--brand-500);color:var(--ink-900);font-size:12px;font-weight:700;padding:5px 15px;border-radius:var(--r-pill);line-height:1.6;white-space:nowrap;transition:background var(--dur) ease}
.topbar-cta:hover{background:var(--brand-600)}
@media(max-width:767px){.topbar-note{display:none}}

/* ============ 主导航 ============ */
.site-header{position:sticky;top:0;z-index:60;background:rgba(246,247,243,.96);border-bottom:1px solid var(--line);transition:box-shadow var(--dur) ease}
.site-header.scrolled{box-shadow:0 8px 22px -16px rgba(10,23,18,.45)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:76px}
.logo{display:inline-flex;align-items:center;gap:10px;min-width:0}
.logo-mark{width:40px;height:40px;flex:none;display:grid;place-items:center;border:1px solid var(--line);border-radius:12px;background:#fff;color:var(--ink-900)}
.logo-text{display:flex;flex-direction:column;line-height:1.18;min-width:0}
.logo-main{font-size:16px;font-weight:800;color:var(--ink-900);letter-spacing:-.01em;white-space:nowrap}
.logo-sub{font-size:11px;color:var(--muted);letter-spacing:.06em;white-space:nowrap}
.nav-list{display:flex;align-items:center;gap:2px}
.nav-link{position:relative;padding:10px 14px;border-radius:var(--r-pill);font-size:15px;color:var(--muted);font-weight:500;white-space:nowrap}
.nav-link::after{content:"";position:absolute;left:14px;right:14px;bottom:5px;height:2px;border-radius:2px;background:var(--brand-500);transform:scaleX(0);transform-origin:left;transition:transform var(--dur) ease}
.nav-link:hover{color:var(--ink-900)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.active{color:var(--ink-900);font-weight:700}
.nav-link.active::after{transform:scaleX(1)}
.header-actions{display:flex;align-items:center;gap:10px}
.menu-btn{width:44px;height:44px;display:grid;place-items:center;border:1px solid var(--line);border-radius:12px;background:#fff;color:var(--ink-900);transition:border-color var(--dur) ease}
.menu-btn:hover{border-color:var(--ink-900)}
.menu-btn:focus-visible{outline:2px solid var(--brand-500);outline-offset:2px}

/* ============ 按钮 ============ */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:var(--r-pill);font-weight:700;font-size:15px;padding:12px 26px;border:1px solid transparent;min-height:44px;transition:background var(--dur) ease,color var(--dur) ease,box-shadow var(--dur) ease,transform var(--dur) ease,border-color var(--dur) ease}
.btn svg{transition:transform var(--dur) ease}
.btn:hover svg{transform:translateX(2px)}
.btn:active{transform:scale(.98)}
.btn:focus-visible{outline:2px solid var(--brand-500);outline-offset:2px}
.btn-primary{background:var(--brand-500);color:var(--ink-900);box-shadow:var(--sh-1)}
.btn-primary:hover{background:var(--brand-600);box-shadow:var(--sh-2)}
.btn-outline{background:transparent;border-color:var(--ink-900);color:var(--ink-900)}
.btn-outline:hover{background:var(--ink-900);color:#fff}
.btn-light{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.24);color:#fff}
.btn-light:hover{background:rgba(255,255,255,.16)}
.btn-sm{padding:8px 18px;font-size:14px;min-height:38px}

/* ============ 徽章 / 标签 ============ */
.badge{display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:var(--r-pill);font-size:12px;font-weight:700;letter-spacing:.02em;white-space:nowrap}
.badge-brand{background:var(--brand-100);color:var(--ink-900)}
.badge-accent{background:var(--accent-100);color:#B8400F}
.badge-muted{background:#EDEFEA;color:var(--muted)}

/* ============ 面包屑 ============ */
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--muted);padding:28px 0 0}
.breadcrumb a{color:var(--muted)}
.breadcrumb a:hover{color:var(--ink-900)}
.breadcrumb .sep{color:#C3C9C1}
.breadcrumb .current{color:var(--ink-900);font-weight:600;max-width:60ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ============ 文章头区 ============ */
.article-head{padding:20px 0 0;max-width:840px}
.article-head h1{font-size:30px;font-weight:900;line-height:1.18;letter-spacing:-.02em;margin:16px 0 0;color:var(--ink-900)}
@media(min-width:768px){.article-head h1{font-size:44px}}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px 16px;font-size:13px;color:var(--muted);margin-top:18px;font-variant-numeric:tabular-nums}
.article-meta .dot{width:3px;height:3px;border-radius:50%;background:#C3C9C1}
.article-cover{margin:32px 0 0}
.article-cover img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:var(--r-img);border:1px solid var(--line)}
.article-cover figcaption{font-size:13px;color:var(--muted);margin-top:12px;text-align:center}

/* ============ 正文布局 ============ */
.article-layout{display:grid;grid-template-columns:minmax(0,1fr);gap:48px;align-items:start;padding:40px 0 0}
@media(min-width:1024px){.article-layout{grid-template-columns:minmax(0,8fr) minmax(0,4fr);gap:56px;padding:48px 0 0}}
.article-content{min-width:0;font-size:16px;line-height:1.9;color:var(--text)}
@media(min-width:1024px){.article-content{max-width:760px}}
.article-content h2{font-size:25px;font-weight:800;letter-spacing:-.01em;margin:40px 0 16px;padding-left:14px;border-left:3px solid var(--brand-500);line-height:1.35}
.article-content h3{font-size:19px;font-weight:700;margin:28px 0 12px;line-height:1.45}
.article-content h4{font-size:17px;font-weight:700;margin:22px 0 10px}
.article-content p{margin:0 0 1.2em}
.article-content ul,.article-content ol{margin:0 0 1.2em;padding-left:22px}
.article-content li{margin-bottom:8px}
.article-content li::marker{color:var(--cool-500)}
.article-content strong{font-weight:700}
.article-content em{font-style:normal;background:var(--brand-100);padding:1px 5px;border-radius:5px}
.article-content blockquote{margin:24px 0;padding:18px 22px;background:var(--brand-100);border-left:3px solid var(--brand-500);border-radius:0 var(--r-input) var(--r-input) 0;color:#2C3A31;font-size:15.5px}
.article-content blockquote p:last-child{margin-bottom:0}
.article-content img{border-radius:var(--r-img);margin:22px 0;border:1px solid var(--line)}
.article-content figure{margin:24px 0}
.article-content figcaption{font-size:13px;color:var(--muted);text-align:center;margin-top:10px}
.article-content a{color:var(--ink-900);border-bottom:1px solid var(--cool-500);padding-bottom:1px}
.article-content a:hover{background:var(--brand-100)}
.article-content code{background:#EDEFEA;border-radius:6px;padding:2px 6px;font-size:14px;font-family:ui-monospace,SFMono-Regular,Menlo,monospace}
.article-content pre{background:var(--ink-900);color:#E8EFE3;padding:20px 22px;border-radius:var(--r-card);overflow-x:auto;font-size:14px;line-height:1.75;margin:0 0 1.2em}
.article-content pre code{background:none;color:inherit;padding:0}
.article-content table{width:100%;border-collapse:collapse;margin:0 0 1.4em;font-size:15px;overflow:hidden;border-radius:var(--r-input);border:1px solid var(--line)}
.article-content thead th{background:var(--ink-900);color:#fff;font-weight:700;text-align:left}
.article-content th,.article-content td{padding:12px 16px;border-bottom:1px solid var(--line)}
.article-content tbody tr:nth-child(even){background:#FAFBF8}
.article-content tbody tr:last-child td{border-bottom:0}
.article-content hr{border:0;border-top:1px solid var(--line);margin:36px 0}

/* 空态 */
.empty-state{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:18px;min-height:300px;text-align:center;border:1px dashed var(--line);border-radius:var(--r-block);background:#fff;padding:40px 24px}
.empty-state .empty-icon{width:48px;height:48px;display:grid;place-items:center;border-radius:50%;background:var(--brand-100);color:var(--ink-900)}
.empty-state p{font-size:15px;color:var(--muted)}

/* ============ 侧栏 ============ */
.article-side{min-width:0}
@media(min-width:1024px){.article-side{position:sticky;top:104px}}
.side-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);padding:22px 24px;box-shadow:var(--sh-1)}
.side-card + .side-card{margin-top:20px}
.side-title{font-size:15px;font-weight:800;display:flex;align-items:center;gap:9px;margin-bottom:14px;letter-spacing:.01em}
.side-title::before{content:"";width:14px;height:2px;border-radius:2px;background:var(--brand-500);flex:none}
.side-nav{list-style:none;padding:0}
.side-nav li + li{border-top:1px dashed var(--line)}
.side-nav a{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:11px 0;font-size:14px;color:var(--muted)}
.side-nav a:hover{color:var(--ink-900)}
.side-nav a span.num{font-size:12px;color:#AEB6AC;font-variant-numeric:tabular-nums}
.side-list{list-style:none;padding:0}
.side-list li{padding:11px 0;border-bottom:1px dashed var(--line)}
.side-list li:last-child{border-bottom:0;padding-bottom:0}
.side-list a{font-size:14px;font-weight:600;color:var(--ink-900);display:block;line-height:1.6}
.side-list a:hover{color:#3F4A42}
.side-list .side-note{display:block;font-size:12px;color:var(--muted);margin-top:4px;font-variant-numeric:tabular-nums}
.side-card-dark{background:var(--ink-900);border-color:rgba(255,255,255,.08);color:#fff;box-shadow:none}
.side-card-dark .side-title{color:#fff}
.side-card-dark p{font-size:14px;color:rgba(255,255,255,.62);line-height:1.85}
.side-card-dark .btn{margin-top:16px;width:100%}

/* ============ 文末标签 / 分享 ============ */
.article-foot{margin-top:48px;padding-top:28px;border-top:1px solid var(--line);display:flex;flex-wrap:wrap;gap:20px;align-items:center;justify-content:space-between}
.tag-row{display:flex;flex-wrap:wrap;gap:8px}
.tag{display:inline-flex;align-items:center;height:28px;padding:0 13px;border-radius:var(--r-pill);background:#fff;border:1px solid var(--line);font-size:13px;color:var(--muted);transition:all var(--dur) ease}
.tag:hover{border-color:var(--ink-900);color:var(--ink-900)}
.share-row{display:flex;align-items:center;gap:10px}
.share-row .share-label{font-size:13px;color:var(--muted)}
.share-btn{width:38px;height:38px;display:grid;place-items:center;border-radius:50%;border:1px solid var(--line);background:#fff;color:var(--muted);transition:all var(--dur) ease}
.share-btn:hover{border-color:var(--brand-500);color:var(--ink-900);background:var(--brand-100)}
.share-btn:focus-visible{outline:2px solid var(--brand-500);outline-offset:2px}

/* ============ 相关推荐 ============ */
.section-block{margin-top:72px}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;flex-wrap:wrap}
.section-head h2{font-size:26px;font-weight:800;letter-spacing:-.02em}
@media(min-width:768px){.section-head h2{font-size:32px}}
.section-head .section-sub{font-size:14px;color:var(--muted);margin-top:8px}
.rel-grid{display:grid;grid-template-columns:1fr;gap:24px;margin-top:28px}
@media(min-width:640px){.rel-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(min-width:1024px){.rel-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}
.rel-card{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1);transition:transform var(--dur) ease,box-shadow var(--dur) ease,border-color var(--dur) ease}
.rel-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:#D3D9CF}
.rel-thumb{aspect-ratio:16/9;overflow:hidden;background:#EDEFEA}
.rel-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.rel-card:hover .rel-thumb img{transform:scale(1.03)}
.rel-body{padding:20px 22px 24px;display:flex;flex-direction:column;gap:10px;flex:1}
.rel-body h3{font-size:17px;font-weight:700;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.rel-body p{font-size:14px;color:var(--muted);line-height:1.8;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.rel-meta{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--muted);margin-top:auto;font-variant-numeric:tabular-nums}
.rel-meta .dot{width:3px;height:3px;border-radius:50%;background:#C3C9C1}

/* ============ 返回入口 CTA ============ */
.back-links{margin-top:72px;background:#fff;border:1px solid var(--line);border-radius:var(--r-block);padding:36px 28px;display:flex;flex-wrap:wrap;gap:20px;align-items:center;justify-content:space-between}
.back-links h2{font-size:20px;font-weight:800}
.back-links p{font-size:14px;color:var(--muted);margin-top:8px}
.back-links .btn-row{display:flex;flex-wrap:wrap;gap:12px}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink-900);color:#fff;margin-top:96px;padding:72px 0 0}
.footer-grid{display:grid;grid-template-columns:1fr;gap:40px}
@media(min-width:768px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1fr;gap:32px}}
.footer-logo .logo-mark{border-color:rgba(255,255,255,.14);background:rgba(255,255,255,.04);color:var(--brand-500)}
.footer-logo .logo-main{color:#fff}
.footer-logo .logo-sub{color:rgba(255,255,255,.5)}
.footer-desc{font-size:14px;color:rgba(255,255,255,.6);line-height:1.9;margin-top:18px;max-width:330px}
.footer-col h3{font-size:14px;font-weight:700;color:#fff;margin-bottom:16px;letter-spacing:.04em}
.footer-col ul{list-style:none;margin:0;padding:0;display:grid;gap:10px}
.footer-col li{font-size:14px;color:rgba(255,255,255,.58);line-height:1.7}
.footer-col a{font-size:14px;color:rgba(255,255,255,.58)}
.footer-col a:hover{color:var(--brand-500)}
.footer-bottom{margin-top:56px;border-top:1px solid rgba(255,255,255,.08);padding:20px 0 28px;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:14px;font-size:13px;color:rgba(255,255,255,.42)}
.back-top{display:inline-flex;align-items:center;gap:6px;font-size:13px;color:var(--brand-500);border:1px solid rgba(200,241,74,.4);border-radius:var(--r-pill);padding:7px 15px;transition:background var(--dur) ease}
.back-top:hover{background:rgba(200,241,74,.12)}

/* ============ 移动端抽屉 ============ */
.drawer-overlay{position:fixed;inset:0;background:rgba(10,23,18,.5);opacity:0;visibility:hidden;transition:opacity var(--dur) ease,visibility var(--dur) ease;z-index:70}
.drawer-overlay.open{opacity:1;visibility:visible}
.drawer{position:fixed;top:0;right:0;bottom:0;width:300px;max-width:86vw;background:#fff;z-index:80;transform:translateX(100%);transition:transform .28s ease;display:flex;flex-direction:column;padding:24px 22px;overflow-y:auto}
.drawer.open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding-bottom:18px;border-bottom:1px solid var(--line)}
.drawer-close{width:44px;height:44px;display:grid;place-items:center;border:1px solid var(--line);border-radius:12px;background:#fff;color:var(--ink-900)}
.drawer-nav{display:flex;flex-direction:column;padding:16px 0;gap:4px}
.drawer-nav a{padding:13px 4px;font-size:16px;font-weight:600;color:var(--ink-900);border-bottom:1px dashed var(--line)}
.drawer-nav a:hover{color:var(--cool-500)}
.drawer-cta{margin-top:auto;width:100%}

@media(prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
}

/* roulang page: category3 */
:root{
    --ink-900:#0A1712;
    --ink-800:#12241D;
    --brand-500:#C8F14A;
    --brand-600:#B2DF2E;
    --brand-100:#EEFBCB;
    --accent-500:#FF6A2B;
    --accent-100:#FFE7DA;
    --cool-500:#3FC7B4;
    --paper:#F6F7F3;
    --card:#FFFFFF;
    --line:#E2E6DF;
    --text:#14181A;
    --muted:#6A7370;
    --radius-card:16px;
    --radius-block:24px;
    --shadow-soft:0 1px 2px rgba(10,23,18,.06);
    --shadow-hover:0 12px 32px -12px rgba(10,23,18,.18);
  }
  *,*::before,*::after{box-sizing:border-box;}
  html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
  body{
    margin:0;
    font-family:'PingFang SC','HarmonyOS Sans','Microsoft YaHei','Noto Sans SC',system-ui,sans-serif;
    background:var(--paper);
    color:var(--text);
    font-size:16px;
    line-height:1.9;
    -webkit-font-smoothing:antialiased;
    font-variant-numeric:tabular-nums;
  }
  img{max-width:100%;display:block;}
  a{color:inherit;text-decoration:none;}
  button,input,select,textarea{font:inherit;color:inherit;}
  ul,ol{margin:0;padding:0;list-style:none;}
  h1,h2,h3,h4,p{margin:0;}
  h1,h2,h3{letter-spacing:-0.02em;}
  .container{max-width:1200px;margin:0 auto;padding-left:20px;padding-right:20px;}
  @media (min-width:1024px){.container{padding-left:32px;padding-right:32px;}}
  .section{padding-top:56px;padding-bottom:56px;}
  @media (min-width:1024px){.section{padding-top:96px;padding-bottom:96px;}}
  .section-tight{padding-top:40px;padding-bottom:40px;}
  @media (min-width:1024px){.section-tight{padding-top:64px;padding-bottom:64px;}}
  .h1{font-size:32px;font-weight:900;line-height:1.12;}
  @media (min-width:768px){.h1{font-size:44px;}}
  @media (min-width:1024px){.h1{font-size:58px;}}
  .h2{font-size:26px;font-weight:800;line-height:1.2;}
  @media (min-width:1024px){.h2{font-size:40px;}}
  .h3{font-size:19px;font-weight:700;line-height:1.4;}
  @media (min-width:1024px){.h3{font-size:22px;}}
  .muted{color:var(--muted);}
  .small{font-size:13px;line-height:1.7;}

  /* 顶部信息条 */
  .topbar{background:var(--ink-900);color:#fff;}
  .topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:40px;padding:6px 0;}
  .topbar-brand{display:flex;align-items:center;gap:10px;font-size:13px;font-weight:700;}
  .topbar-brand svg{color:var(--brand-500);}
  .topbar-note{font-size:13px;color:rgba(255,255,255,.62);}
  .topbar-cta{
    display:inline-flex;align-items:center;gap:6px;
    background:var(--brand-500);color:var(--ink-900);
    border-radius:999px;padding:6px 16px;font-size:13px;font-weight:700;
    transition:background .2s ease,transform .15s ease;
  }
  .topbar-cta:hover{background:var(--brand-600);}
  .topbar-cta:active{transform:scale(.97);}
  @media (max-width:767px){.topbar-note{display:none;}}

  /* 主导航 */
  .site-header{position:sticky;top:0;z-index:50;background:rgba(246,247,243,.96);border-bottom:1px solid var(--line);transition:box-shadow .25s ease;}
  .site-header.scrolled{box-shadow:0 6px 20px -14px rgba(10,23,18,.35);}
  .nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:72px;}
  .logo{display:flex;align-items:center;gap:10px;}
  .logo-mark{
    width:38px;height:38px;display:flex;align-items:center;justify-content:center;
    border:1px solid var(--ink-900);border-radius:12px;color:var(--ink-900);flex:0 0 auto;
  }
  .logo-text{display:flex;flex-direction:column;line-height:1.15;}
  .logo-main{font-size:16px;font-weight:900;letter-spacing:-0.01em;}
  .logo-sub{font-size:11px;color:var(--muted);letter-spacing:.06em;}
  .nav-list{display:flex;align-items:center;gap:6px;}
  .nav-link{
    position:relative;display:inline-flex;align-items:center;height:44px;
    padding:0 14px;font-size:15px;color:#2A322E;border-radius:999px;
    transition:color .2s ease,background .2s ease;
  }
  .nav-link::after{
    content:"";position:absolute;left:14px;right:14px;bottom:8px;height:2px;
    background:var(--brand-500);transform:scaleX(0);transform-origin:left;
    transition:transform .24s ease;border-radius:2px;
  }
  .nav-link:hover{color:var(--ink-900);background:rgba(10,23,18,.04);}
  .nav-link:hover::after{transform:scaleX(1);}
  .nav-link.active{font-weight:700;color:var(--ink-900);}
  .nav-link.active::after{transform:scaleX(1);}
  .nav-link:focus-visible{outline:2px solid var(--brand-500);outline-offset:2px;}
  .header-cta{
    display:inline-flex;align-items:center;gap:8px;height:44px;padding:0 22px;
    background:var(--brand-500);color:var(--ink-900);border-radius:999px;font-weight:700;font-size:15px;
    transition:background .2s ease,box-shadow .2s ease,transform .15s ease;
  }
  .header-cta:hover{background:var(--brand-600);box-shadow:var(--shadow-hover);}
  .header-cta:active{transform:scale(.98);}
  .header-cta:focus-visible{outline:2px solid var(--brand-500);outline-offset:2px;}
  .header-cta svg{transition:transform .2s ease;}
  .header-cta:hover svg{transform:translateX(2px);}
  .burger{
    width:44px;height:44px;display:inline-flex;align-items:center;justify-content:center;
    border:1px solid var(--line);border-radius:12px;background:#fff;
  }
  .burger:focus-visible{outline:2px solid var(--brand-500);outline-offset:2px;}

  /* 移动端抽屉 */
  .drawer-mask{
    position:fixed;inset:0;background:rgba(10,23,18,.45);opacity:0;visibility:hidden;
    transition:opacity .28s ease,visibility .28s ease;z-index:80;
  }
  .drawer-mask.open{opacity:1;visibility:visible;}
  .drawer{
    position:fixed;top:0;right:0;height:100%;width:min(84vw,340px);background:var(--paper);
    transform:translateX(100%);transition:transform .3s cubic-bezier(.22,.7,.3,1);
    z-index:90;display:flex;flex-direction:column;padding:22px 22px 28px;overflow-y:auto;
    border-left:1px solid var(--line);
  }
  .drawer.open{transform:translateX(0);}
  .drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px;}
  .drawer-close{width:44px;height:44px;display:inline-flex;align-items:center;justify-content:center;border:1px solid var(--line);border-radius:12px;background:#fff;}
  .drawer-note{font-size:13px;color:var(--muted);padding:12px 0 18px;border-bottom:1px solid var(--line);margin-bottom:12px;}
  .drawer-link{
    display:flex;align-items:center;justify-content:space-between;
    min-height:52px;padding:0 4px;border-bottom:1px solid var(--line);font-size:16px;font-weight:600;
  }
  .drawer-link.active{color:var(--ink-900);}
  .drawer-link.active::before{
    content:"";width:6px;height:6px;border-radius:999px;background:var(--brand-500);margin-right:8px;
  }
  .drawer-link span.tag{font-size:12px;color:var(--muted);font-weight:400;}
  .drawer-cta{
    margin-top:24px;display:flex;align-items:center;justify-content:center;gap:8px;
    height:50px;background:var(--ink-900);color:#fff;border-radius:999px;font-weight:700;
  }

  /* 面包屑与栏目标题条 */
  .crumb{font-size:13px;color:var(--muted);display:flex;flex-wrap:wrap;align-items:center;gap:8px;}
  .crumb a{color:var(--muted);}
  .crumb a:hover{color:var(--ink-900);text-decoration:underline;text-underline-offset:3px;}
  .crumb .sep{color:#C3C9C4;}
  .crumb .current{color:var(--text);font-weight:600;}
  .kicker{
    display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:700;letter-spacing:.12em;
    text-transform:uppercase;color:var(--ink-900);
    background:var(--brand-100);border-radius:999px;padding:6px 14px;
  }

  /* 装饰：跑道虚线 / 刻度线 */
  .track-line{
    height:1px;width:100%;
    background-image:linear-gradient(to right,rgba(10,23,18,.28) 0 14px,transparent 14px 26px);
    background-size:26px 1px;background-repeat:repeat-x;
  }
  .scale-strip{display:flex;align-items:flex-end;gap:6px;height:34px;}
  .scale-strip i{display:block;width:2px;background:rgba(10,23,18,.18);border-radius:2px;}
  .scale-strip i.hi{background:var(--brand-500);}

  /* 按钮 */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    min-height:48px;padding:0 26px;border-radius:999px;font-weight:700;font-size:15px;
    border:1px solid transparent;cursor:pointer;
    transition:background .2s ease,color .2s ease,border-color .2s ease,box-shadow .2s ease,transform .15s ease;
  }
  .btn svg{transition:transform .2s ease;}
  .btn:hover svg{transform:translateX(2px);}
  .btn:active{transform:scale(.98);}
  .btn:focus-visible{outline:2px solid var(--brand-500);outline-offset:2px;}
  .btn-primary{background:var(--brand-500);color:var(--ink-900);}
  .btn-primary:hover{background:var(--brand-600);box-shadow:var(--shadow-hover);}
  .btn-ghost{background:transparent;color:var(--ink-900);border-color:var(--ink-900);}
  .btn-ghost:hover{background:var(--ink-900);color:#fff;}
  .btn-light{background:#fff;color:var(--ink-900);}
  .btn-light:hover{background:var(--brand-500);}
  .btn-outline-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.35);}
  .btn-outline-light:hover{background:#fff;color:var(--ink-900);border-color:#fff;}
  .link-arrow{display:inline-flex;align-items:center;gap:6px;font-weight:700;font-size:14px;color:var(--ink-900);}
  .link-arrow svg{transition:transform .2s ease;}
  .link-arrow:hover svg{transform:translateX(3px);}
  .link-arrow:hover{text-decoration:underline;text-underline-offset:4px;}

  /* 徽章 */
  .badge{display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 12px;border-radius:999px;font-size:12px;font-weight:700;}
  .badge-brand{background:var(--brand-100);color:var(--ink-900);}
  .badge-accent{background:var(--accent-100);color:#B8410C;}
  .badge-neutral{background:#EEF0EC;color:var(--muted);}

  /* H1 区 */
  .hero-cat{background:#fff;border-bottom:1px solid var(--line);position:relative;overflow:hidden;}
  .hero-cat-inner{position:relative;z-index:2;padding-top:36px;padding-bottom:44px;}
  @media (min-width:1024px){.hero-cat-inner{padding-top:56px;padding-bottom:72px;}}
  .hero-grid{display:grid;gap:32px;grid-template-columns:1fr;}
  @media (min-width:1024px){.hero-grid{grid-template-columns:minmax(0,7fr) minmax(0,5fr);align-items:end;gap:48px;}}
  .hero-lead{font-size:16px;line-height:1.9;color:#2F3833;max-width:640px;}
  .hero-banner{border-radius:20px;overflow:hidden;border:1px solid var(--line);aspect-ratio:16/9;}
  .hero-banner img{width:100%;height:100%;object-fit:cover;}
  .hero-deco{position:absolute;right:-40px;top:-30px;opacity:.5;pointer-events:none;}

  /* 数据条 */
  .stat-strip{
    background:#fff;border:1px solid var(--line);border-radius:var(--radius-block);
    padding:28px 24px;display:grid;grid-template-columns:1fr;gap:24px;
  }
  @media (min-width:768px){.stat-strip{grid-template-columns:repeat(3,1fr);padding:32px 40px;}}
  .stat-num{font-size:34px;font-weight:900;line-height:1;color:var(--ink-900);font-variant-numeric:tabular-nums;}
  @media (min-width:1024px){.stat-num{font-size:44px;}}
  .stat-num em{font-style:normal;font-size:16px;font-weight:700;margin-left:4px;color:var(--muted);}

  /* 对比卡 */
  .compare-grid{display:grid;gap:20px;grid-template-columns:1fr;align-items:start;}
  @media (min-width:1024px){
    .compare-grid{grid-template-columns:repeat(12,1fr);gap:24px;}
    .plan-a{grid-column:span 4;}
    .plan-b{grid-column:span 3;}
    .plan-c{grid-column:span 5;}
  }
  .plan{
    background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
    padding:26px 24px;box-shadow:var(--shadow-soft);
    transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
    position:relative;height:100%;
  }
  .plan:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);}
  .plan-featured{border-color:var(--brand-500);box-shadow:0 0 0 1px var(--brand-500),var(--shadow-soft);}
  .plan-featured::before{
    content:"";position:absolute;left:0;right:0;top:0;height:3px;background:var(--brand-500);
    border-radius:var(--radius-card) var(--radius-card) 0 0;
  }
  .plan-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:6px;}
  .plan-title{font-size:20px;font-weight:800;}
  .plan-sub{font-size:13px;color:var(--muted);margin-bottom:18px;}
  .plan-list{border-top:1px solid var(--line);}
  .plan-list li{display:flex;gap:12px;padding:12px 0;border-bottom:1px solid var(--line);font-size:14px;line-height:1.7;}
  .plan-list li:last-child{border-bottom:0;}
  .plan-list dt,.plan-list .k{flex:0 0 76px;color:var(--muted);font-size:13px;}
  .plan-list .v{flex:1;color:#242B27;}
  .plan-foot{margin-top:20px;}
  .plan-foot .btn{width:100%;}

  /* 折叠面板 */
  .accordion{max-width:900px;}
  .acc-item{border-bottom:1px solid var(--line);}
  .acc-trigger{
    width:100%;display:flex;align-items:flex-start;justify-content:space-between;gap:16px;
    padding:22px 0;background:none;border:0;cursor:pointer;text-align:left;
    font-size:16px;font-weight:700;line-height:1.5;color:var(--ink-900);
    min-height:44px;
  }
  @media (min-width:1024px){.acc-trigger{font-size:17px;}}
  .acc-trigger:focus-visible{outline:2px solid var(--brand-500);outline-offset:2px;border-radius:8px;}
  .acc-trigger:hover .acc-plus{border-color:var(--ink-900);}
  .acc-plus{
    flex:0 0 auto;width:28px;height:28px;margin-top:2px;border:1px solid var(--line);border-radius:999px;
    display:inline-flex;align-items:center;justify-content:center;color:var(--ink-900);
    transition:transform .24s ease,border-color .24s ease,background .24s ease;
  }
  .acc-item.open .acc-plus{transform:rotate(45deg);background:var(--brand-100);border-color:var(--brand-500);}
  .acc-panel{
    display:grid;grid-template-rows:0fr;transition:grid-template-rows .24s ease;
  }
  .acc-item.open .acc-panel{grid-template-rows:1fr;}
  .acc-panel-inner{overflow:hidden;}
  .acc-body{
    padding:0 0 24px 18px;border-left:2px solid var(--brand-500);
    font-size:15px;line-height:1.88;color:var(--muted);max-width:820px;
  }
  .acc-body p + p{margin-top:10px;}

  /* 图片横滑带 */
  .gallery-strip{
    display:grid;grid-auto-flow:column;grid-auto-columns:minmax(260px,1fr);
    gap:16px;overflow-x:auto;padding-bottom:12px;
    scroll-snap-type:x mandatory;-webkit-overflow-scrolling:touch;
  }
  .gallery-strip::-webkit-scrollbar{height:6px;}
  .gallery-strip::-webkit-scrollbar-track{background:var(--line);border-radius:999px;}
  .gallery-strip::-webkit-scrollbar-thumb{background:#C3C9C4;border-radius:999px;}
  @media (min-width:1024px){.gallery-strip{grid-auto-columns:1fr;overflow:visible;padding-bottom:0;}}
  .gallery-item{scroll-snap-align:start;}
  .gallery-frame{
    border-radius:20px;overflow:hidden;border:1px solid var(--line);aspect-ratio:4/3;background:#fff;
  }
  .gallery-frame img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
  .gallery-item:hover .gallery-frame img{transform:scale(1.03);}
  .gallery-cap{margin-top:12px;font-size:13px;color:var(--muted);line-height:1.7;}

  /* 深色 CTA */
  .cta-dark{
    background:var(--ink-900);color:#fff;border-radius:var(--radius-block);
    padding:34px 24px;position:relative;overflow:hidden;
  }
  @media (min-width:1024px){.cta-dark{padding:56px 56px;}}
  .cta-dark .h2{color:#fff;}
  .cta-dark .muted-light{color:rgba(255,255,255,.68);font-size:15px;line-height:1.9;}
  .cta-points li{display:flex;gap:10px;font-size:15px;color:rgba(255,255,255,.86);line-height:1.8;padding:8px 0;}
  .cta-points svg{flex:0 0 auto;margin-top:6px;color:var(--brand-500);}
  .cta-alert{
    display:flex;align-items:center;gap:10px;font-size:13px;font-weight:700;color:#B8410C;
    background:var(--accent-100);border-radius:999px;padding:7px 16px;
  }
  .cta-wave{position:absolute;left:0;right:0;bottom:0;height:60px;opacity:.35;pointer-events:none;}

  /* 页脚 */
  .site-footer{background:var(--ink-900);color:rgba(255,255,255,.78);padding-top:56px;margin-top:0;}
  .footer-grid{display:grid;gap:32px;grid-template-columns:1fr;padding-bottom:40px;}
  @media (min-width:768px){.footer-grid{grid-template-columns:repeat(2,1fr);}}
  @media (min-width:1024px){.footer-grid{grid-template-columns:2fr 1fr 1fr 1.2fr;gap:40px;}}
  .footer-logo{color:#fff;}
  .footer-logo .logo-mark{border-color:rgba(255,255,255,.35);color:var(--brand-500);}
  .footer-logo .logo-main{color:#fff;}
  .footer-logo .logo-sub{color:rgba(255,255,255,.5);}
  .footer-desc{font-size:14px;line-height:1.9;color:rgba(255,255,255,.6);margin-top:16px;max-width:340px;}
  .footer-col h3{font-size:14px;font-weight:700;color:#fff;margin-bottom:16px;letter-spacing:.04em;}
  .footer-col ul li{padding:7px 0;font-size:14px;}
  .footer-col ul li a{color:rgba(255,255,255,.68);transition:color .2s ease;}
  .footer-col ul li a:hover{color:var(--brand-500);}
  .footer-col ul li a:focus-visible{outline:2px solid var(--brand-500);outline-offset:2px;border-radius:4px;}
  .footer-bottom{
    border-top:1px solid rgba(255,255,255,.08);padding:20px 0 28px;
    display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between;
    font-size:13px;color:rgba(255,255,255,.45);
  }
  .back-top{
    display:inline-flex;align-items:center;gap:8px;border:1px solid var(--brand-500);color:var(--brand-500);
    border-radius:999px;padding:7px 16px;font-size:13px;font-weight:700;
    transition:background .2s ease,color .2s ease;
  }
  .back-top:hover{background:var(--brand-500);color:var(--ink-900);}
  .back-top:focus-visible{outline:2px solid var(--brand-500);outline-offset:2px;}

  /* 滚动进入 */
  .fade-up{opacity:0;transform:translateY(12px);transition:opacity .4s ease-out,transform .4s ease-out;}
  .fade-up.visible{opacity:1;transform:none;}

  @media (prefers-reduced-motion: reduce){
    *,*::before,*::after{animation-duration:.001ms !important;transition-duration:.001ms !important;}
    .fade-up{opacity:1;transform:none;}
    html{scroll-behavior:auto;}
  }

  /* 抽屉滚动锁定 */
  body.no-scroll{overflow:hidden;}

/* roulang page: category2 */
:root{
  --ink-900:#0A1712;
  --ink-800:#12241D;
  --brand-500:#C8F14A;
  --brand-600:#B2DF2E;
  --brand-100:#EEFBCB;
  --accent-500:#FF6A2B;
  --accent-100:#FFE7DA;
  --cool-500:#3FC7B4;
  --paper:#F6F7F3;
  --card:#FFFFFF;
  --line:#E2E6DF;
  --text:#14181A;
  --muted:#6A7370;
  --radius-input:12px;
  --radius-card:16px;
  --radius-img:20px;
  --radius-block:24px;
  --shadow-1:0 1px 2px rgba(10,23,18,.06);
  --shadow-2:0 12px 32px -12px rgba(10,23,18,.18);
  --ease:cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
html body{
  margin:0;
  background:var(--paper);
  color:var(--text);
  font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.9;
  -webkit-font-smoothing:antialiased;
}
body h1,body h2,body h3,body h4{
  margin:0;
  letter-spacing:-.02em;
  line-height:1.15;
  color:var(--text);
}
body h1{font-size:clamp(32px,5.2vw,60px);font-weight:900}
body h2{font-size:clamp(26px,3.4vw,42px);font-weight:800}
body h3{font-size:clamp(18px,2vw,22px);font-weight:700}
body h4{font-size:16px;font-weight:700}
body p{margin:0}
body ul,body ol{margin:0;padding:0;list-style:none}
body a{color:inherit;text-decoration:none}
body img{display:block;max-width:100%;height:auto}
body button,body input,body textarea,body select{font:inherit;color:inherit}
.num{font-variant-numeric:tabular-nums}
.container,.wrap{
  width:100%;
  max-width:1200px !important;
  margin-left:auto !important;
  margin-right:auto !important;
  padding-left:20px;
  padding-right:20px;
}
@media (min-width:768px){
  .container,.wrap{padding-left:32px;padding-right:32px;}
}
.section{padding:56px 0}
@media (min-width:768px){.section{padding:96px 0}}
.section-tight{padding:40px 0}
@media (min-width:768px){.section-tight{padding:64px 0}}
.section-alt{background:#FFFFFF;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible,summary:focus-visible{
  outline:2px solid var(--brand-500);
  outline-offset:2px;
  border-radius:6px;
}

/* ============ 顶部信息条 ============ */
.topbar{background:var(--ink-900);color:rgba(255,255,255,.82);font-size:13px;line-height:1.4}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:40px;padding-top:6px;padding-bottom:6px}
.topbar-left{display:flex;align-items:center;gap:12px;min-width:0}
.topbar-brand{color:#fff;font-weight:700;letter-spacing:.02em;white-space:nowrap}
.topbar-sep{width:1px;height:14px;background:rgba(255,255,255,.18)}
.topbar-note{color:rgba(255,255,255,.62);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.topbar-cta{
  display:inline-flex;align-items:center;gap:6px;
  background:var(--brand-500);color:var(--ink-900);
  font-weight:700;font-size:13px;padding:7px 16px;border-radius:999px;
  transition:background .2s var(--ease),transform .15s var(--ease);
  white-space:nowrap;
}
.topbar-cta:hover{background:var(--brand-600)}
.topbar-cta:active{transform:scale(.98)}
@media (max-width:767px){.topbar-note,.topbar-sep{display:none}}

/* ============ 主导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:#FFFFFF;
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s var(--ease);
}
.site-header.is-scrolled{box-shadow:0 8px 24px -18px rgba(10,23,18,.35)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:72px}
.logo{display:flex;align-items:center;gap:10px}
.logo-mark{
  width:38px;height:38px;flex:0 0 38px;display:grid;place-items:center;
  border-radius:11px;background:var(--ink-900);color:var(--brand-500);
}
.logo-text{display:flex;flex-direction:column;line-height:1.25}
.logo-main{font-size:15px;font-weight:800;letter-spacing:-.01em;color:var(--ink-900)}
.logo-sub{font-size:11px;color:var(--muted);letter-spacing:.06em}
.nav-list{display:flex;align-items:center;gap:28px}
.nav-link{
  position:relative;display:inline-block;padding:8px 0;
  font-size:15px;font-weight:500;color:#2C3330;
  transition:color .2s var(--ease);
}
.nav-link::after{
  content:"";position:absolute;left:0;bottom:2px;height:2px;width:0;
  background:var(--brand-500);transition:width .2s var(--ease);
}
.nav-link:hover{color:var(--ink-900)}
.nav-link:hover::after{width:100%}
.nav-link.active{font-weight:700;color:var(--ink-900)}
.nav-link.active::after{width:100%}
.nav-actions{display:flex;align-items:center;gap:12px}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:999px;font-weight:700;font-size:15px;
  padding:12px 26px;border:1px solid transparent;cursor:pointer;
  transition:background .2s var(--ease),color .2s var(--ease),transform .15s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
  min-height:44px;
}
.btn-primary{background:var(--brand-500);color:var(--ink-900);box-shadow:var(--shadow-1)}
.btn-primary:hover{background:var(--brand-600);box-shadow:var(--shadow-2)}
.btn-primary:active{transform:scale(.98)}
.btn-primary .btn-arrow{transition:transform .2s var(--ease)}
.btn-primary:hover .btn-arrow{transform:translateX(2px)}
.btn-ghost{background:transparent;color:var(--ink-900);border-color:var(--ink-900)}
.btn-ghost:hover{background:var(--ink-900);color:#fff}
.btn-ghost-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.4)}
.btn-ghost-light:hover{background:#fff;color:var(--ink-900);border-color:#fff}
.btn-text{
  display:inline-flex;align-items:center;gap:6px;font-weight:700;font-size:15px;color:var(--ink-900);
  padding:6px 0;
}
.btn-text svg{transition:transform .2s var(--ease)}
.btn-text:hover svg{transform:translateX(3px)}
.btn-sm{padding:9px 18px;font-size:14px;min-height:40px}
.btn-block{width:100%}

/* 徽章 与 标签 */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12px;font-weight:700;line-height:1;
  padding:6px 12px;border-radius:999px;letter-spacing:.02em;
}
.badge-status{background:var(--brand-100);color:#3D4A16}
.badge-time{background:var(--accent-100);color:#A63C10}
.badge-cat{background:#EFF1EC;color:#5E6663}
.pill-row{display:flex;flex-wrap:wrap;gap:10px}
.pill{
  display:inline-flex;align-items:center;gap:7px;
  border:1px solid var(--line);background:#fff;border-radius:999px;
  padding:8px 15px;font-size:13px;color:#3B4340;
}
.pill .dot{width:6px;height:6px;border-radius:50%;background:var(--brand-500)}

/* ============ 页面头 ============ */
.page-hero{
  position:relative;
  background-image:linear-gradient(rgba(246,247,243,.93),rgba(246,247,243,.985)),url("/assets/images/backpic/back-1.webp");
  background-size:cover;background-position:center;
  border-bottom:1px solid var(--line);
  padding:44px 0 56px;
}
@media (min-width:768px){.page-hero{padding:56px 0 88px}}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--muted);margin-bottom:22px}
.breadcrumb a{color:var(--muted)}
.breadcrumb a:hover{color:var(--ink-900)}
.breadcrumb .current{color:#3B4340;font-weight:600}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:700;letter-spacing:.14em;
  color:#4A5440;background:var(--brand-100);
  padding:6px 12px;border-radius:999px;margin-bottom:18px;
}
.page-hero h1{max-width:820px}
.hero-sub{margin-top:20px;max-width:620px;font-size:16px;line-height:1.9;color:#4B5350;font-weight:500}
.hero-pills{margin-top:24px}
.hero-actions{margin-top:30px;display:flex;flex-wrap:wrap;gap:12px}
.hero-note{margin-top:16px;font-size:13px;color:var(--muted)}
.tick-line{
  margin-top:44px;height:22px;position:relative;
  background-image:repeating-linear-gradient(to right,var(--line) 0 1px,transparent 1px 24px);
}
.tick-line::after{
  content:"";position:absolute;left:0;top:11px;height:1px;width:100%;
  background:linear-gradient(90deg,var(--brand-500),rgba(200,241,74,0));
}

/* ============ 板块标题 ============ */
.section-head{max-width:760px;margin-bottom:40px}
@media (min-width:768px){.section-head{margin-bottom:56px}}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:700;letter-spacing:.16em;color:var(--muted);
  text-transform:uppercase;margin-bottom:14px;
}
.eyebrow::before{content:"";width:22px;height:1px;background:var(--brand-500)}
.section-lead{margin-top:16px;font-size:16px;line-height:1.9;color:var(--muted);max-width:640px}

/* ============ 时间轴 ============ */
.timeline{position:relative;max-width:880px}
.timeline::before{
  content:"";position:absolute;left:15px;top:10px;bottom:10px;width:1px;
  background-image:repeating-linear-gradient(to bottom,var(--line) 0 6px,transparent 6px 13px);
}
.tl-item{position:relative;padding-left:56px;padding-bottom:36px}
.tl-item:last-child{padding-bottom:0}
.tl-item::after{
  content:"";position:absolute;left:10px;top:12px;width:11px;height:11px;border-radius:50%;
  background:var(--brand-500);box-shadow:0 0 0 4px rgba(200,241,74,.22);
}
.tl-num{
  display:block;font-size:40px;font-weight:900;line-height:1;
  color:#DCE7BE;letter-spacing:-.04em;font-variant-numeric:tabular-nums;margin-bottom:6px;
}
.tl-item h3{margin-bottom:10px}
.tl-item p{color:#4B5350;font-size:15px;line-height:1.9;max-width:660px}
.tl-meta{margin-top:12px;display:flex;flex-wrap:wrap;gap:10px;font-size:13px;color:var(--muted)}

/* ============ 图文交替 ============ */
.split{display:grid;gap:28px;align-items:center}
.split + .split{margin-top:64px}
@media (min-width:1024px){
  .split{grid-template-columns:5fr 6fr;gap:48px}
  .split.reverse{grid-template-columns:6fr 5fr}
  .split.reverse .split-media{order:2}
  .split.reverse .split-body{order:1}
  .split + .split{margin-top:88px}
}
.split-media{
  border-radius:var(--radius-img);overflow:hidden;
  border:1px solid var(--line);background:#fff;
  box-shadow:var(--shadow-1);
}
.split-media img{width:100%;aspect-ratio:4/3;object-fit:cover;transition:transform .35s var(--ease)}
.split-media:hover img{transform:scale(1.03)}
.split-body .badge{margin-bottom:14px}
.split-body h3{margin-bottom:12px}
.split-body p{color:#4B5350;font-size:15px;line-height:1.9}
.dot-list{margin-top:18px;display:grid;gap:10px}
.dot-list li{position:relative;padding-left:20px;font-size:15px;color:#3B4340}
.dot-list li::before{
  content:"";position:absolute;left:0;top:12px;width:6px;height:6px;border-radius:50%;background:var(--cool-500);
}

/* ============ 表格 ============ */
.table-wrap{
  border:1px solid var(--line);border-radius:var(--radius-card);overflow-x:auto;background:#fff;
  box-shadow:var(--shadow-1);
}
.cmp-table{width:100%;min-width:720px;border-collapse:collapse;font-size:15px}
.cmp-table thead th{
  background:var(--ink-900);color:#fff;text-align:left;font-weight:700;font-size:13px;
  letter-spacing:.06em;padding:15px 20px;white-space:nowrap;
}
.cmp-table td{
  padding:15px 20px;border-top:1px solid var(--line);color:#3B4340;line-height:1.75;vertical-align:top;
}
.cmp-table tbody tr:nth-child(even){background:#FAFBF7}
.cmp-table tbody tr:hover{background:#F4F7EC}
.cmp-table td:first-child{font-weight:700;color:var(--ink-900)}
.table-note{margin-top:14px;font-size:13px;color:var(--muted)}

/* ============ 数据横条 ============ */
.stat-band{background:var(--ink-900);color:#fff;border-radius:var(--radius-block);padding:40px 24px}
@media (min-width:768px){.stat-band{padding:52px 48px}}
.stat-grid{display:grid;gap:28px}
@media (min-width:768px){.stat-grid{grid-template-columns:repeat(3,1fr);gap:40px}}
.stat{border-left:1px solid rgba(255,255,255,.12);padding-left:20px}
.stat-num{font-size:clamp(34px,4.6vw,52px);font-weight:900;line-height:1;color:var(--brand-500);font-variant-numeric:tabular-nums}
.stat-unit{font-size:14px;font-weight:700;color:rgba(255,255,255,.7);margin-left:6px}
.stat-label{margin-top:12px;font-size:14px;line-height:1.8;color:rgba(255,255,255,.66)}

/* ============ FAQ ============ */
.faq-list{max-width:860px;border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{
  width:100%;display:flex;align-items:flex-start;justify-content:space-between;gap:20px;
  background:none;border:0;cursor:pointer;text-align:left;
  padding:22px 0;font-size:16px;font-weight:700;color:var(--ink-900);line-height:1.6;
}
.faq-icon{
  flex:0 0 22px;width:22px;height:22px;position:relative;margin-top:2px;
  transition:transform .24s var(--ease);
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:var(--ink-900);border-radius:2px;
}
.faq-icon::before{left:0;top:10px;width:22px;height:2px}
.faq-icon::after{left:10px;top:0;width:2px;height:22px}
.faq-item.open .faq-icon{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .24s var(--ease)}
.faq-a-inner{
  padding:0 0 24px 16px;border-left:2px solid var(--brand-500);
  font-size:15px;color:#4B5350;line-height:1.85;max-width:780px;
}

/* ============ CTA / 表单 ============ */
.cta-section{background:var(--ink-900);color:#fff}
.cta-tip{
  display:inline-flex;align-items:center;gap:8px;background:rgba(255,106,43,.14);
  color:#FFB992;font-size:13px;font-weight:700;padding:7px 14px;border-radius:999px;margin-bottom:20px;
}
.cta-grid{display:grid;gap:40px}
@media (min-width:1024px){.cta-grid{grid-template-columns:6fr 6fr;gap:64px;align-items:start}}
.cta-copy h2{color:#fff}
.cta-copy p{margin-top:18px;color:rgba(255,255,255,.7);font-size:15px;line-height:1.9;max-width:520px}
.cta-points{margin-top:26px;display:grid;gap:12px}
.cta-points li{position:relative;padding-left:20px;font-size:15px;color:rgba(255,255,255,.82)}
.cta-points li::before{
  content:"";position:absolute;left:0;top:12px;width:6px;height:6px;border-radius:50%;background:var(--brand-500);
}
.form-card{background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.1);border-radius:var(--radius-block);padding:26px}
@media (min-width:768px){.form-card{padding:34px}}
.field{margin-bottom:18px}
.field label{display:block;font-size:13px;font-weight:700;color:rgba(255,255,255,.8);margin-bottom:8px}
.field input,.field select,.field textarea{
  width:100%;border-radius:var(--radius-input);border:1px solid rgba(255,255,255,.16);
  background:rgba(255,255,255,.05);color:#fff;padding:12px 14px;font-size:15px;line-height:1.6;
  transition:border-color .2s var(--ease),background .2s var(--ease);
}
.field select option{color:#14181A}
.field input::placeholder,.field textarea::placeholder{color:rgba(255,255,255,.38)}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--brand-500);background:rgba(255,255,255,.08);
  box-shadow:0 0 0 2px rgba(200,241,74,.35);
}
.field textarea{min-height:96px;resize:vertical}
.check-row{display:flex;align-items:flex-start;gap:10px;font-size:13px;color:rgba(255,255,255,.68);margin:6px 0 20px}
.check-row input{width:18px;height:18px;flex:0 0 18px;margin-top:3px;accent-color:var(--brand-500)}
.form-status{min-height:22px;margin-top:12px;font-size:13px;color:var(--brand-500)}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink-900);color:rgba(255,255,255,.72);padding:64px 0 28px;font-size:14px}
.footer-grid{display:grid;gap:40px}
@media (min-width:768px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px}}
.footer-logo .logo-mark{background:rgba(255,255,255,.06);color:var(--brand-500)}
.footer-logo .logo-main{color:#fff}
.footer-logo .logo-sub{color:rgba(255,255,255,.5)}
.footer-desc{margin-top:18px;font-size:13.5px;line-height:1.9;color:rgba(255,255,255,.6);max-width:320px}
.footer-col h3{font-size:14px;font-weight:700;color:#fff;margin-bottom:16px}
.footer-col ul{display:grid;gap:10px}
.footer-col li{color:rgba(255,255,255,.6);font-size:13.5px}
.footer-col a{color:rgba(255,255,255,.66);transition:color .2s var(--ease)}
.footer-col a:hover{color:var(--brand-500)}
.footer-bottom{
  margin-top:48px;padding-top:22px;border-top:1px solid rgba(255,255,255,.08);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.45);
}
.back-top{
  display:inline-flex;align-items:center;gap:7px;color:rgba(255,255,255,.75);
  border:1px solid rgba(200,241,74,.5);border-radius:999px;padding:8px 16px;font-size:13px;
  transition:background .2s var(--ease),color .2s var(--ease),transform .15s var(--ease);
}
.back-top:hover{background:var(--brand-500);color:var(--ink-900);border-color:var(--brand-500)}
.back-top:active{transform:scale(.98)}

/* ============ 移动端抽屉 ============ */
.drawer-mask{
  position:fixed;inset:0;background:rgba(10,23,18,.45);opacity:0;visibility:hidden;
  transition:opacity .25s var(--ease),visibility .25s var(--ease);z-index:80;
}
.drawer-mask.show{opacity:1;visibility:visible}
.drawer{
  position:fixed;top:0;right:0;height:100%;width:min(86vw,340px);
  background:#fff;z-index:90;transform:translateX(100%);
  transition:transform .28s var(--ease);display:flex;flex-direction:column;
  box-shadow:-16px 0 40px -24px rgba(10,23,18,.4);
}
.drawer.show{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding:18px 20px;border-bottom:1px solid var(--line)}
.drawer-close{
  width:44px;height:44px;display:grid;place-items:center;border:1px solid var(--line);
  border-radius:12px;background:#fff;cursor:pointer;
}
.drawer-body{padding:12px 20px 24px;overflow-y:auto;flex:1}
.drawer-link{
  display:block;padding:14px 0;font-size:16px;font-weight:500;color:#2C3330;
  border-bottom:1px solid var(--line);
}
.drawer-link.active{font-weight:800;color:var(--ink-900)}
.drawer-link.active::before{content:"";display:inline-block;width:18px;height:2px;background:var(--brand-500);vertical-align:middle;margin-right:8px}
.drawer-foot{padding:20px;border-top:1px solid var(--line)}
.hamburger{
  width:44px;height:44px;display:grid;place-items:center;border:1px solid var(--line);
  border-radius:12px;background:#fff;cursor:pointer;
}

/* ============ 动效 ============ */
.fade-up{opacity:0;transform:translateY(12px);transition:opacity .4s ease-out,transform .4s ease-out}
.fade-up.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important}
  .fade-up{opacity:1;transform:none}
}