/* roulang page: index */
:root{
  --brand-900:#0B2A24;--brand-800:#0F3A31;--brand-700:#145445;--brand-600:#1A6E58;
  --brand-500:#22906F;--brand-400:#4FB391;--brand-100:#DCF0E8;--brand-50:#F0F8F4;
  --copper-600:#A86A24;--copper-500:#C8873A;--copper-400:#E0A458;--copper-100:#FBEEDA;
  --cinnabar:#C2452D;
  --sand-50:#F7F3EB;--card:#FFFFFF;--line:#E4DED2;--ink:#14201D;--ink-2:#4C5C57;
  --grad-brand:linear-gradient(120deg,#145445,#1A6E58 45%,#22906F);
  --grad-copper:linear-gradient(120deg,#C8873A,#E0A458);
  --grad-dark:linear-gradient(160deg,#0B2A24,#145445);
  --sh-sm:0 1px 2px rgba(11,42,36,.06);
  --sh-md:0 10px 28px -16px rgba(11,42,36,.22);
  --sh-lg:0 24px 48px -24px rgba(11,42,36,.28);
  --r-xl:24px;--r-lg:20px;--r-md:16px;--r-sm:12px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;background:var(--sand-50);color:var(--ink);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Inter,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}
button{font-family:inherit}
h1,h2,h3,h4,p,ul,ol{margin:0}
ul{padding:0;list-style:none}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum"}
.wrap{max-width:1240px;margin:0 auto;padding:0 20px}
@media(min-width:768px){.wrap{padding:0 24px}}
@media(min-width:1024px){.wrap{padding:0 32px}}
.section{padding:64px 0}
@media(min-width:768px){.section{padding:88px 0}}
@media(min-width:1024px){.section{padding:112px 0}}
.section-tight{padding:48px 0}
@media(min-width:768px){.section-tight{padding:64px 0}}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12px;letter-spacing:.08em;color:var(--copper-600);font-weight:600}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--grad-copper);border-radius:2px}
.sec-title{font-size:clamp(22px,2.6vw,32px);line-height:1.3;font-weight:700;color:var(--brand-900);margin-top:10px;letter-spacing:-.2px}
.sec-sub{margin-top:12px;color:var(--ink-2);font-size:15px;max-width:760px}
.sec-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:18px;margin-bottom:36px}
.textlink{color:var(--brand-600);font-weight:600;font-size:14px;display:inline-flex;align-items:center;gap:6px;transition:color .2s ease-out,gap .2s ease-out}
.textlink:hover{color:var(--brand-500);gap:10px}

/* 顶部活动条 */
.topbar{background:var(--grad-dark);color:rgba(255,255,255,.86);position:relative;z-index:60}
.topbar-inner{min-height:40px;display:flex;align-items:center;gap:16px;flex-wrap:wrap;padding:6px 20px;font-size:13px}
.status-dot-badge{display:inline-flex;align-items:center;gap:7px;font-size:12px;font-weight:600;color:#F4E1C2;white-space:nowrap}
.status-dot-badge i{width:7px;height:7px;border-radius:50%;background:var(--copper-400);box-shadow:0 0 0 0 rgba(224,164,88,.6);animation:pulse 2.2s ease-out infinite}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(224,164,88,.55)}70%{box-shadow:0 0 0 9px rgba(224,164,88,0)}100%{box-shadow:0 0 0 0 rgba(224,164,88,0)}}
.topbar-text{color:rgba(255,255,255,.72)}
.countdown{display:flex;align-items:center;gap:6px;margin-left:auto}
.cd-cell{display:inline-flex;align-items:baseline;gap:3px;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.16);border-radius:8px;padding:2px 8px}
.cd-cell b{font-size:13px;color:#fff;font-weight:700}
.cd-cell em{font-style:normal;font-size:11px;color:rgba(255,255,255,.6)}
@media(max-width:767px){.topbar-text{display:none}.countdown{margin-left:auto}}

/* 导航 */
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.92);backdrop-filter:blur(10px);border-bottom:1px solid transparent;transition:border-color .2s ease-out,box-shadow .2s ease-out}
.site-header.is-stuck{border-bottom-color:var(--line);box-shadow:var(--sh-sm)}
.nav-inner{min-height:70px;display:flex;align-items:center;gap:18px}
.logo{display:inline-flex;align-items:center;gap:10px;flex-shrink:0}
.logo-mark{width:38px;height:38px;border-radius:12px;background:var(--grad-brand);color:#fff;display:grid;place-items:center;font-size:18px;font-weight:700;box-shadow:var(--sh-sm)}
.logo-text{font-size:18px;font-weight:700;letter-spacing:-.2px;color:var(--brand-900);white-space:nowrap}
.nav-links{display:none;align-items:center;gap:4px;margin-left:12px}
@media(min-width:1024px){.nav-links{display:flex}}
.nav-links a{padding:9px 14px;border-radius:999px;font-size:15px;color:var(--ink-2);font-weight:500;transition:background-color .2s ease-out,color .2s ease-out}
.nav-links a:hover{color:var(--brand-600);background:var(--brand-50)}
.nav-links a.active{background:var(--brand-50);color:var(--brand-700);font-weight:600}
.nav-cta{display:none;align-items:center;gap:10px;margin-left:auto}
@media(min-width:1024px){.nav-cta{display:flex}}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:46px;padding:0 20px;border-radius:var(--r-sm);font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;transition:transform .2s ease-out,box-shadow .2s ease-out,background-color .2s ease-out,color .2s ease-out,border-color .2s ease-out}
.btn:focus-visible{outline:2px solid var(--copper-400);outline-offset:2px}
.btn-primary{background:var(--grad-brand);color:#fff;box-shadow:0 1px 0 rgba(255,255,255,.18) inset,var(--sh-sm)}
.btn-primary:hover{filter:brightness(1.06);box-shadow:var(--sh-md)}
.btn-primary:active{transform:translateY(1px)}
.btn-outline{border-color:var(--copper-500);color:var(--copper-600);background:transparent}
.btn-outline:hover{background:var(--copper-100)}
.btn-ghost{color:var(--brand-700);border-color:var(--line);background:#fff}
.btn-ghost:hover{background:var(--brand-50);border-color:var(--brand-400)}
.btn-block{width:100%}
.hamburger{width:44px;height:44px;margin-left:auto;border-radius:12px;border:1px solid var(--line);background:#fff;color:var(--brand-800);display:grid;place-items:center;font-size:17px;cursor:pointer}
@media(min-width:1024px){.hamburger{display:none}}

/* 抽屉 */
.drawer-mask{position:fixed;inset:0;background:rgba(11,42,36,.45);opacity:0;pointer-events:none;transition:opacity .22s ease-out;z-index:70}
.drawer-mask.show{opacity:1;pointer-events:auto}
.drawer{position:fixed;top:0;right:0;height:100%;width:84vw;max-width:360px;background:#fff;z-index:80;transform:translateX(100%);transition:transform .26s ease-out;padding:22px;display:flex;flex-direction:column;gap:20px;overflow-y:auto}
.drawer.show{transform:none}
.drawer-head{display:flex;align-items:center;justify-content:space-between}
.drawer-close{width:40px;height:40px;border-radius:10px;border:1px solid var(--line);background:#fff;font-size:16px;cursor:pointer;color:var(--brand-800)}
.drawer-nav{display:flex;flex-direction:column;gap:6px}
.drawer-nav a{padding:12px 14px;border-radius:12px;font-size:16px;color:var(--ink);font-weight:500}
.drawer-nav a.active{background:var(--brand-50);color:var(--brand-700);font-weight:600}
.drawer-actions{display:flex;flex-direction:column;gap:10px;margin-top:auto}

/* Hero */
.hero{position:relative;overflow:hidden;background-image:url('/assets/images/backpic/back-1.webp');background-size:cover;background-position:center}
.hero::before{content:"";position:absolute;inset:0;background:linear-gradient(100deg,rgba(11,42,36,.94) 0%,rgba(11,42,36,.86) 42%,rgba(20,84,69,.62) 72%,rgba(20,84,69,.42) 100%)}
.hero-grid{position:relative;z-index:2;display:grid;grid-template-columns:1fr;gap:40px;padding:64px 0 72px}
@media(min-width:1024px){.hero-grid{grid-template-columns:7fr 5fr;gap:48px;padding:88px 0 96px;align-items:center}}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:20px}
.badge{display:inline-flex;align-items:center;gap:7px;height:28px;padding:0 12px;border-radius:999px;font-size:13px;font-weight:600;line-height:1}
.badge-copper{background:var(--grad-copper);color:#fff}
.badge-outline{border:1px solid var(--copper-500);background:var(--copper-100);color:var(--copper-600)}
.badge-glass{border:1px solid rgba(255,255,255,.28);background:rgba(255,255,255,.1);color:rgba(255,255,255,.9)}
.badge-state{display:inline-flex;align-items:center;gap:7px;height:28px;padding:0 12px;border-radius:999px;font-size:13px;font-weight:600;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.22);color:#fff}
.badge-state i{width:6px;height:6px;border-radius:50%;background:var(--brand-400)}
.badge-state.copper i{background:var(--copper-400)}
.hero h1{font-size:clamp(28px,4.2vw,48px);line-height:1.2;font-weight:700;color:#fff;letter-spacing:-.5px;max-width:720px}
.hero-sub{margin-top:20px;color:rgba(255,255,255,.82);font-size:16px;line-height:1.85;max-width:640px}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}
.hero-cta .btn{height:48px}
.hero-metrics{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:38px;max-width:620px}
.hero-metric{border-left:2px solid rgba(224,164,88,.75);padding-left:14px}
.hero-metric b{display:block;font-size:clamp(20px,2.4vw,26px);font-weight:700;color:#fff}
.hero-metric span{display:block;font-size:12.5px;color:rgba(255,255,255,.68);line-height:1.6;margin-top:4px}
.hero-side{position:relative}
.float-card{background:rgba(255,255,255,.97);border:1px solid rgba(255,255,255,.6);border-radius:var(--r-xl);box-shadow:var(--sh-lg);padding:26px}
.float-card h3{font-size:17px;font-weight:600;color:var(--brand-900)}
.float-row{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:18px;font-size:14px;color:var(--ink-2)}
.float-row b{font-size:22px;color:var(--brand-700);font-weight:700}
.bar{height:8px;border-radius:999px;background:var(--brand-50);overflow:hidden;margin-top:12px;border:1px solid var(--line)}
.bar > i{display:block;height:100%;background:var(--grad-brand);border-radius:999px}
.bar.copper > i{background:var(--grad-copper)}
.float-mini{position:absolute;right:16px;bottom:-26px;background:#fff;border:1px solid var(--line);border-radius:var(--r-md);box-shadow:var(--sh-md);padding:14px 16px;display:flex;align-items:center;gap:12px;min-width:220px}
.float-mini i.dot{width:8px;height:8px;border-radius:50%;background:var(--brand-500)}
.float-mini p{font-size:13px;color:var(--ink-2);line-height:1.5}
.float-mini strong{display:block;font-size:14px;color:var(--brand-900)}

/* 指标看板 */
.board{background:#fff;border:1px solid var(--line);border-radius:var(--r-xl);box-shadow:var(--sh-sm);padding:26px}
.metric-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
@media(min-width:1024px){.metric-grid{grid-template-columns:repeat(4,1fr);gap:24px}}
.metric-card{background:var(--sand-50);border:1px solid var(--line);border-radius:var(--r-md);padding:22px;transition:box-shadow .22s ease-out,transform .22s ease-out}
.metric-card:hover{box-shadow:var(--sh-md);transform:translateY(-2px)}
.metric-icon{width:36px;height:36px;border-radius:10px;background:var(--brand-50);color:var(--brand-600);display:grid;place-items:center;font-size:15px;margin-bottom:14px}
.metric-card b{font-size:clamp(28px,3.4vw,38px);font-weight:700;color:var(--brand-800);line-height:1.1;display:block}
.metric-card b em{font-style:normal;font-size:15px;color:var(--ink-2);margin-left:4px;font-weight:600}
.metric-line{width:0;height:3px;border-radius:3px;background:var(--grad-copper);margin-top:10px;transition:width .3s ease-out}
.metric-card:hover .metric-line{width:54px}
.metric-card p{font-size:13.5px;color:var(--ink-2);margin-top:10px;line-height:1.7}

/* 服务矩阵 */
.matrix{display:grid;grid-template-columns:1fr;gap:22px}
@media(min-width:1024px){.matrix{grid-template-columns:7fr 5fr}}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--sh-sm);transition:box-shadow .24s ease-out,transform .24s ease-out,border-color .24s ease-out;overflow:hidden}
.card:hover{box-shadow:var(--sh-md);transform:translateY(-2px);border-color:var(--brand-400)}
.card-body{padding:24px}
.card-media{aspect-ratio:16/10;overflow:hidden;border-bottom:1px solid var(--line);background:var(--brand-50)}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease-out}
.card:hover .card-media img{transform:scale(1.03)}
.card h3{font-size:19px;font-weight:600;color:var(--brand-900);margin-top:14px}
.card p{font-size:14.5px;color:var(--ink-2);margin-top:10px;line-height:1.75}
.point-list{margin-top:16px;display:grid;gap:10px}
.point-list li{display:flex;gap:10px;font-size:14px;color:var(--ink);align-items:flex-start}
.point-list li i{color:var(--copper-500);margin-top:6px;font-size:12px}
.side-stack{display:grid;gap:22px}
.side-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:22px;display:flex;gap:14px;align-items:flex-start;transition:box-shadow .22s ease-out,transform .22s ease-out,border-color .22s ease-out}
.side-card:hover{box-shadow:var(--sh-md);transform:translateY(-2px);border-color:var(--brand-400)}
.side-card .ic{width:40px;height:40px;border-radius:12px;background:var(--brand-50);color:var(--brand-600);display:grid;place-items:center;flex-shrink:0}
.side-card h3{font-size:16.5px;font-weight:600;color:var(--brand-900)}
.side-card p{font-size:13.5px;color:var(--ink-2);margin-top:6px}
.feature-strip{margin-top:22px;background:#fff;border:1px solid var(--line);border-radius:var(--r-md);box-shadow:var(--sh-sm);display:grid;grid-template-columns:1fr;overflow:hidden}
@media(min-width:768px){.feature-strip{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.feature-strip{grid-template-columns:repeat(4,1fr) auto}}
.feature-cell{padding:20px 22px;border-bottom:1px solid var(--line);border-right:1px solid transparent}
@media(min-width:768px){.feature-cell{border-right:1px solid var(--line)}}
.feature-cell i{color:var(--copper-500);font-size:15px}
.feature-cell h4{font-size:15px;font-weight:600;color:var(--brand-900);margin-top:10px}
.feature-cell p{font-size:13px;color:var(--ink-2);margin-top:6px;line-height:1.65}
.strip-cta{display:flex;align-items:center;justify-content:center;padding:20px 22px;background:var(--brand-50)}

/* 对比 */
.compare{display:grid;grid-template-columns:1fr;gap:20px;position:relative}
@media(min-width:900px){.compare{grid-template-columns:1fr 1fr;gap:26px}}
.cmp-col{border-radius:var(--r-lg);padding:26px;border:1px solid var(--line);background:#fff}
.cmp-col.old{background:#F4F1EA;border-color:#E0D9CB}
.cmp-col.new{background:var(--brand-50);border:1px solid var(--copper-400);box-shadow:var(--sh-md)}
.cmp-col h3{font-size:17px;font-weight:600;color:var(--brand-900);display:flex;align-items:center;gap:10px}
.cmp-col .tag{font-size:12px;font-weight:600;padding:3px 10px;border-radius:999px}
.cmp-col.old .tag{background:#E7E1D4;color:#6B6152}
.cmp-col.new .tag{background:var(--grad-copper);color:#fff}
.cmp-list{margin-top:18px;display:grid;gap:12px}
.cmp-list li{display:flex;gap:10px;font-size:14.5px;color:var(--ink);align-items:flex-start;line-height:1.7}
.cmp-list li i{margin-top:5px;font-size:13px}
.cmp-col.old .cmp-list li i{color:#9A9182}
.cmp-col.new .cmp-list li i{color:var(--brand-600)}
.cmp-mid{display:none}
@media(min-width:900px){.cmp-mid{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);width:56px;height:56px;border-radius:50%;background:var(--grad-brand);color:#fff;display:grid;place-items:center;font-size:13px;font-weight:600;box-shadow:var(--sh-lg);border:3px solid #fff}}
.progress-compare{margin-top:28px;background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:22px}
.pc-row{display:flex;align-items:center;gap:16px;margin-top:14px}
.pc-row span.lbl{width:96px;font-size:13.5px;color:var(--ink-2);flex-shrink:0}
.pc-row .bar{flex:1;margin-top:0}
.pc-row b{font-size:14px;color:var(--brand-700);width:56px;text-align:right;flex-shrink:0}

/* 资讯 */
.news-grid{display:grid;grid-template-columns:1fr;gap:24px}
@media(min-width:768px){.news-grid{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.news-grid{grid-template-columns:repeat(3,1fr)}}
.news-card{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;box-shadow:var(--sh-sm);transition:box-shadow .24s ease-out,transform .24s ease-out,border-color .24s ease-out}
.news-card:hover{box-shadow:var(--sh-md);transform:translateY(-2px);border-color:var(--brand-400)}
.news-media{aspect-ratio:16/10;overflow:hidden;background:var(--brand-50);border-bottom:1px solid var(--line)}
.news-media img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease-out}
.news-card:hover .news-media img{transform:scale(1.03)}
.news-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1}
.news-body h3{font-size:17px;font-weight:600;color:var(--brand-900);line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-body p{font-size:14px;color:var(--ink-2);line-height:1.7;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.news-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;padding-top:6px;font-size:13px;color:var(--ink-2)}
.cat-tag{display:inline-flex;align-items:center;height:26px;padding:0 11px;border-radius:999px;font-size:12.5px;font-weight:600;background:var(--brand-50);color:var(--brand-700);border:1px solid var(--brand-100)}
.empty-state{grid-column:1/-1;background:#fff;border:1px dashed var(--line);border-radius:var(--r-lg);padding:52px 24px;text-align:center}
.empty-state i{font-size:26px;color:var(--copper-400)}
.empty-state p{color:var(--ink-2);font-size:15px;margin-top:14px}
.empty-state .btn{margin-top:20px}

/* FAQ */
.faq-wrap{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--sh-sm);overflow:hidden}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item:last-child{border-bottom:none}
.faq-q{width:100%;background:none;border:none;text-align:left;padding:20px 24px;display:flex;align-items:center;justify-content:space-between;gap:16px;cursor:pointer;font-size:16px;font-weight:600;color:var(--brand-900);transition:background-color .2s ease-out}
.faq-q:hover{background:var(--brand-50)}
.faq-q:focus-visible{outline:2px solid var(--copper-400);outline-offset:-2px}
.faq-q i{color:var(--copper-500);transition:transform .24s ease-out;font-size:14px;flex-shrink:0}
.faq-a{max-height:0;overflow:hidden;transition:max-height .28s ease-out}
.faq-a p{padding:0 24px 22px;font-size:15px;color:var(--ink-2);line-height:1.85;max-width:760px}
.faq-item.open .faq-q{background:var(--brand-50)}
.faq-item.open .faq-q i{transform:rotate(180deg)}
.faq-item.open .faq-a{max-height:420px}

/* 表单 */
.form-grid{display:grid;grid-template-columns:1fr;gap:26px}
@media(min-width:1024px){.form-grid{grid-template-columns:6fr 6fr;gap:32px}}
.form-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-xl);box-shadow:var(--sh-md);padding:28px}
.field{margin-bottom:16px}
.field label{display:block;font-size:13.5px;font-weight:600;color:var(--ink);margin-bottom:7px}
.field label .req{color:var(--cinnabar);margin-left:2px}
.input,select,textarea{width:100%;height:46px;border:1px solid var(--line);border-radius:var(--r-sm);background:#fff;padding:0 14px;font-size:15px;color:var(--ink);transition:border-color .2s ease-out,box-shadow .2s ease-out;font-family:inherit}
textarea{height:auto;padding:12px 14px;line-height:1.7;resize:vertical}
.input::placeholder,textarea::placeholder{color:rgba(76,92,87,.6)}
.input:focus,select:focus,textarea:focus{outline:none;border-color:var(--brand-600);box-shadow:0 0 0 3px rgba(26,110,88,.16)}
.check-row{display:flex;align-items:flex-start;gap:9px;font-size:13px;color:var(--ink-2);margin:6px 0 18px}
.check-row input{width:16px;height:16px;margin-top:3px;accent-color:var(--brand-600)}
.privacy-note{font-size:12.5px;color:var(--ink-2);margin-top:12px;line-height:1.7}
.benefit-list{display:grid;gap:16px;margin-top:8px}
.benefit-list li{display:flex;gap:12px;align-items:flex-start}
.benefit-list li span.dot{width:10px;height:10px;border-radius:50%;background:var(--grad-copper);margin-top:9px;flex-shrink:0}
.benefit-list li strong{display:block;font-size:15px;font-weight:600;color:var(--brand-900)}
.benefit-list li p{font-size:13.5px;color:var(--ink-2);margin-top:4px}
.trust-bar{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px}

/* CTA 深色条 */
.cta-band{background:var(--grad-dark);border-radius:var(--r-xl);padding:32px;display:flex;flex-wrap:wrap;gap:20px;align-items:center;justify-content:space-between;position:relative;overflow:hidden}
.cta-band::after{content:"";position:absolute;right:-40px;top:-40px;width:220px;height:220px;border-radius:50%;background:radial-gradient(circle,rgba(224,164,88,.24),transparent 68%)}
.cta-band h3{color:#fff;font-size:clamp(19px,2.2vw,24px);font-weight:700;position:relative;z-index:2}
.cta-band p{color:rgba(255,255,255,.76);font-size:14.5px;margin-top:8px;max-width:640px;position:relative;z-index:2}
.cta-band .cta-actions{display:flex;flex-wrap:wrap;gap:12px;position:relative;z-index:2}
.cta-band .btn-outline{border-color:var(--copper-400);color:var(--copper-400)}
.cta-band .btn-outline:hover{background:rgba(224,164,88,.16);color:#fff}

/* 页脚 */
.site-footer{background:var(--grad-dark);color:rgba(255,255,255,.72);margin-top:0;position:relative}
.site-footer::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:var(--grad-copper)}
.footer-grid{display:grid;grid-template-columns:1fr;gap:32px;padding:56px 0 36px}
@media(min-width:768px){.footer-grid{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1.2fr}}
.footer-brand .logo-text{color:#fff}
.footer-brand p{font-size:13.5px;margin-top:16px;line-height:1.8;max-width:320px}
.footer-col h4{color:#fff;font-size:15px;font-weight:600;margin-bottom:16px}
.footer-col a,.footer-col li{display:block;font-size:13.5px;color:rgba(255,255,255,.72);line-height:2.1;transition:color .2s ease-out}
.footer-col a:hover{color:var(--copper-400)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding:18px 0 26px;display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between;font-size:13px}
.footer-bottom .links{display:flex;flex-wrap:wrap;gap:16px}
.footer-bottom a:hover{color:var(--copper-400)}

/* 揭示动效 */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .5s ease-out,transform .5s ease-out}
.reveal.is-visible{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  .status-dot-badge i{animation:none}
  html{scroll-behavior:auto}
  *{transition-duration:.01ms !important}
}

/* roulang page: article */
:root{
  --brand-900:#0B2A24;--brand-800:#0F3A31;--brand-700:#145445;--brand-600:#1A6E58;
  --brand-500:#22906F;--brand-400:#4FB391;--brand-100:#DCF0E8;--brand-50:#F0F8F4;
  --copper-600:#A86A24;--copper-500:#C8873A;--copper-400:#E0A458;--copper-100:#FBEEDA;
  --cinnabar:#C2452D;
  --sand-50:#F7F3EB;--line:#E4DED2;--ink:#14201D;--ink-2:#4C5C57;
  --r-lg:24px;--r-md:16px;--r-sm:12px;
  --shadow-sm:0 1px 2px rgba(11,42,36,.06);
  --shadow-md:0 10px 28px -16px rgba(11,42,36,.22);
  --shadow-lg:0 24px 48px -24px rgba(11,42,36,.28);
  --grad-brand:linear-gradient(120deg,#145445,#1A6E58 45%,#22906F);
  --grad-copper:linear-gradient(120deg,#C8873A,#E0A458);
  --grad-dark:linear-gradient(160deg,#0B2A24,#145445);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--sand-50);color:var(--ink);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Inter,system-ui,sans-serif;
  font-size:16px;line-height:1.8;-webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{margin:0;line-height:1.3}
p{margin:0}
ul,ol{margin:0}
img{max-width:100%;display:block}
a{color:inherit}
button{font-family:inherit}
.tnum{font-variant-numeric:tabular-nums}

.wrap{width:100%;max-width:1240px;margin:0 auto;padding-left:20px;padding-right:20px}
@media(min-width:768px){.wrap{padding-left:24px;padding-right:24px}}
@media(min-width:1024px){.wrap{padding-left:32px;padding-right:32px}}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 20px;border-radius:var(--r-sm);border:1px solid transparent;
  font-size:15px;font-weight:600;text-decoration:none;cursor:pointer;
  transition:transform .22s ease-out,background-color .22s ease-out,box-shadow .22s ease-out,filter .22s ease-out,border-color .22s ease-out;
}
.btn:focus-visible{outline:2px solid var(--copper-400);outline-offset:2px}
.btn-primary{background:var(--grad-brand);color:#fff;box-shadow:var(--shadow-sm)}
.btn-primary:hover{filter:brightness(1.06);box-shadow:var(--shadow-md);transform:translateY(-1px)}
.btn-primary:active{transform:translateY(1px)}
.btn-outline{border-color:var(--brand-600);color:var(--brand-600);background:#fff}
.btn-outline:hover{background:var(--brand-50)}
.btn-copper{background:var(--grad-copper);color:#3A230B}
.btn-copper:hover{filter:brightness(1.05);transform:translateY(-1px)}
.btn-copper-outline{border-color:var(--copper-500);color:var(--copper-600);background:#fff}
.btn-copper-outline:hover{background:var(--copper-100)}
.btn-ghost-light{border-color:rgba(255,255,255,.45);color:#fff}
.btn-ghost-light:hover{background:rgba(255,255,255,.12)}

/* ---------- 徽章 / 标签 ---------- */
.badge{display:inline-flex;align-items:center;gap:7px;height:28px;padding:0 12px;border-radius:999px;font-size:13px;font-weight:600;white-space:nowrap}
.badge-state{background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.2);color:rgba(255,255,255,.86)}
.badge-state i{width:7px;height:7px;border-radius:50%;background:currentColor;display:inline-block;animation:pulse 1.8s ease-in-out infinite}
.badge-state.copper{background:rgba(200,135,58,.18);border-color:rgba(224,164,88,.42);color:#EBC791}
.badge-state.green{background:rgba(79,179,145,.16);border-color:rgba(79,179,145,.42);color:#9EE0C4}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.45;transform:scale(.82)}}

.tag{display:inline-flex;align-items:center;height:28px;padding:0 12px;border-radius:999px;font-size:13px;font-weight:600}
.tag-copper{background:var(--copper-100);color:var(--copper-600);border:1px solid rgba(200,135,58,.35)}
.chip{display:inline-flex;align-items:center;height:32px;padding:0 14px;border-radius:999px;font-size:13px;color:var(--ink-2);border:1px solid var(--line);background:#fff;text-decoration:none;transition:all .2s ease-out}
.chip:hover{border-color:var(--brand-400);color:var(--brand-600);background:var(--brand-50)}

/* ---------- 活动条 ---------- */
.promo-bar{background:var(--grad-dark);color:rgba(255,255,255,.86);font-size:13px}
.promo-inner{display:flex;align-items:center;gap:16px;min-height:40px}
.promo-text{flex:1;text-align:center;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;color:rgba(255,255,255,.78)}
.countdown{display:flex;gap:6px;align-items:center}
.cd-cell{display:inline-flex;align-items:baseline;gap:2px;background:rgba(255,255,255,.12);border-radius:8px;padding:3px 8px}
.cd-cell b{font-size:13px;color:#fff;font-weight:600;font-variant-numeric:tabular-nums}
.cd-cell em{font-size:11px;font-style:normal;color:rgba(255,255,255,.6)}
@media(max-width:767px){.promo-text{display:none}}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.92);backdrop-filter:blur(10px);
  border-bottom:1px solid transparent;transition:border-color .24s ease-out,box-shadow .24s ease-out;
}
.site-header.scrolled{border-bottom-color:var(--line);box-shadow:var(--shadow-sm)}
.header-inner{display:flex;align-items:center;gap:24px;height:72px}
.logo{display:inline-flex;align-items:center;gap:10px;text-decoration:none;flex:0 0 auto}
.logo-mark{
  width:36px;height:36px;border-radius:10px;background:var(--grad-brand);color:#fff;
  display:grid;place-items:center;font-size:17px;font-weight:700;box-shadow:var(--shadow-sm);
}
.logo-text{font-size:18px;font-weight:700;letter-spacing:-.2px;color:var(--ink)}
.nav-links{display:flex;gap:4px;margin-left:auto}
.nav-links a{
  padding:8px 14px;border-radius:999px;color:var(--ink-2);font-size:15px;font-weight:500;
  text-decoration:none;transition:color .2s ease-out,background-color .2s ease-out;white-space:nowrap;
}
.nav-links a:hover{color:var(--brand-600);background:var(--brand-50)}
.nav-links a.active{background:var(--brand-50);color:var(--brand-700);font-weight:600}
.header-cta{display:flex;gap:10px;align-items:center}
.menu-toggle{
  display:none;width:44px;height:44px;border-radius:var(--r-sm);border:1px solid var(--line);
  background:#fff;color:var(--ink);cursor:pointer;align-items:center;justify-content:center;font-size:17px;
}
.menu-toggle:hover{background:var(--brand-50)}
@media(max-width:1023px){
  .nav-links,.header-cta{display:none}
  .menu-toggle{display:inline-flex;margin-left:auto}
  .header-inner{height:64px}
}

.drawer-mask{position:fixed;inset:0;background:rgba(11,42,36,.45);opacity:0;visibility:hidden;transition:opacity .26s ease-out;z-index:70}
.drawer-mask.show{opacity:1;visibility:visible}
.drawer{
  position:fixed;top:0;right:0;width:84vw;max-width:360px;height:100%;background:#fff;z-index:80;
  transform:translateX(100%);transition:transform .26s ease-out;padding:22px;display:flex;flex-direction:column;gap:18px;
  box-shadow:var(--shadow-lg);overflow-y:auto;
}
.drawer.open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;gap:12px}
.drawer-close{width:40px;height:40px;border-radius:10px;border:1px solid var(--line);background:#fff;color:var(--ink);cursor:pointer}
.drawer-links{display:flex;flex-direction:column;gap:4px}
.drawer-links a{padding:13px 14px;border-radius:var(--r-sm);color:var(--ink);text-decoration:none;font-size:16px;transition:background-color .2s ease-out}
.drawer-links a:hover{background:var(--brand-50)}
.drawer-links a.active{background:var(--brand-50);color:var(--brand-700);font-weight:600}
.drawer-cta{display:flex;flex-direction:column;gap:10px}
.drawer-cta .btn{width:100%}
.drawer-foot{margin-top:auto;padding-top:16px;border-top:1px solid var(--line)}
@media(min-width:1024px){.drawer,.drawer-mask{display:none}}

/* ---------- 文章头部 ---------- */
.art-head{
  padding:36px 0 34px;border-bottom:1px solid var(--line);
  background:linear-gradient(180deg,#F0F8F4 0%,rgba(247,243,235,1) 100%);
  position:relative;overflow:hidden;
}
.art-head::after{
  content:"";position:absolute;right:-120px;top:-140px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(200,135,58,.14),rgba(200,135,58,0) 68%);
}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--ink-2);position:relative;z-index:1}
.breadcrumb a{color:var(--ink-2);text-decoration:none;transition:color .2s ease-out}
.breadcrumb a:hover{color:var(--brand-600)}
.breadcrumb .sep{opacity:.45}
.breadcrumb .cur{color:var(--brand-700)}
.art-title{
  font-size:clamp(26px,3.6vw,42px);font-weight:700;line-height:1.22;letter-spacing:-.4px;
  margin:18px 0 20px;max-width:900px;position:relative;z-index:1;
}
.meta-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px 20px;font-size:13px;color:var(--ink-2);position:relative;z-index:1}
.meta-row i{color:var(--copper-500);margin-right:5px}
.meta-row b{color:var(--brand-700);font-variant-numeric:tabular-nums}

/* ---------- 文章布局 ---------- */
.art-layout{display:grid;grid-template-columns:1fr;gap:32px;padding-top:48px;padding-bottom:16px}
@media(min-width:1280px){
  .art-layout{grid-template-columns:210px minmax(0,1fr) 300px;gap:44px;align-items:start}
  .art-rail,.art-side{position:sticky;top:96px}
}
.art-main{min-width:0;max-width:800px;margin:0 auto}
@media(min-width:1280px){.art-main{margin:0}}
.art-rail{display:none}
@media(min-width:1280px){.art-rail{display:block}}
.rail-card,.side-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:20px;
  box-shadow:var(--shadow-sm);
}
.rail-card h3,.side-card h3{font-size:14px;font-weight:600;color:var(--brand-800);margin-bottom:14px;letter-spacing:.2px}
.rail-card a{
  display:block;padding:9px 10px;border-radius:10px;font-size:14px;color:var(--ink-2);
  text-decoration:none;transition:all .2s ease-out;
}
.rail-card a:hover{background:var(--brand-50);color:var(--brand-700)}
.art-side{display:flex;flex-direction:column;gap:20px}
.hot-list{list-style:none;padding:0;margin:0;counter-reset:h}
.hot-list li{display:flex;gap:10px;padding:10px 0;border-bottom:1px dashed var(--line)}
.hot-list li:last-child{border-bottom:0;padding-bottom:0}
.hot-list .num{
  flex:0 0 22px;height:22px;border-radius:7px;background:var(--brand-50);color:var(--brand-700);
  font-size:12px;font-weight:700;display:grid;place-items:center;margin-top:3px;font-variant-numeric:tabular-nums;
}
.hot-list a{font-size:14px;line-height:1.6;color:var(--ink-2);text-decoration:none;transition:color .2s ease-out}
.hot-list a:hover{color:var(--brand-600)}
.side-cta{background:var(--brand-50);border-color:rgba(26,110,88,.18)}
.side-cta p{font-size:13.5px;color:var(--ink-2);margin:0 0 16px}
.side-cta .btn{width:100%}

/* ---------- 正文排版 ---------- */
.prose{font-size:16px;line-height:1.85;color:var(--ink);max-width:780px}
.prose p{margin:0 0 18px}
.prose h2{
  font-size:clamp(21px,2.4vw,28px);font-weight:700;line-height:1.35;
  margin:40px 0 14px;padding-left:14px;position:relative;
}
.prose h2::before{
  content:"";position:absolute;left:0;top:.24em;bottom:.24em;width:4px;border-radius:4px;background:var(--grad-brand);
}
.prose h3{font-size:20px;font-weight:600;margin:30px 0 12px;color:var(--brand-800)}
.prose h4{font-size:17px;font-weight:600;margin:24px 0 10px}
.prose blockquote{
  margin:24px 0;padding:16px 20px;background:var(--brand-50);border-left:3px solid var(--brand-600);
  border-radius:0 var(--r-sm) var(--r-sm) 0;color:var(--ink-2);
}
.prose blockquote p:last-child{margin-bottom:0}
.prose ul,.prose ol{margin:0 0 18px;padding-left:24px}
.prose li{margin-bottom:8px}
.prose ul li::marker{color:var(--copper-500)}
.prose ol li::marker{color:var(--brand-600);font-weight:600}
.prose img{border-radius:var(--r-md);box-shadow:var(--shadow-md);margin:24px 0}
.prose a{color:var(--brand-600);text-decoration:underline;text-underline-offset:3px}
.prose a:hover{color:var(--brand-500)}
.prose strong{color:var(--brand-800)}
.prose table{width:100%;border-collapse:collapse;margin:24px 0;font-size:15px}
.prose th{background:var(--brand-50);text-align:left;font-weight:600;color:var(--brand-800)}
.prose th,.prose td{padding:10px 14px;border:1px solid var(--line)}
.prose tbody tr:nth-child(even){background:var(--sand-50)}
.prose hr{border:0;border-top:1px solid var(--line);margin:32px 0}
.prose figcaption{font-size:13px;color:var(--ink-2);text-align:center;margin-top:-12px}

.empty-state{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:48px 28px;
  text-align:center;box-shadow:var(--shadow-sm);
}
.empty-state .ico{
  width:56px;height:56px;border-radius:18px;background:var(--brand-50);color:var(--brand-600);
  display:grid;place-items:center;font-size:22px;margin:0 auto 18px;
}
.empty-state h2{font-size:20px;font-weight:700;margin-bottom:10px}
.empty-state p{font-size:14.5px;color:var(--ink-2);margin-bottom:22px}

/* ---------- 文末 ---------- */
.art-tags{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;
  margin-top:40px;padding-top:26px;border-top:1px solid var(--line);
}
.art-tags .label{font-size:13px;color:var(--ink-2);margin-right:4px}
.art-footnav{display:grid;grid-template-columns:1fr;gap:14px;margin-top:34px}
@media(min-width:640px){.art-footnav{grid-template-columns:1fr 1fr}}
.footnav-card{
  display:flex;align-items:center;justify-content:space-between;gap:14px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:18px 20px;
  text-decoration:none;color:var(--ink);box-shadow:var(--shadow-sm);transition:all .22s ease-out;
}
.footnav-card:hover{border-color:var(--brand-400);box-shadow:var(--shadow-md);transform:translateY(-2px)}
.footnav-card span{font-size:15px;font-weight:600}
.footnav-card small{display:block;font-size:12.5px;color:var(--ink-2);font-weight:400;margin-top:3px}
.footnav-card i{color:var(--copper-500)}

/* ---------- 通用板块头 ---------- */
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:28px;flex-wrap:wrap}
.sec-title{font-size:clamp(21px,2.5vw,30px);font-weight:700;letter-spacing:-.3px}
.sec-sub{font-size:14px;color:var(--ink-2);margin-top:8px}

/* ---------- 推荐卡片 ---------- */
.rel-section{padding:72px 0 8px}
.rel-grid{display:grid;grid-template-columns:1fr;gap:22px}
@media(min-width:768px){.rel-grid{grid-template-columns:repeat(3,1fr)}}
.rel-card{
  display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:20px;
  overflow:hidden;text-decoration:none;color:inherit;box-shadow:var(--shadow-sm);
  transition:transform .24s ease-out,box-shadow .24s ease-out,border-color .24s ease-out;
}
.rel-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:var(--brand-400)}
.rel-thumb{aspect-ratio:16/10;overflow:hidden;background:var(--brand-50)}
.rel-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease-out}
.rel-card:hover .rel-thumb img{transform:scale(1.04)}
.rel-body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1}
.rel-body h3{font-size:17px;font-weight:600;margin:12px 0 8px}
.rel-body p{font-size:14px;line-height:1.72;color:var(--ink-2)}
.rel-more{display:inline-flex;align-items:center;gap:7px;margin-top:auto;padding-top:16px;font-size:13px;font-weight:600;color:var(--brand-600)}
.rel-card:hover .rel-more i{transform:translateX(3px)}
.rel-more i{transition:transform .22s ease-out}

/* ---------- FAQ ---------- */
.faq-section{padding:72px 0 0}
.faq-wrap{background:#fff;border:1px solid var(--line);border-radius:20px;padding:6px 24px;box-shadow:var(--shadow-sm)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item:last-child{border-bottom:0}
.faq-item summary{
  list-style:none;cursor:pointer;position:relative;padding:20px 34px 20px 0;
  font-size:16px;font-weight:600;color:var(--ink);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";position:absolute;right:4px;top:50%;transform:translateY(-50%);
  font-size:20px;font-weight:400;color:var(--copper-500);transition:transform .22s ease-out;
}
.faq-item[open] summary::after{content:"−"}
.faq-item summary:hover{color:var(--brand-700)}
.faq-item .faq-body{padding:0 60px 20px 0;font-size:15px;line-height:1.85;color:var(--ink-2);max-width:760px}
.faq-item summary:focus-visible{outline:2px solid var(--copper-400);outline-offset:2px;border-radius:8px}

/* ---------- CTA ---------- */
.cta-band{
  margin-top:72px;background:var(--grad-dark);border-radius:var(--r-lg);padding:36px;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:26px;
  position:relative;overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;right:-80px;bottom:-120px;width:320px;height:320px;border-radius:50%;
  background:radial-gradient(circle,rgba(200,135,58,.25),rgba(200,135,58,0) 70%);
}
.cta-band h2{color:#fff;font-size:clamp(20px,2.4vw,26px);font-weight:700;position:relative;z-index:1}
.cta-band p{color:rgba(255,255,255,.76);font-size:14.5px;margin-top:10px;max-width:560px;position:relative;z-index:1}
.cta-band .actions{display:flex;gap:12px;flex-wrap:wrap;position:relative;z-index:1}
@media(max-width:639px){.cta-band{padding:26px}.cta-band .actions{width:100%}.cta-band .actions .btn{flex:1}}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--grad-dark);color:rgba(255,255,255,.72);position:relative;margin-top:88px}
.site-footer::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:var(--grad-copper)}
.footer-grid{display:grid;grid-template-columns:1fr;gap:32px;padding-top:56px}
@media(min-width:640px){.footer-grid{grid-template-columns:1fr 1fr}}
@media(min-width:1024px){.footer-grid{grid-template-columns:1.7fr 1fr 1fr 1.2fr;gap:40px}}
.footer-brand .logo-text{color:#fff}
.footer-brand p{font-size:14px;line-height:1.85;margin-top:16px;max-width:350px}
.footer-col h4{color:#fff;font-size:15px;font-weight:600;margin-bottom:16px}
.footer-col ul{list-style:none;padding:0}
.footer-col li{font-size:14px;margin-bottom:10px}
.footer-col a{display:block;color:rgba(255,255,255,.72);text-decoration:none;font-size:14px;margin-bottom:10px;transition:color .2s ease-out}
.footer-col a:hover{color:var(--copper-400)}
.footer-bottom{
  margin-top:42px;padding:20px 0 28px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;font-size:13px;
}
.footer-bottom .links{display:flex;flex-wrap:wrap;gap:8px 18px}
.footer-bottom .links a{color:rgba(255,255,255,.72);text-decoration:none;transition:color .2s ease-out}
.footer-bottom .links a:hover{color:var(--copper-400)}

/* ---------- 动效 ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .26s ease-out,transform .26s ease-out}
.reveal.in{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important}
  .reveal{opacity:1;transform:none}
}

/* roulang page: category1 */
:root{
  --brand-900:#0B2A24;--brand-800:#0F3A31;--brand-700:#145445;--brand-600:#1A6E58;
  --brand-500:#22906F;--brand-400:#4FB391;--brand-100:#DCF0E8;--brand-50:#F0F8F4;
  --copper-600:#A86A24;--copper-500:#C8873A;--copper-400:#E0A458;--copper-100:#FBEEDA;
  --cinnabar:#C2452D;--sand-50:#F7F3EB;--line:#E4DED2;--ink:#14201D;--ink-2:#4C5C57;
  --r-lg:24px;--r-md:16px;--r-sm:12px;
  --sh-sm:0 1px 2px rgba(11,42,36,.06);
  --sh-md:0 10px 28px -16px rgba(11,42,36,.22);
  --sh-lg:0 24px 48px -24px rgba(11,42,36,.28);
  --nav-h:72px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Inter,-apple-system,sans-serif;
  background:var(--sand-50);color:var(--ink);font-size:16px;line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-style:none}
a{color:inherit;text-decoration:none}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
:focus-visible{outline:2px solid var(--copper-400);outline-offset:2px}
.tnum{font-variant-numeric:tabular-nums}

/* ---------- 容器 ---------- */
.wrap{width:100%;max-width:1240px;margin:0 auto;padding:0 20px}
@media(min-width:768px){.wrap{padding:0 24px}}
@media(min-width:1024px){.wrap{padding:0 32px}}

/* ---------- 顶部活动条 ---------- */
.topbar{background:linear-gradient(120deg,#0B2A24,#145445);color:#fff}
.topbar-inner{display:flex;align-items:center;gap:16px;min-height:40px;padding-top:6px;padding-bottom:6px}
.topbar-note{margin:0;flex:1;font-size:13px;color:rgba(255,255,255,.78);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.badge-state{display:inline-flex;align-items:center;gap:7px;height:26px;padding:0 11px;border-radius:999px;font-size:12.5px;
  background:var(--brand-50);color:var(--brand-700);border:1px solid var(--brand-100);white-space:nowrap}
.badge-state i{width:7px;height:7px;border-radius:50%;background:var(--brand-500);animation:pulse 1.9s ease-in-out infinite}
.badge-state.copper{background:rgba(200,135,58,.18);color:var(--copper-400);border-color:rgba(200,135,58,.38)}
.badge-state.copper i{background:var(--copper-400)}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.4;transform:scale(.82)}}
.countdown{display:flex;align-items:center;gap:4px;flex-shrink:0}
.cd-cell{display:flex;align-items:baseline;gap:3px;background:rgba(255,255,255,.12);border-radius:8px;padding:2px 8px;
  font-variant-numeric:tabular-nums;font-family:Inter,"PingFang SC",sans-serif}
.cd-cell b{font-size:13px;font-weight:600;color:#fff}
.cd-cell span{font-size:11px;color:rgba(255,255,255,.6)}
.countdown em{font-style:normal;font-size:12px;color:rgba(255,255,255,.42)}
@media(max-width:767px){.topbar-note{display:none}.topbar-inner{justify-content:space-between}}

/* ---------- 导航 ---------- */
.site-header{position:sticky;top:0;z-index:60;background:rgba(255,255,255,.92);
  -webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-bottom:1px solid transparent;
  transition:border-color .24s ease,box-shadow .24s ease}
.site-header.scrolled{border-bottom-color:var(--line);box-shadow:var(--sh-sm)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:var(--nav-h)}
.logo{display:inline-flex;align-items:center;gap:10px}
.logo-mark{width:38px;height:38px;flex:0 0 38px;border-radius:11px;display:grid;place-items:center;color:#fff;
  font-size:18px;font-weight:700;background:linear-gradient(135deg,#0F3A31,#22906F);box-shadow:var(--sh-sm)}
.logo-text{font-size:18px;font-weight:700;color:var(--ink);letter-spacing:-.2px;white-space:nowrap}
.nav-links{display:none;align-items:center;gap:4px}
@media(min-width:1024px){.nav-links{display:flex}}
.nav-links a{padding:9px 15px;border-radius:999px;font-size:15px;color:var(--ink-2);font-weight:500;
  transition:background .2s ease,color .2s ease}
.nav-links a:hover{color:var(--brand-600);background:var(--brand-50)}
.nav-links a.active{background:var(--brand-50);color:var(--brand-700);font-weight:600}
.nav-actions{display:none;align-items:center;gap:10px}
@media(min-width:1024px){.nav-actions{display:flex}}
.nav-toggle{width:44px;height:44px;display:grid;place-content:center;gap:5px;border-radius:12px;border:1px solid var(--line)}
@media(min-width:1024px){.nav-toggle{display:none}}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--ink);transition:transform .2s ease}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.mobile-drawer{position:fixed;top:0;right:0;height:100%;width:84vw;max-width:340px;background:#fff;z-index:90;
  padding:24px 22px;display:flex;flex-direction:column;gap:4px;overflow-y:auto;
  transform:translateX(100%);transition:transform .26s cubic-bezier(.4,0,.2,1);box-shadow:var(--sh-lg)}
.mobile-drawer.open{transform:translateX(0)}
.mobile-drawer .drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px}
.mobile-drawer .drawer-head button{width:40px;height:40px;border-radius:12px;border:1px solid var(--line);font-size:16px;color:var(--ink-2)}
.mobile-drawer a.drawer-link{padding:13px 14px;border-radius:12px;font-size:15px;color:var(--ink-2);font-weight:500}
.mobile-drawer a.drawer-link:hover{background:var(--brand-50)}
.mobile-drawer a.drawer-link.active{background:var(--brand-50);color:var(--brand-700);font-weight:600}
.mobile-drawer .drawer-cta{margin-top:18px;display:flex;flex-direction:column;gap:10px}
.mobile-drawer .drawer-state{margin-top:20px}
.drawer-mask{position:fixed;inset:0;background:rgba(11,42,36,.44);z-index:80;opacity:0;visibility:hidden;
  transition:opacity .26s ease,visibility .26s ease}
.drawer-mask.open{opacity:1;visibility:visible}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:46px;padding:0 22px;border-radius:12px;
  font-size:15px;font-weight:600;white-space:nowrap;border:1px solid transparent;
  transition:transform .2s ease,box-shadow .22s ease,background .22s ease,color .22s ease,filter .22s ease}
.btn-sm{height:40px;padding:0 16px;font-size:14px;border-radius:11px}
.btn-primary{background:linear-gradient(120deg,#145445,#1A6E58 45%,#22906F);color:#fff;box-shadow:0 12px 26px -16px rgba(11,42,36,.85)}
.btn-primary:hover{filter:brightness(1.08);transform:translateY(-1px);box-shadow:0 16px 30px -16px rgba(11,42,36,.8)}
.btn-primary:active{transform:translateY(1px)}
.btn-outline{border-color:var(--brand-600);color:var(--brand-700);background:#fff}
.btn-outline:hover{background:var(--brand-50)}
.btn-copper{border-color:var(--copper-500);color:var(--copper-600);background:#fff}
.btn-copper:hover{background:var(--copper-100)}
.btn-light{background:#fff;color:var(--brand-700)}
.btn-light:hover{background:#F0F8F4;transform:translateY(-1px)}
.btn-outline-light{border-color:rgba(255,255,255,.45);color:#fff}
.btn-outline-light:hover{background:rgba(255,255,255,.12)}
.btn-ghost{color:#fff;border-color:rgba(255,255,255,.4)}
.btn-ghost:hover{background:rgba(255,255,255,.12)}

/* ---------- 徽章 ---------- */
.badge{display:inline-flex;align-items:center;gap:6px;height:28px;padding:0 12px;border-radius:999px;font-size:13px;font-weight:500;line-height:1}
.badge-outline{border:1px solid var(--copper-500);background:var(--copper-100);color:var(--copper-600)}
.badge-brand{background:var(--brand-50);border:1px solid var(--brand-100);color:var(--brand-700)}
.badge-dot{display:inline-flex;align-items:center;gap:6px;height:28px;padding:0 12px;border-radius:999px;font-size:13px;
  border:1px solid var(--line);background:#fff;color:var(--ink-2)}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;background:var(--brand-900);color:#fff}
.hero-bg{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.42}
.hero::after{content:"";position:absolute;inset:0;
  background:linear-gradient(108deg,rgba(11,42,36,.95) 0%,rgba(11,42,36,.84) 46%,rgba(26,110,88,.6) 100%)}
.hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:1fr;gap:36px;
  padding-top:56px;padding-bottom:56px;min-height:340px;align-items:center}
@media(min-width:1024px){
  .hero-inner{grid-template-columns:1.12fr .88fr;gap:48px;padding-top:60px;padding-bottom:60px;min-height:390px}
}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:20px}
.hero h1{font-size:clamp(26px,4vw,42px);line-height:1.22;font-weight:700;letter-spacing:-.4px;color:#fff}
.hero-sub{margin-top:16px;font-size:16px;line-height:1.85;color:rgba(255,255,255,.8);max-width:560px}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.hero-media{position:relative}
.hero-media img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:20px;
  border:1px solid rgba(255,255,255,.2);box-shadow:0 28px 56px -28px rgba(0,0,0,.7)}
.hero-media .float-tag{position:absolute;left:16px;bottom:16px;display:inline-flex;align-items:center;gap:8px;
  padding:9px 14px;border-radius:999px;font-size:13px;background:rgba(255,255,255,.94);color:var(--brand-800);
  box-shadow:var(--sh-md)}
.hero-media .float-tag i{color:var(--copper-500)}

/* ---------- 锚点导航条 ---------- */
.anchor-bar{position:sticky;top:var(--nav-h);z-index:45;background:rgba(247,243,235,.95);
  -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.anchor-inner{display:flex;align-items:center;gap:10px;padding-top:12px;padding-bottom:12px;overflow-x:auto;scrollbar-width:none}
.anchor-inner::-webkit-scrollbar{display:none}
.chip{display:inline-flex;align-items:center;gap:7px;height:36px;padding:0 17px;border-radius:999px;font-size:14px;
  border:1px solid var(--line);background:#fff;color:var(--ink-2);white-space:nowrap;
  transition:background .2s ease,color .2s ease,border-color .2s ease}
.chip:hover{border-color:var(--brand-400);color:var(--brand-700)}
.chip.active{background:var(--brand-600);border-color:var(--brand-600);color:#fff;font-weight:600}

/* ---------- 板块 ---------- */
.section{padding:64px 0}
@media(min-width:768px){.section{padding:88px 0}}
@media(min-width:1024px){.section{padding:104px 0}}
.section-head{max-width:760px;margin-bottom:40px}
.section-head h2{font-size:clamp(22px,2.6vw,32px);line-height:1.32;font-weight:700;letter-spacing:-.3px}
.section-head p{margin-top:14px;font-size:15.5px;color:var(--ink-2)}
.eyebrow{display:inline-block;font-size:13px;font-weight:600;letter-spacing:.14em;color:var(--copper-600);margin-bottom:12px}
.block-title{position:relative;padding-left:16px;font-size:clamp(21px,2.4vw,28px);line-height:1.35;font-weight:700}
.block-title::before{content:"";position:absolute;left:0;top:.18em;bottom:.18em;width:4px;border-radius:3px;
  background:linear-gradient(180deg,#145445,#22906F)}

/* ---------- 两栏内容 + 侧边要点卡 ---------- */
.split-grid{display:grid;grid-template-columns:1fr;gap:32px}
@media(min-width:1024px){.split-grid{grid-template-columns:1.62fr 1fr;gap:44px;align-items:start}}
.split-main p{font-size:16px;line-height:1.92;color:var(--ink-2);margin-top:20px}
.split-main p strong{color:var(--ink);font-weight:600}
.split-main .lead{font-size:17px;color:var(--ink)}
.mini-list{margin-top:24px;display:grid;gap:12px}
.mini-list li{display:flex;gap:11px;font-size:15px;color:var(--ink-2);line-height:1.8}
.mini-list i{color:var(--copper-500);margin-top:6px;font-size:13px}
.side-card{background:#fff;border:1px solid var(--line);border-radius:20px;padding:26px;box-shadow:var(--sh-sm)}
@media(min-width:1024px){.side-card{position:sticky;top:calc(var(--nav-h) + 76px)}}
.side-card h3{font-size:18px;font-weight:600;margin-bottom:6px}
.side-card .side-note{font-size:13.5px;color:var(--ink-2);padding-bottom:18px;border-bottom:1px solid var(--line)}
.side-points{margin-top:18px;display:grid;gap:16px}
.side-points li{display:flex;gap:11px;font-size:14.5px;line-height:1.78;color:var(--ink-2)}
.side-points .dot{width:22px;height:22px;flex:0 0 22px;border-radius:50%;display:grid;place-items:center;
  background:var(--copper-100);color:var(--copper-600);font-size:11px;margin-top:3px}
.side-card .btn{width:100%;margin-top:22px}
.side-meta{margin-top:14px;font-size:13px;color:var(--ink-2);display:flex;align-items:center;gap:8px}

/* ---------- 场景卡片 ---------- */
.scene-grid{display:grid;grid-template-columns:1fr;gap:22px}
@media(min-width:768px){.scene-grid{grid-template-columns:repeat(3,1fr)}}
.scene-card{background:#fff;border:1px solid var(--line);border-radius:18px;padding:28px 26px;box-shadow:var(--sh-sm);
  transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease}
.scene-card:hover{transform:translateY(-2px);box-shadow:var(--sh-md);border-color:var(--brand-400)}
.scene-icon{width:46px;height:46px;border-radius:14px;display:grid;place-items:center;font-size:18px;
  background:var(--brand-50);color:var(--brand-600);margin-bottom:18px}
.scene-card h3{font-size:17.5px;font-weight:600;margin-bottom:10px}
.scene-card p{font-size:14.5px;line-height:1.8;color:var(--ink-2)}
.scene-card .tagline{margin-top:16px;display:inline-flex;align-items:center;gap:6px;font-size:13px;color:var(--copper-600)}

/* ---------- 流程时间轴 ---------- */
.flow-wrap{display:grid;grid-template-columns:1fr;gap:36px}
@media(min-width:1024px){.flow-wrap{grid-template-columns:.85fr 1.15fr;gap:56px;align-items:start}}
.timeline{position:relative}
.timeline li{position:relative;padding:0 0 30px 36px}
.timeline li::before{content:"";position:absolute;left:6px;top:24px;bottom:0;width:1px;background:var(--line)}
.timeline li:last-child{padding-bottom:0}
.timeline li:last-child::before{display:none}
.timeline .knob{position:absolute;left:0;top:6px;width:13px;height:13px;border-radius:50%;
  background:linear-gradient(120deg,#C8873A,#E0A458);box-shadow:0 0 0 4px rgba(200,135,58,.16)}
.timeline .step-no{font-size:12px;font-weight:700;letter-spacing:.1em;color:var(--copper-600)}
.timeline h3{font-size:17.5px;font-weight:600;margin:6px 0 8px}
.timeline p{font-size:14.8px;line-height:1.82;color:var(--ink-2);max-width:620px}
.flow-side{background:#fff;border:1px solid var(--line);border-radius:20px;padding:28px;box-shadow:var(--sh-sm)}
.flow-side h3{font-size:18px;font-weight:600;margin-bottom:16px}
.flow-side .kv{display:flex;align-items:baseline;justify-content:space-between;gap:16px;
  padding:14px 0;border-bottom:1px dashed var(--line);font-size:14.5px;color:var(--ink-2)}
.flow-side .kv:last-of-type{border-bottom:0}
.flow-side .kv b{font-size:17px;color:var(--brand-700);font-variant-numeric:tabular-nums;font-weight:700}

/* ---------- FAQ ---------- */
.faq-head{display:grid;grid-template-columns:1fr;gap:18px;margin-bottom:34px}
@media(min-width:900px){.faq-head{grid-template-columns:.9fr 1.1fr;gap:56px;align-items:end}}
.faq-list{background:#fff;border:1px solid var(--line);border-radius:20px;overflow:hidden;box-shadow:var(--sh-sm)}
.faq-item+.faq-item{border-top:1px solid var(--line)}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;text-align:left;
  padding:22px 26px;font-size:16px;font-weight:600;color:var(--ink);transition:background .2s ease}
.faq-q:hover{background:var(--brand-50)}
.faq-q .ico{width:26px;height:26px;flex:0 0 26px;border-radius:50%;display:grid;place-items:center;
  background:var(--brand-50);color:var(--brand-600);font-size:12px;transition:transform .24s ease}
.faq-item.open .faq-q .ico{transform:rotate(180deg)}
.faq-a{display:none;padding:0 26px 24px;font-size:15px;line-height:1.88;color:var(--ink-2);max-width:780px}
.faq-item.open .faq-a{display:block}

/* ---------- CTA 条 ---------- */
.cta-band{position:relative;overflow:hidden;border-radius:var(--r-lg);padding:38px 26px;color:#fff;
  background:linear-gradient(160deg,#0B2A24,#145445);box-shadow:var(--sh-lg);
  display:grid;grid-template-columns:1fr;gap:28px}
@media(min-width:900px){.cta-band{grid-template-columns:1.45fr .55fr;gap:40px;padding:48px 48px;align-items:center}}
.cta-band::after{content:"";position:absolute;right:-70px;top:-70px;width:260px;height:260px;border-radius:50%;
  background:radial-gradient(circle,rgba(224,164,88,.28),transparent 68%)}
.cta-band h2{font-size:clamp(21px,2.4vw,30px);line-height:1.34;font-weight:700}
.cta-band p{margin-top:14px;font-size:15px;line-height:1.85;color:rgba(255,255,255,.76);max-width:620px}
.cta-points{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px}
.cta-points span{display:inline-flex;align-items:center;gap:7px;font-size:13px;color:rgba(255,255,255,.86);
  border:1px solid rgba(255,255,255,.22);border-radius:999px;padding:6px 13px}
.cta-points i{color:var(--copper-400);font-size:12px}
.cta-actions{position:relative;z-index:2;display:flex;flex-direction:column;gap:12px}
@media(min-width:900px){.cta-actions{justify-self:end;width:100%;max-width:260px}}
.cta-actions .btn{width:100%}

/* ---------- 页脚 ---------- */
.site-footer{position:relative;background:linear-gradient(160deg,#0B2A24,#145445);color:rgba(255,255,255,.72);margin-top:12px}
.site-footer::before{content:"";position:absolute;left:0;right:0;top:0;height:3px;
  background:linear-gradient(120deg,#C8873A,#E0A458)}
.footer-grid{display:grid;grid-template-columns:1fr;gap:34px;padding:56px 0 34px}
@media(min-width:640px){.footer-grid{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1.15fr;gap:44px;padding:68px 0 40px}}
.footer-brand .logo{margin-bottom:4px}
.footer-brand .logo-text{color:#fff}
.footer-brand p{margin-top:16px;font-size:14px;line-height:1.88;max-width:340px;color:rgba(255,255,255,.72)}
.footer-col h4{color:#fff;font-size:15px;font-weight:600;margin:0 0 16px}
.footer-col a,.footer-col li{display:block;font-size:14px;line-height:1.7;color:rgba(255,255,255,.72);margin-bottom:10px;
  transition:color .2s ease}
.footer-col a:hover{color:#fff}
.footer-bottom{border-top:1px solid rgba(255,255,255,.14);padding:20px 0;display:flex;flex-wrap:wrap;
  justify-content:space-between;align-items:center;gap:14px;font-size:13px;color:rgba(255,255,255,.6)}
.footer-bottom .links{display:flex;flex-wrap:wrap;gap:18px}
.footer-bottom .links a{color:rgba(255,255,255,.72);transition:color .2s ease}
.footer-bottom .links a:hover{color:#fff}

/* ---------- 滚动揭示 ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .5s ease,transform .5s ease}
.reveal.visible{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important}
  .reveal{opacity:1;transform:none}
  html{scroll-behavior:auto}
}

/* roulang page: category2 */
:root{
  --brand-900:#0B2A24;--brand-800:#0F3A31;--brand-700:#145445;--brand-600:#1A6E58;--brand-500:#22906F;
  --brand-400:#4FB391;--brand-100:#DCF0E8;--brand-50:#F0F8F4;
  --copper-600:#A86A24;--copper-500:#C8873A;--copper-400:#E0A458;--copper-100:#FBEEDA;
  --cinnabar:#C2452D;
  --sand-50:#F7F3EB;--line:#E4DED2;--ink:#14201D;--ink-2:#4C5C57;
  --radius-lg:24px;--radius-md:16px;--radius-sm:12px;
  --shadow-sm:0 1px 2px rgba(11,42,36,.06);
  --shadow-md:0 10px 28px -16px rgba(11,42,36,.22);
  --shadow-lg:0 24px 48px -24px rgba(11,42,36,.28);
  --nav-h:72px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;background:var(--sand-50);color:var(--ink);font-size:16px;line-height:1.85;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Inter,system-ui,-apple-system,sans-serif;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul{padding:0;list-style:none}
:focus-visible{outline:2px solid var(--copper-400);outline-offset:2px;border-radius:6px}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum"}
.wrap{width:100%;max-width:1240px;margin:0 auto;padding:0 20px}
@media(min-width:768px){.wrap{padding:0 24px}}
@media(min-width:1024px){.wrap{padding:0 32px}}
.section{padding:64px 0;scroll-margin-top:150px}
@media(min-width:768px){.section{padding:88px 0}}
@media(min-width:1024px){.section{padding:100px 0}}
.sec-head{max-width:760px;margin-bottom:32px}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;letter-spacing:.06em;color:var(--copper-600);text-transform:uppercase}
h1{font-size:clamp(28px,4.2vw,48px);line-height:1.2;font-weight:700;letter-spacing:-.4px}
h2{font-size:clamp(22px,2.6vw,32px);line-height:1.3;font-weight:700;letter-spacing:-.2px}
h3{font-size:19px;line-height:1.45;font-weight:600}
.lead{color:var(--ink-2);font-size:16px;line-height:1.85}

/* topbar */
.topbar{background:linear-gradient(120deg,#0B2A24,#145445);color:rgba(255,255,255,.86);font-size:13px}
.topbar-inner{display:flex;align-items:center;gap:14px;min-height:40px;padding:6px 0}
.topbar .dot{width:8px;height:8px;border-radius:50%;background:var(--copper-400);display:inline-block;animation:breath 2s ease-in-out infinite}
.topbar .hint{color:rgba(255,255,255,.78)}
.countdown{margin-left:auto;display:flex;align-items:center;gap:6px}
.cd-cell{background:rgba(255,255,255,.14);border-radius:9px;min-width:44px;padding:3px 6px;text-align:center}
.cd-cell b{display:block;font-size:14px;line-height:1.25;color:#fff}
.cd-cell span{font-size:10px;color:rgba(255,255,255,.7);line-height:1.2}
.cd-sep{color:rgba(255,255,255,.5)}
@keyframes breath{0%,100%{transform:scale(1);opacity:1}50%{transform:scale(1.45);opacity:.55}}
@media(max-width:639px){.topbar .hint{display:none}}

/* header */
.site-header{position:sticky;top:0;z-index:60;background:rgba(255,255,255,.92);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);transition:box-shadow .24s ease,border-color .24s ease;border-bottom:1px solid transparent}
.site-header.scrolled{border-bottom-color:var(--line);box-shadow:var(--shadow-sm)}
.nav-inner{display:flex;align-items:center;gap:16px;min-height:var(--nav-h)}
.logo{display:inline-flex;align-items:center;gap:10px;flex-shrink:0}
.logo-mark{width:38px;height:38px;border-radius:11px;display:grid;place-items:center;color:#fff;font-weight:700;font-size:19px;background:linear-gradient(135deg,#145445,#22906F);box-shadow:var(--shadow-sm)}
.logo-text{font-size:18px;font-weight:700;color:var(--brand-900);letter-spacing:-.2px;white-space:nowrap}
.nav-links{display:flex;align-items:center;gap:4px}
.nav-links a{padding:8px 14px;border-radius:999px;font-size:15px;color:var(--ink-2);transition:color .2s ease,background .2s ease}
.nav-links a:hover{color:var(--brand-600);background:var(--brand-50)}
.nav-links a.active{color:var(--brand-700);background:var(--brand-50);font-weight:600}
.nav-actions{margin-left:auto;display:flex;align-items:center;gap:10px}
.hamburger{display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);background:#fff;color:var(--brand-700);place-items:center;font-size:17px}
@media(max-width:1023px){
  :root{--nav-h:64px}
  .logo-text{font-size:16px}
  header .nav-links{display:none}
  .hamburger{display:grid}
  .nav-actions .btn{display:none}
}
@media(max-width:520px){.logo-text{max-width:150px;overflow:hidden;text-overflow:ellipsis}}

/* drawer */
.drawer-mask{position:fixed;inset:0;background:rgba(11,42,36,.45);opacity:0;visibility:hidden;transition:opacity .24s ease,visibility .24s ease;z-index:80}
.drawer{position:fixed;top:0;right:0;height:100%;width:84vw;max-width:360px;background:#fff;z-index:90;transform:translateX(102%);transition:transform .26s ease-out;display:flex;flex-direction:column;padding:22px;gap:18px;box-shadow:var(--shadow-lg)}
body.drawer-open .drawer{transform:translateX(0)}
body.drawer-open .drawer-mask{opacity:1;visibility:visible}
.drawer-head{display:flex;align-items:center;justify-content:space-between}
.drawer-close{width:40px;height:40px;border-radius:10px;border:1px solid var(--line);display:grid;place-items:center}
.nav-links--drawer{display:flex;flex-direction:column;align-items:stretch;gap:6px}
.nav-links--drawer a{padding:13px 16px;border-radius:12px;border:1px solid var(--line);font-size:16px;color:var(--ink)}
.nav-links--drawer a.active{background:var(--brand-50);border-color:var(--brand-400);color:var(--brand-700);font-weight:600}
.drawer-cta{display:flex;flex-direction:column;gap:10px;margin-top:4px}
.drawer-cta .btn{width:100%}

/* buttons & badges */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 24px;border-radius:var(--radius-sm);font-size:15px;font-weight:600;border:1px solid transparent;transition:background .22s ease,color .22s ease,box-shadow .22s ease,transform .22s ease,filter .22s ease;white-space:nowrap}
.btn i{font-size:14px}
.btn-sm{height:42px;padding:0 18px;font-size:14px}
.btn-primary{background:linear-gradient(120deg,#145445,#1A6E58 45%,#22906F);color:#fff;box-shadow:var(--shadow-sm)}
.btn-primary:hover{filter:brightness(1.07);box-shadow:var(--shadow-md)}
.btn-primary:active{transform:translateY(1px)}
.btn-outline{border-color:var(--brand-600);color:var(--brand-700);background:#fff}
.btn-outline:hover{background:var(--brand-50)}
.btn-copper{border-color:var(--copper-500);color:var(--copper-600);background:var(--copper-100)}
.btn-copper:hover{background:#F7E4C6}
.btn-ghost{border-color:rgba(255,255,255,.42);color:#fff;background:rgba(255,255,255,.06)}
.btn-ghost:hover{background:rgba(255,255,255,.16)}
.btn[disabled]{opacity:.45;cursor:not-allowed}
.badge{display:inline-flex;align-items:center;gap:6px;height:28px;padding:0 12px;border-radius:999px;font-size:13px;font-weight:600;line-height:1}
.badge-copper{background:linear-gradient(120deg,#C8873A,#E0A458);color:#fff}
.badge-outline{border:1px solid var(--copper-500);background:var(--copper-100);color:var(--copper-600)}
.badge-soft{background:var(--brand-100);color:var(--brand-700)}
.badge-state{background:#fff;border:1px solid var(--line);color:var(--ink-2);font-weight:500}
.badge-state i{width:8px;height:8px;border-radius:50%;background:var(--brand-500);display:inline-block;animation:breath 2.2s ease-in-out infinite}
.badge-state.copper i{background:var(--copper-500)}
.tagline{display:flex;flex-wrap:wrap;gap:8px}

/* hero */
.hero{position:relative;overflow:hidden;background:linear-gradient(160deg,#0B2A24,#145445)}
.hero-bg{position:absolute;inset:0;background-image:url('/assets/images/backpic/back-2.webp');background-size:cover;background-position:center;opacity:.4}
.hero-overlay{position:absolute;inset:0;background:linear-gradient(160deg,rgba(11,42,36,.95),rgba(20,84,69,.86) 55%,rgba(26,110,88,.7))}
.hero-inner{position:relative;padding:64px 0 52px;text-align:center;max-width:820px;margin:0 auto;color:#fff}
.hero-inner .tagline{justify-content:center}
.hero-inner .badge-outline{background:rgba(251,238,218,.14);border-color:var(--copper-400);color:var(--copper-100)}
.hero-inner .badge-state{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.24);color:rgba(255,255,255,.86)}
.hero h1{margin:18px 0 14px;color:#fff}
.hero p.lead{color:rgba(255,255,255,.82);max-width:660px;margin:0 auto}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;justify-content:center;margin-top:28px}
.hero-strip{position:relative;display:grid;grid-template-columns:1fr;gap:14px;padding:0 0 56px}
@media(min-width:768px){.hero-strip{grid-template-columns:repeat(3,1fr);gap:18px}}
.strip-item{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.18);border-radius:var(--radius-md);padding:20px 22px;color:#fff;backdrop-filter:blur(4px)}
.strip-item h3{font-size:17px;margin-bottom:6px;color:#fff}
.strip-item p{font-size:14px;line-height:1.75;color:rgba(255,255,255,.78)}
.strip-item .ico{width:36px;height:36px;border-radius:10px;display:grid;place-items:center;background:linear-gradient(120deg,#C8873A,#E0A458);color:#fff;font-size:15px;margin-bottom:12px}

/* anchor bar */
.anchorbar{position:sticky;top:var(--nav-h);z-index:50;background:rgba(247,243,235,.95);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.anchor-list{display:flex;gap:8px;overflow-x:auto;padding:11px 0;scrollbar-width:none}
.anchor-list::-webkit-scrollbar{display:none}
.anchor-list a{white-space:nowrap;padding:7px 16px;border-radius:999px;border:1px solid var(--line);background:#fff;font-size:14px;color:var(--ink-2);transition:all .2s ease}
.anchor-list a:hover{border-color:var(--brand-400);color:var(--brand-700)}
.anchor-list a.active{background:var(--brand-50);border-color:var(--brand-400);color:var(--brand-700);font-weight:600}

/* layout */
.grid-12{display:grid;grid-template-columns:1fr;gap:24px}
@media(min-width:1024px){
  .grid-12{grid-template-columns:repeat(12,1fr);gap:28px;align-items:start}
  .col-4{grid-column:span 4}
  .col-8{grid-column:span 8}
  .col-7{grid-column:span 7}
  .col-5{grid-column:span 5}
}
.sticky-col{position:sticky;top:150px}
.stack{display:grid;gap:18px}

/* cards */
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-md);box-shadow:var(--shadow-sm);transition:box-shadow .24s ease,transform .24s ease,border-color .24s ease}
.card:hover{box-shadow:var(--shadow-md);transform:translateY(-2px);border-color:var(--brand-400)}
.card-pad{padding:22px}
.mini-card{background:#fff;border:1px solid var(--line);border-radius:14px;padding:18px;display:flex;gap:14px;transition:box-shadow .22s ease,border-color .22s ease}
.mini-card:hover{border-color:var(--brand-400);box-shadow:var(--shadow-sm)}
.mini-card .ico{flex:0 0 38px;width:38px;height:38px;border-radius:11px;display:grid;place-items:center;background:var(--brand-50);color:var(--brand-600);font-size:15px}
.mini-card h4{font-size:15px;font-weight:600;margin-bottom:3px}
.mini-card p{font-size:13.5px;color:var(--ink-2);line-height:1.7}
.side-card{background:linear-gradient(180deg,#F0F8F4,#FFFFFF);border:1px solid var(--brand-100);border-radius:var(--radius-lg);padding:24px;box-shadow:var(--shadow-sm)}
.side-card h3{font-size:18px;margin-bottom:14px}
.side-list li{display:flex;gap:10px;font-size:14.5px;color:var(--ink-2);padding:8px 0;line-height:1.7}
.side-list li i{color:var(--copper-500);margin-top:6px;font-size:12px}
.side-card .btn{width:100%;margin-top:16px}

.hcard{display:grid;grid-template-columns:1fr;gap:0;background:#fff;border:1px solid var(--line);border-radius:var(--radius-md);overflow:hidden;box-shadow:var(--shadow-sm);transition:box-shadow .24s ease,transform .24s ease,border-color .24s ease}
.hcard:hover{box-shadow:var(--shadow-md);transform:translateY(-2px);border-color:var(--brand-400)}
@media(min-width:640px){.hcard{grid-template-columns:210px 1fr;align-items:stretch}}
.hcard-figure{position:relative;aspect-ratio:16/10;overflow:hidden}
@media(min-width:640px){.hcard-figure{aspect-ratio:auto;height:100%;min-height:170px}}
.hcard-figure img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.hcard:hover .hcard-figure img{transform:scale(1.04)}
.hcard-body{padding:22px}
.hcard-body h3{margin-bottom:8px}
.hcard-body p{font-size:14.5px;color:var(--ink-2);line-height:1.8}
.hcard .tagline{margin-top:14px}

/* myths */
.myth-row{background:#fff;border:1px solid var(--line);border-radius:var(--radius-md);padding:20px;box-shadow:var(--shadow-sm)}
.myth-pair{display:grid;grid-template-columns:1fr;gap:14px;margin-top:4px}
@media(min-width:768px){.myth-pair{grid-template-columns:1fr 1fr;gap:18px}}
.myth-side{border-radius:14px;padding:16px 18px;font-size:14.5px;line-height:1.8}
.myth-side.wrong{background:#F4F2ED;color:var(--ink-2);border:1px solid var(--line)}
.myth-side.right{background:var(--brand-50);border:1px solid var(--copper-400);color:var(--brand-800)}
.myth-side .mark{display:inline-flex;align-items:center;gap:8px;font-weight:600;font-size:13px;margin-bottom:8px}
.myth-side.wrong .mark{color:#8A8A80}
.myth-side.right .mark{color:var(--copper-600)}
.myth-row > h3{font-size:16px;color:var(--brand-800)}

/* metrics */
.metric-grid{display:grid;grid-template-columns:1fr;gap:20px}
@media(min-width:640px){.metric-grid{grid-template-columns:repeat(3,1fr)}}
.metric-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-md);padding:24px;box-shadow:var(--shadow-sm);position:relative;overflow:hidden}
.metric-card .num{font-size:clamp(28px,4vw,40px);font-weight:700;color:var(--brand-700);line-height:1.1}
.metric-card .unit{font-size:15px;font-weight:600;color:var(--copper-600);margin-left:6px}
.metric-card h3{font-size:16px;margin:12px 0 6px}
.metric-card p{font-size:14px;color:var(--ink-2);line-height:1.8}
.metric-card::after{content:"";position:absolute;left:24px;bottom:20px;width:0;height:3px;border-radius:3px;background:linear-gradient(120deg,#C8873A,#E0A458);transition:width .28s ease}
.metric-card:hover::after{width:56px}

/* faq */
.faq-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);overflow:hidden}
.faq-item + .faq-item{border-top:1px solid var(--line)}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;text-align:left;padding:20px 24px;font-size:16px;font-weight:600;color:var(--brand-800);transition:background .2s ease}
.faq-q:hover{background:var(--brand-50)}
.faq-q i{flex:0 0 auto;width:26px;height:26px;border-radius:50%;border:1px solid var(--line);display:grid;place-items:center;font-size:11px;color:var(--copper-600);transition:transform .24s ease,background .24s ease}
.faq-item.is-open .faq-q i{transform:rotate(45deg);background:var(--copper-100)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .26s ease}
.faq-item.is-open .faq-a{max-height:560px}
.faq-a p{padding:0 24px 22px;font-size:15px;line-height:1.85;color:var(--ink-2);max-width:760px}

/* cta band */
.cta-band{position:relative;overflow:hidden;background:linear-gradient(160deg,#0B2A24,#145445);border-radius:var(--radius-lg);padding:32px 26px;color:#fff;display:grid;gap:20px;box-shadow:var(--shadow-lg)}
@media(min-width:900px){.cta-band{grid-template-columns:1fr auto;align-items:center;padding:44px 46px}}
.cta-band h2{color:#fff;font-size:clamp(21px,2.4vw,28px)}
.cta-band p{color:rgba(255,255,255,.78);font-size:15px;margin-top:10px;max-width:620px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}

/* footer */
.site-footer{margin-top:20px;background:linear-gradient(160deg,#0B2A24,#145445);color:rgba(255,255,255,.72);position:relative;border-top:3px solid transparent;border-image:linear-gradient(120deg,#C8873A,#E0A458) 1}
.site-footer .footer-grid{display:grid;grid-template-columns:1fr;gap:28px;padding:52px 0 36px}
@media(min-width:640px){.site-footer .footer-grid{grid-template-columns:1fr 1fr}}
@media(min-width:1024px){.site-footer .footer-grid{grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:32px}}
.site-footer h4{color:#fff;font-size:15px;font-weight:600;margin-bottom:14px}
.site-footer .logo-text{color:#fff}
.site-footer .footer-brand p{font-size:14px;line-height:1.85;max-width:380px}
.site-footer .footer-col a,.site-footer .footer-col li{display:block;font-size:14px;color:rgba(255,255,255,.72);padding:6px 0;transition:color .2s ease}
.site-footer .footer-col a:hover{color:#fff}
.footer-bottom{border-top:1px solid rgba(255,255,255,.14);padding:18px 0 26px;display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;font-size:13px}
.footer-bottom .links{display:flex;flex-wrap:wrap;gap:16px}
.footer-bottom .links a:hover{color:#fff}

/* reveal */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .6s ease,transform .6s ease}
.reveal.is-visible{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  *{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important}
}