/* ===== WuyouVPN 风格模仿版 · 设计令牌 ===== */
:root{
  --bg:#0B0B0F;
  --bg-2:#121218;
  --card:#15151D;
  --card-2:#1B1B25;
  --line:#262630;
  --line-strong:#3a3a48;
  --brand:#D4AF37;
  --brand-2:#F4D06F;
  --brand-grad:linear-gradient(135deg,#D4AF37,#F4D06F);
  --text:#FFFFFF;
  --muted:#A6A6B2;
  --green:#25C26E;
  --radius:18px;
  --radius-sm:11px;
  --radius-xs:8px;
  --maxw:1180px;
  --nav-h:68px;
  --ease:cubic-bezier(.4,0,.2,1);
  --shadow-sm:0 4px 16px rgba(0,0,0,.30);
  --shadow:0 18px 50px rgba(0,0,0,.45);
  --shadow-lg:0 26px 70px rgba(0,0,0,.55);
  --shadow-glow:0 14px 40px rgba(212,175,55,.35);
  --sheen:rgba(255,255,255,.06);
  --font:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue","PingFang SC","Microsoft YaHei",sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--text);font-family:var(--font);line-height:1.6;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
img,svg{display:block;max-width:100%}
::selection{background:rgba(212,175,55,.35);color:#fff}
:focus-visible{outline:2px solid var(--brand-2);outline-offset:3px;border-radius:4px}
.container{max-width:var(--maxw);margin:0 auto;padding:0 22px}
section{padding:96px 0}
.eyebrow{display:inline-block;font-size:.8rem;font-weight:700;letter-spacing:.14em;text-transform:uppercase;
  color:var(--brand-2);background:rgba(212,175,55,.12);padding:6px 14px;border-radius:999px;margin-bottom:18px}
.section-head{max-width:680px;margin:0 auto 56px;text-align:center}
.section-head h2{font-size:clamp(1.9rem,4vw,2.7rem);line-height:1.18;font-weight:800;letter-spacing:-.02em}
.section-head p{color:var(--muted);font-size:1.08rem;margin-top:14px}
.section-head h2 .accent{background:var(--brand-grad);-webkit-background-clip:text;background-clip:text;color:transparent}

/* ===== 按钮 ===== */
.btn{display:inline-flex;align-items:center;gap:8px;font-weight:700;font-size:.98rem;padding:13px 26px;border-radius:999px;font-family:inherit;
  border:1px solid transparent;cursor:pointer;transition:transform .2s var(--ease),box-shadow .25s var(--ease),background .25s}
.btn-primary{background:var(--brand-grad);color:#fff;box-shadow:var(--shadow-glow)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 18px 48px rgba(212,175,55,.5)}
.btn-ghost{background:rgba(255,255,255,.06);color:#fff;border-color:var(--line)}
.btn-ghost:hover{background:rgba(255,255,255,.12);transform:translateY(-2px)}
.btn-lg{padding:15px 32px;font-size:1.05rem}
.btn:active{transform:translateY(0);box-shadow:var(--shadow-sm)}

/* ===== 下载确认弹窗（JS 控制下载地址，前台不显示真实地址） ===== */
.popup-overlay{position:fixed;inset:0;background:rgba(0,0,0,.6);display:none;align-items:center;justify-content:center;z-index:9999;padding:20px}
.popup-overlay.active{display:flex}
.popup{background:#15151c;border:1px solid rgba(212,175,55,.3);border-radius:14px;max-width:380px;width:100%;padding:28px;text-align:center;box-shadow:0 20px 60px rgba(0,0,0,.5);animation:popupIn .2s var(--ease)}
.popup-ic{font-size:34px;margin-bottom:8px}
.popup h3{margin:0 0 8px;font-size:20px;color:#f4f4f6}
.popup p{margin:0 0 20px;color:#a9a9b3;font-size:14px;line-height:1.6}
.popup-btns{display:flex;gap:12px;justify-content:center}
.popup-btns .btn{flex:1;justify-content:center}
@keyframes popupIn{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}

/* ===== 顶部导航（注入） ===== */
.site-header{position:fixed;top:0;left:0;right:0;height:var(--nav-h);z-index:50;
  display:flex;align-items:center;background:rgba(11,11,15,.72);backdrop-filter:blur(14px);
  border-bottom:1px solid transparent;transition:border-color .3s,background .3s}
.site-header.scrolled{border-color:var(--line);background:rgba(11,11,15,.92)}
.site-header .container{display:flex;align-items:center;gap:28px;width:100%}
.logo{display:flex;align-items:center;gap:9px;font-weight:800;font-size:1.18rem;letter-spacing:-.01em}
.logo .mark{width:30px;height:30px;color:var(--brand-2)}
.logo em{color:var(--brand-2);font-style:normal}
.main-nav{margin-left:8px}
.main-nav ul{display:flex;gap:6px;list-style:none}
.main-nav a{padding:8px 14px;border-radius:10px;color:var(--muted);font-weight:600;font-size:.95rem;transition:color .2s,background .2s}
.main-nav a:hover{color:#fff;background:rgba(255,255,255,.06)}
.main-nav a.active{color:#fff;background:rgba(212,175,55,.16)}
.nav-actions{margin-left:auto;display:flex;align-items:center;gap:12px}
.nav-toggle{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:8px}
.nav-toggle span{width:24px;height:2px;background:#fff;border-radius:2px;transition:.3s}

/* ===== Hero ===== */
.hero{padding:150px 0 80px;text-align:center;position:relative;overflow:hidden}
.hero::before{content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(70% 60% at 50% 0%,rgba(212,175,55,.22),transparent 70%),
             radial-gradient(42% 36% at 85% 18%,rgba(244,208,111,.12),transparent 70%)}
.hero::after{content:"";position:absolute;inset:0;pointer-events:none;opacity:.55;
  background-image:radial-gradient(rgba(255,255,255,.05) 1px,transparent 1.4px);
  background-size:26px 26px;
  -webkit-mask-image:radial-gradient(80% 70% at 50% 0%,#000,transparent 75%);
  mask-image:radial-gradient(80% 70% at 50% 0%,#000,transparent 75%)}
.hero .container{position:relative;z-index:1}
.hero h1{font-size:clamp(2.3rem,5.5vw,4rem);line-height:1.08;font-weight:850;letter-spacing:-.03em;max-width:14ch;margin:0 auto}
.hero h1 .accent{background:var(--brand-grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero .lead{color:var(--muted);font-size:clamp(1.05rem,2.2vw,1.3rem);max-width:60ch;margin:22px auto 34px}
.hero-cta{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}
.hero-figure{width:min(520px,90%);margin:60px auto 0}
.hero-figure svg,.hero-figure .ti{width:100%;height:auto;filter:drop-shadow(0 20px 60px rgba(212,175,55,.35))}
.hero-figure .ti{display:block;width:auto;max-width:520px;margin:0 auto;text-align:center;font-size:280px;line-height:1;background:var(--brand-grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.trust{display:flex;gap:34px;justify-content:center;flex-wrap:wrap;margin-top:46px;color:var(--muted);font-size:.92rem}
.trust b{color:#fff;font-weight:700}
.trust .dot{width:6px;height:6px;border-radius:50%;background:var(--green);display:inline-block;margin-right:8px;vertical-align:middle}

/* ===== 功能卡片 ===== */
.grid{display:grid;gap:22px}
.cols-3{grid-template-columns:repeat(3,1fr)}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:30px 26px;
  transition:transform .25s var(--ease),border-color .25s,box-shadow .25s}
.card:hover{transform:translateY(-6px);border-color:rgba(212,175,55,.4);box-shadow:var(--shadow-glow)}
.card .icon{width:56px;height:56px;border-radius:15px;display:flex;align-items:center;justify-content:center;
  background:var(--brand-grad);color:#fff;margin-bottom:18px}
.card .icon svg{width:28px;height:28px}
.card h3{font-size:1.18rem;margin-bottom:8px}
.card p{color:var(--muted);font-size:.96rem}
/* 卡片顶部微高光：参考 kldk 设计系统，暗色主题下用细微亮边营造层次（不引入内联样式） */
.card,.plan,.dl-card,.blog-card,.report-card,.acc-item,.feat-link,.plat,.table-wrap,
.split .visual,.feat-media,.dl-hero,.req-item,.country,.info-card,.contact-form,.status-list{
  border-top-color:var(--sheen)}

/* ===== 对比表 ===== */
.compare{background:var(--bg-2)}
.table-wrap{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:var(--card)}
table.cmp{width:100%;border-collapse:collapse;font-size:.95rem}
table.cmp th,table.cmp td{padding:16px 18px;text-align:center;border-bottom:1px solid var(--line)}
table.cmp thead th{background:var(--card-2);font-weight:700}
table.cmp thead th.feat{color:var(--brand-2);font-size:1.05rem}
table.cmp td.row{text-align:left;color:var(--muted);font-weight:600}
table.cmp tbody tr:last-child td{border-bottom:0}
table.cmp .yes{color:var(--green);font-weight:800}
table.cmp .no{color:#5a5a66}
table.cmp .partial{color:var(--muted)}

/* ===== What is VPN ===== */
.split{display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:center}
.split .copy h2{font-size:clamp(1.8rem,3.6vw,2.4rem);line-height:1.2;font-weight:800;margin-bottom:18px}
.split .copy p{color:var(--muted);margin-bottom:16px}
.split .visual{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:28px;
  display:flex;align-items:center;justify-content:center}
.split .visual svg{width:100%;max-width:360px}

/* ===== 下载平台（首页简版） ===== */
.platforms{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.plat{display:flex;align-items:center;gap:14px;background:var(--card);border:1px solid var(--line);
  border-radius:var(--radius-sm);padding:18px 20px;transition:border-color .25s,transform .2s var(--ease)}
.plat:hover{border-color:rgba(212,175,55,.45);transform:translateY(-3px)}
.plat .pic{width:42px;height:42px;border-radius:11px;background:var(--brand-grad);display:flex;align-items:center;justify-content:center;color:#fff;font-weight:800;font-size:1rem}
.plat .pic i{font-size:1.4rem;line-height:1}
.plat span{font-weight:600}

/* ===== 页脚（注入） ===== */
.site-footer{background:var(--bg-2);border-top:1px solid var(--line);padding:64px 0 32px;margin-top:40px}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px}
.foot-brand .logo{margin-bottom:14px}
.foot-brand p{color:var(--muted);font-size:.92rem;max-width:34ch}
.foot-col h4{font-size:.95rem;margin-bottom:14px;color:#fff}
.foot-col ul{list-style:none;display:flex;flex-direction:column;gap:9px}
.foot-col a{color:var(--muted);font-size:.92rem;transition:color .2s}
.foot-col a:hover{color:#fff}
.foot-bottom{margin-top:44px;padding-top:22px;border-top:1px solid var(--line);
  display:flex;justify-content:space-between;align-items:center;color:var(--muted);font-size:.86rem;flex-wrap:wrap;gap:12px}
.socials{display:flex;gap:12px}
.socials a{width:36px;height:36px;border-radius:50%;background:var(--card);border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;color:var(--muted);transition:.25s}
.socials a:hover{color:#fff;border-color:var(--brand)}

/* ===== 滚动入场 ===== */
.reveal{opacity:0;transform:translateY(24px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
.reveal.in{opacity:1;transform:none}

/* ===== 内页通用 ===== */
.page-head{padding:calc(var(--nav-h) + 72px) 0 44px;text-align:center}
.page-head h1{font-size:clamp(2rem,4.5vw,3rem);font-weight:850;letter-spacing:-.02em}
.page-head p{color:var(--muted);max-width:60ch;margin:16px auto 0;font-size:1.08rem}
.breadcrumb{display:flex;gap:8px;justify-content:center;align-items:center;color:var(--muted);font-size:.9rem;margin-bottom:18px}
.breadcrumb a:hover{color:#fff}
.breadcrumb .sep{opacity:.5}

/* ===== 价格 ===== */
.price-toggle{display:inline-flex;background:var(--card);border:1px solid var(--line);border-radius:999px;padding:5px;margin:0 auto 48px;gap:4px}
.price-toggle button{border:0;background:none;color:var(--muted);font-weight:700;font-size:.95rem;padding:10px 22px;border-radius:999px;cursor:pointer;transition:.25s}
.price-toggle button.active{background:var(--brand-grad);color:#fff}
.plans{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;align-items:stretch}
.plan{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:34px 28px;
  display:flex;flex-direction:column;transition:transform .25s var(--ease),border-color .25s,box-shadow .25s}
.plan:hover{transform:translateY(-6px);border-color:rgba(212,175,55,.4);box-shadow:var(--shadow-glow)}
.plan.featured{border-color:var(--brand);box-shadow:var(--shadow-glow)}
.plan .tag{align-self:flex-start;font-size:.78rem;font-weight:700;color:var(--brand-2);background:rgba(212,175,55,.14);padding:5px 12px;border-radius:999px;margin-bottom:14px}
.plan h3{font-size:1.4rem;margin-bottom:6px}
.plan .price{font-size:2.6rem;font-weight:850;line-height:1;margin:14px 0 4px}
.plan .price .cur{font-size:1.3rem;vertical-align:super}
.plan .per{color:var(--muted);font-size:.9rem;margin-bottom:20px}
.plan ul{list-style:none;display:flex;flex-direction:column;gap:11px;margin-bottom:26px;flex:1}
.plan li{color:var(--muted);font-size:.95rem;display:flex;gap:10px;align-items:flex-start}
.plan li::before{content:"✓";color:var(--green);font-weight:800}
.plan .btn{width:100%;justify-content:center}

/* ===== 文章排版 ===== */
.prose{max-width:760px;margin:0 auto}
.prose h2{font-size:1.7rem;font-weight:800;margin:42px 0 14px}
.prose h3{font-size:1.25rem;font-weight:700;margin:28px 0 10px;color:#fff}
.prose p{color:var(--muted);margin-bottom:16px}
.prose ul{color:var(--muted);margin:0 0 16px 20px}
.prose li{margin-bottom:8px}
.prose .lead-p{color:#cfcfd8;font-size:1.12rem}
.callout{background:var(--card);border:1px solid var(--line);border-left:3px solid var(--brand);border-radius:12px;padding:20px 22px;margin:24px 0;color:var(--muted)}
.stats-row{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin:30px 0}
.stat-box{background:var(--card);border:1px solid var(--line);border-radius:var(--radius-sm);padding:24px;text-align:center}
.stat-box b{display:block;font-size:1.9rem;font-weight:850;background:var(--brand-grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.stat-box span{color:var(--muted);font-size:.9rem}

/* ===== 下载大卡 ===== */
.dl-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.dl-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:28px 24px;text-align:center;
  transition:transform .25s var(--ease),border-color .25s,box-shadow .25s}
.dl-card:hover{transform:translateY(-5px);border-color:rgba(212,175,55,.45);box-shadow:var(--shadow-glow)}
.dl-card .pic{width:64px;height:64px;border-radius:18px;background:var(--brand-grad);display:flex;align-items:center;justify-content:center;color:#fff;font-weight:800;font-size:1.5rem;margin:0 auto 16px}
.dl-card .pic i{font-size:2.2rem;line-height:1}
.dl-card h3{font-size:1.15rem;margin-bottom:6px}
.dl-card p{color:var(--muted);font-size:.9rem;margin-bottom:18px}
.dl-card .btn{width:100%;justify-content:center}

/* ===== 功能详情（图文交错） ===== */
.feat-row{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;margin-bottom:64px}
.feat-row:last-child{margin-bottom:0}
.feat-row.reverse .feat-media{order:2}
.feat-media{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:30px;
  display:flex;align-items:center;justify-content:center}
.feat-media svg{width:100%;max-width:300px}
.feat-copy h2{font-size:clamp(1.6rem,3vw,2.2rem);font-weight:800;margin-bottom:14px}
.feat-copy p{color:var(--muted);margin-bottom:16px}
.feat-list{list-style:none;display:flex;flex-direction:column;gap:10px}
.feat-list li{display:flex;gap:10px;color:var(--muted);align-items:flex-start}
.feat-list li::before{content:"✓";color:var(--green);font-weight:800}

/* ===== 博客列表 ===== */
.blog-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.blog-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
  transition:transform .25s var(--ease),border-color .25s,box-shadow .25s}
.blog-card:hover{transform:translateY(-5px);border-color:rgba(212,175,55,.4);box-shadow:var(--shadow-glow)}
.blog-thumb{height:160px;background:var(--brand-grad);opacity:.85}
.blog-body{padding:22px 24px}
.blog-meta{color:var(--muted);font-size:.82rem;margin-bottom:8px}
.blog-card h3{font-size:1.15rem;margin-bottom:8px}
.blog-card p{color:var(--muted);font-size:.92rem}

/* ===== FAQ 手风琴 ===== */
.faq{max-width:820px;margin:0 auto}
.acc-item{background:var(--card);border:1px solid var(--line);border-radius:var(--radius-sm);margin-bottom:14px;overflow:hidden}
.acc-head{width:100%;text-align:left;background:none;border:0;color:var(--text);font-weight:700;font-size:1.05rem;
  padding:20px 22px;cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:12px;font-family:inherit}
.acc-head .plus{color:var(--brand-2);font-size:1.5rem;line-height:1;transition:transform .3s var(--ease)}
.acc-item.open .acc-head .plus{transform:rotate(45deg)}
.acc-body{max-height:0;overflow:hidden;transition:max-height .3s var(--ease)}
.acc-body p{padding:0 22px 20px;color:var(--muted)}

/* ===== 联系 ===== */
.contact-wrap{display:grid;grid-template-columns:1.2fr .8fr;gap:40px;align-items:start}
.contact-form{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:30px}
.field{margin-bottom:18px}
.field label{display:block;font-size:.9rem;color:var(--muted);margin-bottom:8px}
.field input,.field textarea{width:100%;background:var(--bg-2);border:1px solid var(--line);border-radius:var(--radius-sm);
  padding:12px 14px;color:var(--text);font-family:inherit;font-size:.95rem;resize:vertical}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--brand)}
.form-note{color:var(--green);font-size:.9rem;margin-top:6px;display:none}
.form-note.show{display:block}
.info-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:28px}
.info-card h3{margin-bottom:14px}
.info-card p{color:var(--muted);margin-bottom:12px;font-size:.95rem}
.info-card a{color:var(--brand-2)}

/* ===== 状态页 ===== */
.status-list{max-width:820px;margin:0 auto;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.status-item{display:flex;align-items:center;gap:14px;padding:16px 22px;border-bottom:1px solid var(--line)}
.status-item:last-child{border-bottom:0}
.status-dot{width:10px;height:10px;border-radius:50%;background:var(--green);flex:none}
.status-dot.warn{background:#f5a623}
.status-dot.down{background:#ff5470}
.status-name{font-weight:600;flex:1}
.status-state{color:var(--muted);font-size:.9rem}

/* ===== 服务原则 ===== */
.report-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.report-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:28px;
  transition:transform .25s var(--ease),border-color .25s,box-shadow .25s}
.report-card:hover{transform:translateY(-5px);border-color:rgba(212,175,55,.4);box-shadow:var(--shadow-glow)}
.report-card .yr{font-size:2rem;font-weight:850;background:var(--brand-grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.report-card h3{font-size:1.1rem;margin:8px 0 10px}
.report-card ul{list-style:none;display:flex;flex-direction:column;gap:8px}
.report-card li{color:var(--muted);font-size:.92rem;display:flex;gap:8px;align-items:flex-start}
.report-card li::before{content:"•";color:var(--brand-2)}

/* ===== 平台下载子页 hero ===== */
.dl-hero{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:48px;text-align:center;max-width:680px;margin:0 auto}
.glyph{width:84px;height:84px;border-radius:22px;background:var(--brand-grad);display:flex;align-items:center;justify-content:center;color:#fff;font-weight:800;font-size:2.2rem;margin:0 auto 22px}
.dl-hero h2{font-size:1.55rem;margin-bottom:10px}
.dl-hero p{color:var(--muted);margin-bottom:24px}
.req-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:8px}
.req-item{background:var(--card);border:1px solid var(--line);border-radius:var(--radius-sm);padding:18px 20px}
.req-item b{display:block;color:#fff;font-size:.98rem;margin-bottom:4px}
.req-item span{color:var(--muted);font-size:.9rem}
.back-link{display:inline-flex;align-items:center;gap:8px;color:var(--brand-2);font-weight:600;margin-top:8px}
.back-link:hover{text-decoration:underline}

/* ===== 响应式 ===== */
@media(max-width:960px){
  .cols-3{grid-template-columns:repeat(2,1fr)}
  .platforms{grid-template-columns:repeat(2,1fr)}
  .split{grid-template-columns:1fr;gap:32px}
  .foot-grid{grid-template-columns:1fr 1fr}
  .plans{grid-template-columns:1fr}
  .dl-grid{grid-template-columns:repeat(2,1fr)}
  .stats-row{grid-template-columns:repeat(2,1fr)}
  .feat-row{grid-template-columns:1fr;gap:28px}
  .feat-row.reverse .feat-media{order:0}
  .blog-grid{grid-template-columns:repeat(2,1fr)}
  .contact-wrap{grid-template-columns:1fr}
  .report-grid{grid-template-columns:repeat(2,1fr)}
  .req-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:768px){
  section{padding:68px 0}
  .nav-toggle{display:flex}
  .main-nav{position:absolute;top:var(--nav-h);left:0;right:0;background:rgba(11,11,15,.97);
    border-bottom:1px solid var(--line);max-height:0;overflow:hidden;transition:max-height .3s var(--ease)}
  .main-nav.open{max-height:340px}
  .main-nav ul{flex-direction:column;padding:10px 16px;gap:2px}
  .main-nav a{display:block}
  .nav-actions .btn-ghost{display:none}
  .cols-3,.platforms{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr}
  .dl-grid{grid-template-columns:1fr}
  .stats-row{grid-template-columns:repeat(2,1fr)}
  .blog-grid{grid-template-columns:1fr}
  .report-grid{grid-template-columns:1fr}
  .req-grid{grid-template-columns:1fr}
}
@media(prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
  .reveal{opacity:1;transform:none}
}

/* ===== 功能总览：详情链接网格 ===== */
.feat-link-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.feat-link{display:flex;flex-direction:column;gap:6px;background:var(--card);border:1px solid var(--line);
  border-radius:var(--radius-sm);padding:18px 20px;transition:border-color .25s,transform .2s var(--ease)}
.feat-link:hover{border-color:rgba(212,175,55,.45);transform:translateY(-3px);box-shadow:var(--shadow-glow)}
.feat-link b{font-size:1.02rem;color:#fff}
.feat-link span{color:var(--muted);font-size:.88rem}
@media(max-width:960px){.feat-link-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:768px){.feat-link-grid{grid-template-columns:1fr}}

/* ===== 服务器国家总览 + IP 查询 ===== */
.country-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
.country{background:var(--card);border:1px solid var(--line);border-radius:var(--radius-sm);padding:14px 16px;transition:border-color .25s,transform .2s var(--ease)}
.country:hover{border-color:rgba(212,175,55,.45);transform:translateY(-2px)}
.country b{display:block;color:#fff;font-size:.98rem}
.country span{color:var(--muted);font-size:.84rem}
.ip-box{background:var(--bg-2);border:1px solid var(--line);border-radius:var(--radius-sm);padding:18px;margin:18px 0;font-size:1.3rem;font-weight:700;color:var(--brand-2);word-break:break-all;min-height:1.3rem}
@media(max-width:960px){.country-grid{grid-template-columns:repeat(3,1fr)}}
@media(max-width:768px){.country-grid{grid-template-columns:repeat(2,1fr)}}


/* demo disclaimer note */
.note{background:rgba(255,95,109,.08);border:1px solid rgba(255,95,109,.40);color:#ffd9de;padding:14px 16px;border-radius:10px;margin:0 0 20px;font-size:14px;line-height:1.65}
.note strong{color:#fff}

/* ===== 内页 Wuyou 真实版式：大 Hero / 插画区 / 渐变 CTA 带 ===== */
.phero{position:relative;padding:calc(var(--nav-h) + 88px) 0 72px;overflow:hidden}
.phero::before{content:"";position:absolute;inset:0;
  background:radial-gradient(58% 68% at 80% 8%,rgba(212,175,55,.22),transparent 70%),
             radial-gradient(48% 60% at 8% 0%,rgba(244,208,111,.12),transparent 70%)}
.phero .container{position:relative;z-index:1}
.phero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.breadcrumb-left{justify-content:flex-start;margin-bottom:22px}
.phero h1{font-size:clamp(2.2rem,4.6vw,3.5rem);line-height:1.08;font-weight:850;letter-spacing:-.03em}
.phero h1 .accent{background:var(--brand-grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.phero-lead{color:var(--muted);font-size:clamp(1.05rem,2vw,1.22rem);margin:20px 0 32px;max-width:52ch}
.phero-cta{display:flex;gap:14px;flex-wrap:wrap}
.phero-illu{position:relative}
.phero-illu svg,.phero-illu .ti{width:100%;max-width:460px;height:auto;margin:0 auto;filter:drop-shadow(0 24px 60px rgba(212,175,55,.35))}
.phero-illu .ti{display:block;width:auto;max-width:460px;margin:0 auto;text-align:center;font-size:240px;line-height:1;background:var(--brand-grad);-webkit-background-clip:text;background-clip:text;color:transparent}

.band{background:var(--brand-grad);position:relative;overflow:hidden}
.band::before{content:"";position:absolute;inset:0;
  background:radial-gradient(40% 130% at 86% 50%,rgba(255,255,255,.20),transparent 60%),
             radial-gradient(42% 130% at 8% 50%,rgba(0,0,0,.20),transparent 60%)}
.band-inner{display:grid;grid-template-columns:1.5fr auto;gap:32px;align-items:center;position:relative;z-index:1}
.band h2{font-size:clamp(1.6rem,3vw,2.2rem);font-weight:850;letter-spacing:-.02em}
.band p{color:rgba(255,255,255,.92);margin-top:10px;font-size:1.05rem;max-width:48ch}
.band-cta{display:flex;gap:12px;flex-wrap:wrap}
.band .btn-light{background:#fff;color:#5A4A10;font-weight:800;box-shadow:0 12px 30px rgba(0,0,0,.25)}
.band .btn-light:hover{transform:translateY(-2px)}

.glyph svg{width:42px;height:42px}

@media(max-width:960px){
  .phero-grid{grid-template-columns:1fr;gap:38px}
  .phero-illu{order:-1}
  .phero-illu svg{max-width:320px}
  .phero-illu .ti{font-size:160px}
  .band-inner{grid-template-columns:1fr;text-align:center;justify-items:center}
}
@media(max-width:768px){
  .phero{padding:calc(var(--nav-h) + 54px) 0 46px}
  .breadcrumb-left{justify-content:center}
  .phero-cta{justify-content:center}
}

/* extracted inline utilities (audit fix demo/34) */
.pt-20{padding-top:20px}
.text-center-mt30{text-align:center;margin-top:30px}
.pt-10{padding-top:10px}
.pt-0{padding-top:0}
.mt-18{margin-top:18px}
.text-center{text-align:center}
.mb-56{margin-bottom:56px}
.mw-720{max-width:720px}
.hidden-mt14{display:none;margin-top:14px}