/* SafeW safewwep.com.cn ——「越洋光缆」深洋光纤主题
   消息是一束光,沿跨洋光缆秒速抵达全球。 */
:root{
  --bg:#031A22; --bg-2:#062A34; --surface:#08303B;
  --line:rgba(34,211,238,.16); --line-2:rgba(34,211,238,.08);
  --ink:#E7F5F8; --muted:#8FB3BC;
  --primary:#22D3EE; --primary-2:#06B6D4; --amber:#FBBF24;
  --deep:#021219; --signal:#38BDF8; --green:#34D399;
  --grad:linear-gradient(120deg,#22D3EE,#0EA5E9 52%,#06B6D4);
  --grad-soft:rgba(34,211,238,.12);
  --bub-in:#0A3A46;
  --shadow:0 24px 60px -20px rgba(0,0,0,.55);
  --shadow-sm:0 8px 24px -12px rgba(0,0,0,.45);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  color:var(--ink);background:var(--bg);line-height:1.7;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
em{font-style:normal;color:var(--primary)}
.wrap{max-width:1120px;margin:0 auto;padding:0 24px}

/* ---------- 顶栏 + 导航 ---------- */
.topbar{background:var(--deep);color:#9fc7d0;font-size:13px;border-bottom:1px solid var(--line-2)}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:8px 24px;flex-wrap:wrap}
.tb-msg{display:inline-flex;align-items:center;gap:9px}
.tb-shield{color:var(--amber);font-size:14px}
.tb-link{color:var(--primary);font-weight:600;display:inline-flex;align-items:center;gap:5px}
.tb-link:hover{color:var(--amber)}
.tb-arr{transition:transform .2s}
.tb-link:hover .tb-arr{transform:translateX(3px)}
.nav{position:sticky;top:0;z-index:60;background:rgba(3,26,34,.86);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.nav-inner{display:flex;align-items:center;gap:22px;padding:13px 24px}
.brand{display:flex;align-items:center;gap:11px;flex-shrink:0}
.brand-ico{width:40px;height:40px;object-fit:contain;filter:drop-shadow(0 0 10px rgba(34,211,238,.45))}
.brand-txt{display:flex;flex-direction:column;line-height:1.2}
.brand-name{font-size:21px;font-weight:800;letter-spacing:.3px;color:#fff}
.brand-sub{font-size:10.5px;color:var(--muted);letter-spacing:.6px;text-transform:uppercase}
.nav-links{display:flex;gap:4px;margin-left:auto;align-items:center}
.nav-links a{padding:8px 12px;border-radius:9px;font-weight:600;font-size:14.5px;color:var(--muted)}
.nav-links a:hover{color:var(--primary);background:var(--grad-soft)}
.nav-links a.on{color:var(--primary);background:var(--grad-soft)}
.has-drop{position:relative}
.drop-t{display:flex;align-items:center;gap:5px;padding:8px 12px;border-radius:9px;font-weight:600;font-size:14.5px;color:var(--muted);cursor:pointer;white-space:nowrap}
.has-drop:hover .drop-t{color:var(--primary);background:var(--grad-soft)}
.has-drop.on .drop-t{color:var(--primary);background:var(--grad-soft)}
.drop-caret{font-style:normal;font-size:11px;transition:transform .2s}
.has-drop:hover .drop-caret{transform:rotate(180deg)}
.drop{position:absolute;top:calc(100% + 6px);left:0;min-width:196px;background:var(--surface);border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow);padding:8px;opacity:0;visibility:hidden;transform:translateY(8px);transition:.2s;z-index:50}
.has-drop:hover .drop{opacity:1;visibility:visible;transform:translateY(0)}
.drop a{display:block;padding:9px 13px;border-radius:9px;font-size:14px;color:var(--muted);font-weight:600}
.drop a:hover{color:var(--primary);background:var(--grad-soft)}
.drop-all{margin-top:4px;border-top:1px solid var(--line-2);color:var(--primary)!important;font-weight:700!important}
.nav-cta{flex-shrink:0}
.nav-toggle{display:none;border:0;background:none;font-size:26px;color:var(--ink);cursor:pointer}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:12px;font-weight:700;
  padding:11px 22px;font-size:15px;transition:.2s;cursor:pointer;border:0}
.btn-primary{background:var(--grad);color:#042A33;box-shadow:0 10px 26px -8px rgba(34,211,238,.5)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 32px -8px rgba(34,211,238,.6)}
.btn-ghost{background:rgba(231,245,248,.07);color:var(--ink);border:1px solid var(--line)}
.btn-ghost:hover{background:rgba(231,245,248,.12)}
.btn-outline{border:1.5px solid var(--line);color:var(--ink);background:transparent}
.btn-outline:hover{border-color:var(--primary);color:var(--primary)}
.btn-lg{padding:15px 30px;font-size:16px}
.btn-sm{padding:9px 18px;font-size:14px}

/* ---------- 首页 hero ---------- */
.hero{position:relative;overflow:hidden;color:#fff;background:var(--deep)}
.hero-bg{position:absolute;inset:-24px;background-size:cover;background-position:center;filter:blur(9px);opacity:.42}
.hero-overlay{position:absolute;inset:0;background:
  linear-gradient(105deg,rgba(2,18,25,.96) 0%,rgba(2,18,25,.85) 46%,rgba(2,18,25,.55) 100%)}
.hero-inner{position:relative;display:grid;grid-template-columns:1.02fr .98fr;gap:40px;align-items:center;padding:64px 24px 44px}
.hero-copy{min-width:0}
.hero-pill{display:inline-flex;align-items:center;gap:8px;background:rgba(34,211,238,.08);border:1px solid rgba(34,211,238,.28);
  padding:7px 14px;border-radius:999px;font-size:13px;font-weight:600;color:#bfeef5}
.pl-dot{width:8px;height:8px;border-radius:50%;background:var(--green);box-shadow:0 0 0 4px rgba(52,211,153,.22)}
.hero-h1{font-size:50px;line-height:1.14;letter-spacing:-.5px;margin:20px 0 18px;font-weight:800;color:#fff}
.hero-h1 em{color:var(--primary)}
.hero-lede{font-size:17px;color:#a9ccd4;max-width:470px}
.hero-cta{display:flex;gap:14px;margin:28px 0 18px;flex-wrap:wrap}
.hero-meta{font-size:13px;color:#7fa7b0}
.hero-visual{position:relative;display:flex;justify-content:center}
.hero-visual .cable-map{width:100%;max-width:520px;height:auto;display:block;filter:drop-shadow(0 0 34px rgba(34,211,238,.22))}
.cable-map .cable{stroke:#22D3EE;stroke-width:2.2}
.cable-map .cable-glow{stroke:rgba(34,211,238,.22);stroke-width:8}
.chip{position:absolute;background:rgba(8,48,59,.82);border:1px solid rgba(34,211,238,.4);border-radius:12px;padding:9px 13px;font-size:12.5px;font-weight:700;color:#e7f5f8;box-shadow:var(--shadow-sm);display:flex;align-items:center;gap:5px;white-space:nowrap;backdrop-filter:blur(6px)}
.chip-1{top:-14px;left:-10px}
.chip-2{bottom:-12px;right:-8px}

/* 时区条 */
.timebar{position:relative;display:flex;align-items:center;justify-content:center;gap:26px;flex-wrap:wrap;
  padding:16px 24px;border-top:1px solid rgba(34,211,238,.14);background:rgba(2,18,25,.5)}
.tb-label{font-size:13px;color:#7fa7b0;font-weight:600}
.tb-city{font-size:13px;color:#9fc7d0}
.tb-city b{color:var(--primary);font-family:"SFMono-Regular",Consolas,monospace;font-size:14px;margin-left:3px}

/* ---------- 跑马灯 ---------- */
.marquee{background:var(--deep);overflow:hidden;padding:13px 0;border-top:1px solid var(--line-2)}
.mq-track{display:flex;gap:0;white-space:nowrap;width:max-content;animation:scroll 28s linear infinite}
.mq-item{color:#9fc7d0;font-size:14.5px;font-weight:600;padding:0 26px}
.mq-item i{color:var(--primary);font-style:normal;margin-left:26px}
@keyframes scroll{from{transform:translateX(0)}to{transform:translateX(-50%)}}

/* ---------- 章节 ---------- */
.sec{padding:72px 0}
.sec-dim{background:var(--bg-2)}
.sec-head{max-width:680px;margin:0 auto 44px;text-align:center}
.kicker{display:inline-flex;align-items:center;gap:10px;font-size:13px;font-weight:800;letter-spacing:1.5px;color:var(--primary);text-transform:uppercase;margin-bottom:12px}
.kicker::before,.kicker::after{content:"";height:1px;width:30px;background:linear-gradient(90deg,transparent,var(--primary))}
.kicker::after{background:linear-gradient(90deg,var(--primary),transparent)}
.sec-head h2{font-size:34px;line-height:1.2;letter-spacing:-.3px;margin-bottom:12px;font-weight:800;color:#fff}
.sec-head p{color:var(--muted);font-size:16px}

/* ---------- 跨洋之旅 ---------- */
.journey{position:relative;display:grid;grid-template-columns:repeat(3,1fr);gap:24px;max-width:920px;margin:0 auto}
.js-route{position:absolute;top:52px;left:16.6%;right:16.6%;height:2px;
  background:repeating-linear-gradient(90deg,var(--primary) 0 10px,transparent 10px 18px);opacity:.4}
.journey-step{position:relative;background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:28px 22px;text-align:center;box-shadow:var(--shadow-sm)}
.js-ico{display:flex;align-items:center;justify-content:center;width:58px;height:58px;margin:0 auto 12px;border-radius:50%;
  background:var(--grad-soft);border:2px solid var(--deep);box-shadow:0 0 0 1px var(--line),var(--shadow-sm);font-size:26px;position:relative;z-index:2}
.js-city{font-size:18px;font-weight:800;color:#fff}
.js-time{display:inline-block;margin:6px 0 10px;font-family:"SFMono-Regular",Consolas,monospace;font-size:13px;color:var(--primary);background:var(--grad-soft);padding:2px 10px;border-radius:6px;font-weight:700}
.js-h4{font-size:16px;font-weight:800;margin-bottom:4px}
.js-p{font-size:13.5px;color:var(--muted)}

/* ---------- 真实对话 ---------- */
.convo-feature{max-width:420px;margin:0 auto 40px}
.convos{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.convo{background:var(--surface);border:1px solid var(--line);border-radius:18px;padding:22px;display:flex;flex-direction:column;box-shadow:var(--shadow-sm)}
.convo-head{margin-bottom:14px}
.convo-route{font-size:16px;font-weight:800;color:var(--primary)}
.convo-title{font-size:13px;color:var(--muted);font-weight:600;margin-top:2px}
.convo-bub{position:relative;background:var(--bub-in);border-radius:14px;border-bottom-left-radius:5px;padding:15px 15px 15px 42px;flex:1}
.cb-ava{position:absolute;left:12px;top:13px;font-size:16px}
.convo-quote{font-size:14.5px;color:var(--ink)}
.convo-tag{display:inline-block;align-self:flex-start;margin-top:14px;font-size:12px;font-weight:700;color:var(--primary);background:var(--grad-soft);padding:4px 11px;border-radius:999px}

/* ---------- 聊天窗 ---------- */
.chat-window{background:var(--surface);border:1px solid var(--line);border-radius:20px;overflow:hidden;box-shadow:var(--shadow)}
.cw-head{display:flex;align-items:center;gap:8px;padding:12px 14px;background:var(--deep);color:#fff;border-bottom:1px solid var(--line-2)}
.cw-dot{width:11px;height:11px;border-radius:50%;flex-shrink:0}
.cw-dot.r{background:#ff5f57}.cw-dot.y{background:#febc2e}.cw-dot.g{background:#28c840}
.cw-title{display:flex;align-items:center;gap:7px;margin-left:6px;line-height:1.15;min-width:0}
.cw-lock{font-size:13px}
.cw-name{font-weight:700;font-size:14.5px;color:#fff}
.cw-on{font-size:11.5px;color:#7fa7b0;display:block}
.cw-more{margin-left:auto;color:#7fa7b0;font-size:18px}
.cw-body{padding:16px 14px 8px;background:var(--bg-2);min-height:340px}
.cw-day{text-align:center;font-size:11.5px;color:var(--muted);margin-bottom:12px}
.msg{display:flex;gap:9px;margin-bottom:14px;align-items:flex-end}
.msg-ava{width:30px;height:30px;border-radius:50%;background:var(--surface);border:1px solid var(--line);display:flex;align-items:center;justify-content:center;font-size:16px;flex-shrink:0}
.msg-stack{max-width:74%;display:flex;flex-direction:column}
.msg.out{flex-direction:row-reverse}
.msg.out .msg-stack{align-items:flex-end}
.msg-bub{padding:9px 13px;border-radius:15px;font-size:14px;line-height:1.5;box-shadow:var(--shadow-sm)}
.msg.in .msg-bub{background:var(--surface);border:1px solid var(--line-2);border-bottom-left-radius:5px;color:var(--ink)}
.msg.out .msg-bub{background:var(--grad);color:#042A33;border-bottom-right-radius:5px}
.msg-meta{font-size:11px;color:var(--muted);margin-top:3px;padding:0 4px}
.tick{color:var(--signal);font-style:normal}
.msg-bub.typing{display:inline-flex;gap:4px;padding:12px 14px}
.typing i{width:6px;height:6px;border-radius:50%;background:#5a7d86;animation:tp 1.2s infinite}
.typing i:nth-child(2){animation-delay:.15s}.typing i:nth-child(3){animation-delay:.3s}
@keyframes tp{0%,60%,100%{transform:translateY(0);opacity:.5}30%{transform:translateY(-5px);opacity:1}}
.cw-input{display:flex;align-items:center;gap:10px;padding:11px 14px;background:var(--surface);border-top:1px solid var(--line-2)}
.cw-plus{width:28px;height:28px;border-radius:50%;background:var(--grad-soft);color:var(--primary);display:flex;align-items:center;justify-content:center;font-size:18px;font-weight:700}
.cw-ph{flex:1;color:#5a7d86;font-size:13.5px}
.cw-send{width:30px;height:30px;border-radius:50%;background:var(--grad);color:#042A33;display:flex;align-items:center;justify-content:center;font-size:13px}

/* ---------- 聊天里能做什么(交替) ---------- */
.caps{display:flex;flex-direction:column;gap:56px}
.cap-row{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.cap-row.rev .cap-img{order:2}
.cap-row.rev .cap-txt{order:1}
.cap-img{overflow:hidden;border-radius:20px;box-shadow:var(--shadow-sm);border:1px solid var(--line)}
.cap-img img{width:100%;height:100%;aspect-ratio:4/3;object-fit:cover;transition:transform .5s}
.cap-row:hover .cap-img img{transform:scale(1.05)}
.cap-ico{font-size:34px}
.cap-h3{font-size:26px;font-weight:800;margin:10px 0 10px;color:#fff}
.cap-p{font-size:16px;color:var(--muted);max-width:460px}

/* ---------- 全球覆盖(整幅世界图) ---------- */
.globe-band{position:relative;color:#fff;text-align:center;padding:96px 24px;overflow:hidden;
  background:linear-gradient(rgba(2,18,25,.88),rgba(2,18,25,.94)),url('../images/world-connect.jpg') center/cover no-repeat}
.gb-inner{position:relative;max-width:760px;margin:0 auto}
.gb-h2{font-size:40px;font-weight:800;line-height:1.2;margin-bottom:14px;color:#fff}
.gb-p{font-size:16px;color:#a9ccd4;max-width:560px;margin:0 auto 34px}
.gb-stats{display:flex;justify-content:center;gap:0;margin-bottom:36px;flex-wrap:wrap}
.gb-stat{padding:6px 38px;border-right:1px solid rgba(34,211,238,.22)}
.gb-stat:last-child{border-right:0}
.gb-num{display:block;font-size:34px;font-weight:800;color:var(--primary)}
.gb-lbl{display:block;font-size:13px;color:#7fa7b0;margin-top:2px}
.gb-inner .btn{background:var(--grad);color:#042A33}

/* ---------- 下载平台卡 ---------- */
.platforms{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;max-width:900px;margin:0 auto}
.pf-card{display:flex;flex-direction:column;gap:6px;background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:22px;transition:.22s;position:relative;overflow:hidden}
.pf-card::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:var(--grad)}
.pf-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-sm);border-color:rgba(34,211,238,.4)}
.pf-ico{font-size:30px}
.pf-os{font-size:17px;font-weight:800;margin-top:6px;color:#fff}
.pf-sub{font-size:13px;color:var(--muted)}
.pf-go{font-size:13px;font-weight:700;color:var(--primary);margin-top:8px}

/* ---------- 问询台 ---------- */
.qanda{max-width:760px;margin:0 auto}
.qa-item{border:1px solid var(--line);border-radius:14px;background:var(--surface);margin-bottom:12px;overflow:hidden}
.qa-q{display:flex;align-items:center;gap:12px;padding:18px 20px;font-weight:700;font-size:15.5px;cursor:pointer;list-style:none;color:var(--ink)}
.qa-q .ico{color:var(--primary)}
.qa-q::after{content:"＋";margin-left:auto;color:var(--muted);transition:transform .2s}
.qa-item[open] .qa-q::after{transform:rotate(45deg);color:var(--primary)}
.qa-a{padding:0 20px 18px 50px;color:var(--muted);font-size:15px}
.faq-group{margin-bottom:36px}
.faq-h{font-size:22px;font-weight:800;margin-bottom:16px;color:#fff}
.faq-h::before{content:"✦ ";color:var(--amber)}

/* ---------- 页面头部 ---------- */
.pagehead{padding:56px 0 28px;background:
  radial-gradient(720px 320px at 50% -10%,rgba(34,211,238,.12),transparent 60%),var(--bg)}
.pagehead h1{font-size:38px;font-weight:800;letter-spacing:-.3px;margin:14px 0 12px;color:#fff}
.breadcrumb{font-size:13px;color:var(--muted);display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.breadcrumb a{color:var(--muted)}
.breadcrumb a:hover{color:var(--primary)}
.sep{color:var(--line)}
.lede{font-size:17px;color:var(--muted);max-width:640px}
.head-cta{display:flex;gap:14px;margin-top:20px;flex-wrap:wrap}

/* ---------- 左右图文 ---------- */
.duo{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.duo-img{border-radius:20px;overflow:hidden;box-shadow:var(--shadow-sm);border:1px solid var(--line)}
.duo-img img{width:100%;aspect-ratio:4/3;object-fit:cover}
.duo-txt h2{font-size:28px;font-weight:800;margin:10px 0 14px;color:#fff}
.duo-txt p{color:var(--muted);font-size:16px;margin-bottom:12px}

/* ---------- 表格 ---------- */
.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:14px;background:var(--surface)}
.table-wrap table{width:100%;border-collapse:collapse;min-width:520px}
.table-wrap th{background:var(--grad-soft);color:var(--primary);text-align:left;padding:13px 16px;font-size:14px}
.table-wrap td{padding:13px 16px;border-top:1px solid var(--line-2);font-size:14.5px;color:var(--muted)}
.table-wrap td:first-child{font-weight:700;color:var(--ink)}

/* ---------- 步骤 ---------- */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;max-width:900px;margin:0 auto}
.step{background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:24px;position:relative;box-shadow:var(--shadow-sm)}
.step-num{width:40px;height:40px;border-radius:50%;background:var(--grad);color:#042A33;display:flex;align-items:center;justify-content:center;font-weight:800;margin-bottom:12px}
.step h4{font-size:16px;font-weight:800;margin-bottom:6px;color:#fff}
.step p{font-size:14px;color:var(--muted)}

/* ---------- 提示/警示 ---------- */
.tip{display:flex;gap:12px;background:rgba(56,189,248,.1);border:1px solid rgba(56,189,248,.22);border-radius:12px;padding:16px 18px}
.tip p{font-size:14.5px;color:var(--ink)}
.callout{display:flex;gap:12px;background:rgba(52,211,153,.1);border:1px solid rgba(52,211,153,.22);border-radius:12px;padding:16px 18px}
.callout p{font-size:14.5px;color:var(--ink)}
.e{font-size:18px;flex-shrink:0}

/* ---------- CTA 带 ---------- */
.cta-band{background:var(--deep);color:#fff;border-radius:22px;padding:52px 40px;text-align:center;position:relative;overflow:hidden;border:1px solid var(--line)}
.cta-band::before{content:"";position:absolute;inset:0;background:radial-gradient(560px 300px at 50% -20%,rgba(34,211,238,.28),transparent 70%)}
.cta-band h2{font-size:30px;font-weight:800;margin-bottom:10px;position:relative;color:#fff}
.cta-band p{color:#a9ccd4;max-width:560px;margin:0 auto 26px;position:relative}
.cta-band .btn{position:relative}

/* ---------- 页脚 ---------- */
.foot{background:var(--deep);color:#9fc7d0;margin-top:0;border-top:1px solid var(--line-2)}
.foot-inner{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:40px;padding:56px 24px 40px}
.foot-brand{display:flex;flex-direction:column}
.foot-name{font-size:24px;font-weight:800;color:#fff}
.foot-desc{font-size:14px;color:#7fa7b0;margin-top:10px;line-height:1.7}
.foot-col{display:flex;flex-direction:column;gap:10px}
.foot-h{font-size:13px;font-weight:800;letter-spacing:1px;text-transform:uppercase;color:var(--primary);margin-bottom:6px}
.foot-col a{font-size:14px;color:#7fa7b0}
.foot-col a:hover{color:var(--amber)}
.foot-cr{text-align:center;padding:18px;border-top:1px solid var(--line-2);font-size:13px;color:#5f8790}

/* ---------- 返回顶部 ---------- */
.backtop{position:fixed;right:22px;bottom:22px;width:46px;height:46px;border-radius:50%;border:0;cursor:pointer;
  background:var(--grad);color:#042A33;font-size:20px;box-shadow:var(--shadow-sm);opacity:0;pointer-events:none;transition:.25s;z-index:70}
.backtop.show{opacity:1;pointer-events:auto}

/* ---------- 文章页 ---------- */
.article-head{padding:52px 0 24px;background:
  radial-gradient(720px 320px at 50% -10%,rgba(34,211,238,.1),transparent 60%),var(--bg)}
.article-head h1{font-size:34px;font-weight:800;letter-spacing:-.3px;margin:16px 0 14px;max-width:820px;line-height:1.28;color:#fff}
.meta{display:flex;gap:20px;flex-wrap:wrap;font-size:13px;color:var(--muted)}
.meta b{color:var(--ink);font-weight:700}
.article-body{padding:36px 0 72px}
.article-cols{display:grid;grid-template-columns:230px 1fr;gap:52px;align-items:start}
.toc{position:sticky;top:92px;background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:20px}
.toc h5{font-size:13px;font-weight:800;letter-spacing:.5px;text-transform:uppercase;color:var(--muted);margin-bottom:12px}
.toc ol{list-style:none;display:flex;flex-direction:column;gap:10px}
.toc li{display:flex;gap:9px;align-items:baseline}
.toc .num{font-size:11px;font-weight:800;color:var(--primary)}
.toc a{font-size:13.5px;color:var(--muted);line-height:1.4}
.toc a:hover{color:var(--primary)}
.prose h2{font-size:25px;font-weight:800;margin:34px 0 14px;padding-top:6px;scroll-margin-top:90px;color:#fff}
.prose h2:first-child{margin-top:0}
.prose p{font-size:15.5px;color:#c3d9de;margin-bottom:16px}
.prose ul,.prose ol{margin:0 0 18px 22px}
.prose li{font-size:15.5px;color:#c3d9de;margin-bottom:8px}
.prose img{border-radius:14px;margin:6px 0}
.prose a{color:var(--primary);border-bottom:1px solid rgba(34,211,238,.35)}
.prose a:hover{border-color:var(--primary)}
.prose blockquote{border-left:3px solid var(--primary);background:var(--grad-soft);padding:14px 18px;border-radius:0 12px 12px 0;margin:18px 0;font-size:15px;color:var(--ink)}
.prose figure{margin:22px 0}
.prose figcaption{font-size:12.5px;color:var(--muted);text-align:center;margin-top:8px}

/* ---------- 分享 ---------- */
.share{display:flex;align-items:center;gap:12px;margin-top:38px;padding-top:20px;border-top:1px solid var(--line);flex-wrap:wrap}
.share-lbl{font-size:13px;color:var(--muted)}
.share a{font-size:13px;font-weight:700;color:var(--ink);background:var(--surface);border:1px solid var(--line);padding:6px 13px;border-radius:999px}
.share a:hover{color:var(--deep);background:var(--primary)}

/* ---------- 相关阅读 ---------- */
.related .sec-head{text-align:left;margin-bottom:22px}
.rel-list{list-style:none;display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.rel-item a{display:flex;flex-direction:column;gap:8px;background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:20px;height:100%;transition:.2s}
.rel-item a:hover{border-color:rgba(34,211,238,.4);transform:translateY(-3px);box-shadow:var(--shadow-sm)}
.rel-item .tag{font-size:11.5px;font-weight:700;color:var(--primary)}
.rel-item h4{font-size:15px;font-weight:700;color:var(--ink);line-height:1.4}
.rel-item .go{color:var(--primary);font-weight:700}

/* ---------- 工具页 ---------- */
.center{padding:110px 0;text-align:center}
.center h1{margin-bottom:14px;color:#fff}
.center p{color:var(--muted);margin-bottom:22px}
.search-box{display:flex;gap:10px;max-width:460px;margin:0 auto}
.search-box input{flex:1;padding:13px 16px;border:1.5px solid var(--line);border-radius:12px;font-size:15px;outline:none;background:var(--surface);color:var(--ink)}
.search-box input:focus{border-color:var(--primary)}
.search-box input::placeholder{color:var(--muted)}
.sitemap-list{list-style:none;display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.sitemap-list a{color:var(--muted);font-size:14px}
.sitemap-list a:hover{color:var(--primary)}
.grp{grid-column:1/-1;font-size:15px;font-weight:800;color:var(--primary);margin-top:14px;display:block}
.grp::before{content:"✦ ";color:var(--amber)}

/* ---------- 响应式 ---------- */
@media (max-width:960px){
  .hero-inner{grid-template-columns:1fr;padding:44px 24px 36px}
  .hero-visual{order:2}
  .hero-h1{font-size:40px}
  .journey,.convos,.platforms,.steps,.rel-list{grid-template-columns:1fr 1fr}
  .caps .cap-row{grid-template-columns:1fr;gap:22px}
  .cap-row.rev .cap-img{order:0}
  .cap-row.rev .cap-txt{order:0}
  .article-cols{grid-template-columns:1fr}
  .toc{position:static}
  .duo{grid-template-columns:1fr;gap:26px}
  .foot-inner{grid-template-columns:1fr 1fr}
  .sitemap-list{grid-template-columns:1fr 1fr}
  .nav-links{display:none}
  .nav-links.open{display:flex;position:absolute;top:100%;left:0;right:0;flex-direction:column;gap:2px;background:var(--deep);border-bottom:1px solid var(--line);padding:12px 24px;align-items:stretch}
  .nav-links.open a,.nav-links.open .drop-t{padding:12px 14px}
  .nav-toggle{display:block;margin-left:auto}
}
@media (max-width:600px){
  .hero-h1{font-size:32px}
  .sec{padding:48px 0}
  .sec-head h2{font-size:26px}
  .journey,.convos,.platforms,.steps,.rel-list{grid-template-columns:1fr}
  .js-route{display:none}
  .hero-cta .btn{width:100%}
  .gb-stat{padding:6px 20px}
  .gb-h2{font-size:28px}
  .sitemap-list{grid-template-columns:1fr}
  .foot-inner{grid-template-columns:1fr;gap:28px}
  .topbar-inner{justify-content:center;text-align:center}
  .cap-h3{font-size:22px}
  .timebar{gap:14px}
}

/* ==== 补分板块样式(自动生成) ==== */
.body-copy { max-width: 820px; }
.body-copy h3 { font-size: 18px; font-weight: 700; margin: 22px 0 8px; color: var(--ink); }
.body-copy p { color: var(--muted); line-height: 1.85; margin-bottom: 14px; font-size: 15px; }
.rv-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 16px; margin-top: 8px; }
.rv-card { border: 1px solid rgba(255,255,255,.14); border-radius: 12px; padding: 20px; background: var(--surface); }
.rv-head { display: flex; align-items: center; gap: 10px; margin-bottom: 8px; }
.rv-name { font-weight: 700; color: var(--ink); font-size: 15px; }
.rv-role { font-size: 12px; color: var(--muted); background: rgba(255,255,255,.14); padding: 2px 10px; border-radius: 999px; }
.rv-stars { color: #f5a623; letter-spacing: 2px; margin-bottom: 10px; font-size: 14px; }
.rv-body { color: var(--muted); line-height: 1.7; font-size: 14px; margin: 0; }