/* SAIGON HOUSE · 内容分发中台 展示页
   纯静态：无构建、无外部字体 / CDN。 */

:root {
  color-scheme: dark;
  --bg: #05070d;
  --bg-2: #0a0f1c;
  --surface: rgba(255, 255, 255, .035);
  --surface-2: rgba(255, 255, 255, .06);
  --line: rgba(140, 160, 255, .14);
  --line-2: rgba(140, 160, 255, .28);
  --text: #e8eefc;
  --muted: #94a1bf;
  --dim: #66738f;
  --cyan: #22d3ee;
  --blue: #4f8cff;
  --violet: #8b5cf6;
  --pink: #f472b6;
  --lime: #a3e635;
  --amber: #fbbf24;
  --red: #fb7185;
  --grad: linear-gradient(120deg, #22d3ee 0%, #4f8cff 48%, #8b5cf6 100%);
  --mono: ui-monospace, "SF Mono", SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
  --sans: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --radius: 16px;
  --gut: clamp(16px, 4vw, 32px);
  --ease: cubic-bezier(.22, .7, .2, 1);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 76px; -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--bg); color: var(--text);
  font: 16px/1.65 var(--sans); -webkit-font-smoothing: antialiased; overflow-x: hidden;
  background-image:
    radial-gradient(1100px 600px at 12% -8%, rgba(79, 140, 255, .16), transparent 60%),
    radial-gradient(900px 520px at 100% 8%, rgba(139, 92, 246, .14), transparent 60%);
  background-attachment: fixed;
}
img, svg, canvas { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; cursor: pointer; }
::selection { background: rgba(34, 211, 238, .28); }
:focus-visible { outline: 2px solid var(--cyan); outline-offset: 3px; border-radius: 6px; }

#bg { position: fixed; inset: 0; width: 100%; height: 100%; z-index: 0; pointer-events: none; opacity: .9; }
body::before {
  content: ""; position: fixed; inset: 0; z-index: 0; pointer-events: none;
  background-image:
    linear-gradient(rgba(140, 160, 255, .045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(140, 160, 255, .045) 1px, transparent 1px);
  background-size: 56px 56px;
  -webkit-mask-image: radial-gradient(ellipse 80% 70% at 50% 30%, #000 20%, transparent 78%);
  mask-image: radial-gradient(ellipse 80% 70% at 50% 30%, #000 20%, transparent 78%);
}
main, footer, .nav { position: relative; z-index: 1; }

.wrap { width: 100%; max-width: 1180px; margin: 0 auto; padding: 0 var(--gut); }
section { padding: clamp(64px, 9vw, 112px) 0; position: relative; }

/* ---------- 通用 ---------- */
.tag { display: inline-flex; align-items: center; gap: 8px; font: 600 12px/1 var(--mono); letter-spacing: .16em; text-transform: uppercase; color: var(--cyan); }
.tag .n { color: var(--dim); }
.dot { width: 7px; height: 7px; border-radius: 50%; background: var(--lime); box-shadow: 0 0 10px var(--lime); }
.dot.live { animation: pulse 1.8s ease-in-out infinite; }
@keyframes pulse { 0%, 100% { opacity: 1; transform: scale(1); } 50% { opacity: .45; transform: scale(.7); } }

h1, h2, h3, h4 { margin: 0; letter-spacing: -.02em; line-height: 1.18; }
h2.title { font-size: clamp(28px, 4.2vw, 46px); font-weight: 800; margin: 14px 0 14px; }
h3 { font-size: 19px; font-weight: 700; }
.grad, h2 em { font-style: normal; background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.lead { color: var(--muted); font-size: clamp(15px, 1.6vw, 18px); max-width: 64ch; margin: 0; }
.sec-head { margin-bottom: clamp(28px, 4vw, 48px); }
.mono { font-family: var(--mono); }
.muted { color: var(--muted); }

.card {
  position: relative; border: 1px solid var(--line); border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(255, 255, 255, .05), rgba(255, 255, 255, .016));
  -webkit-backdrop-filter: blur(10px); backdrop-filter: blur(10px);
  transition: border-color .3s var(--ease), box-shadow .3s var(--ease), transform .3s var(--ease);
}
.card.hover:hover { border-color: rgba(34, 211, 238, .42); box-shadow: 0 0 0 1px rgba(34, 211, 238, .12), 0 24px 70px -28px rgba(34, 211, 238, .35); transform: translateY(-3px); }
.pad { padding: clamp(18px, 2.4vw, 28px); }

.chip { display: inline-flex; align-items: center; gap: 6px; padding: 4px 10px; border-radius: 999px; border: 1px solid var(--line-2); background: rgba(255, 255, 255, .03); font: 500 12px/1.4 var(--mono); color: var(--muted); white-space: nowrap; }
.chip.cy { color: var(--cyan); border-color: rgba(34, 211, 238, .35); background: rgba(34, 211, 238, .07); }
.chip.vi { color: #b7a1ff; border-color: rgba(139, 92, 246, .4); background: rgba(139, 92, 246, .09); }
.chip.li { color: var(--lime); border-color: rgba(163, 230, 53, .35); background: rgba(163, 230, 53, .07); }
.chip.am { color: var(--amber); border-color: rgba(251, 191, 36, .35); background: rgba(251, 191, 36, .07); }
.chip.rd { color: var(--red); border-color: rgba(251, 113, 133, .4); background: rgba(251, 113, 133, .08); }
.chip.pk { color: var(--pink); border-color: rgba(244, 114, 182, .4); background: rgba(244, 114, 182, .08); }

.btn { display: inline-flex; align-items: center; gap: 8px; padding: 13px 22px; border-radius: 12px; font-weight: 600; font-size: 15px; border: 1px solid transparent; transition: transform .25s var(--ease), box-shadow .25s var(--ease), background .25s; }
.btn.primary { background: var(--grad); color: #04101c; box-shadow: 0 10px 34px -10px rgba(79, 140, 255, .7); }
.btn.primary:hover { transform: translateY(-2px); box-shadow: 0 16px 44px -10px rgba(34, 211, 238, .75); }
.btn.ghost { border-color: var(--line-2); background: rgba(255, 255, 255, .03); }
.btn.ghost:hover { border-color: var(--cyan); background: rgba(34, 211, 238, .06); }

.ico { width: 22px; height: 22px; stroke: currentColor; fill: none; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; flex: none; }
.ico.sm { width: 16px; height: 16px; }
.ico-box { width: 44px; height: 44px; border-radius: 12px; display: grid; place-items: center; color: var(--cyan); background: rgba(34, 211, 238, .08); border: 1px solid rgba(34, 211, 238, .25); }
.ico-box.vi { color: #b7a1ff; background: rgba(139, 92, 246, .1); border-color: rgba(139, 92, 246, .32); }
.ico-box.li { color: var(--lime); background: rgba(163, 230, 53, .08); border-color: rgba(163, 230, 53, .28); }
.ico-box.am { color: var(--amber); background: rgba(251, 191, 36, .08); border-color: rgba(251, 191, 36, .28); }
.ico-box.pk { color: var(--pink); background: rgba(244, 114, 182, .08); border-color: rgba(244, 114, 182, .3); }

.js .rv { opacity: 0; transform: translateY(20px); transition: opacity .8s var(--ease), transform .8s var(--ease); transition-delay: var(--d, 0s); }
.js .rv.in { opacity: 1; transform: none; }

.ticks { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
.ticks li { position: relative; padding-left: 26px; color: var(--muted); font-size: 15px; }
.ticks li b { color: var(--text); font-weight: 600; }
.ticks li::before { content: ""; position: absolute; left: 2px; top: .5em; width: 12px; height: 7px; border-left: 2px solid var(--cyan); border-bottom: 2px solid var(--cyan); transform: rotate(-45deg) scale(.9); opacity: .9; }

kbd, code.k { font: 500 12px var(--mono); padding: 1px 6px; border-radius: 6px; background: rgba(255, 255, 255, .07); border: 1px solid var(--line); color: var(--text); }

/* ---------- 导航 ---------- */
.nav { position: sticky; top: 0; z-index: 50; border-bottom: 1px solid transparent; transition: background .3s, border-color .3s; }
.nav.stuck { background: rgba(5, 7, 13, .78); -webkit-backdrop-filter: blur(14px); backdrop-filter: blur(14px); border-color: var(--line); }
.nav-in { display: flex; align-items: center; justify-content: space-between; gap: 20px; height: 64px; }
.brand { display: flex; align-items: center; gap: 10px; white-space: nowrap; }
.brand b { font-weight: 800; letter-spacing: .06em; font-size: 15px; }
.brand i { font-style: normal; font-size: 13px; color: var(--muted); padding-left: 10px; border-left: 1px solid var(--line-2); }
.logo { width: 30px; height: 30px; }
.links { display: flex; gap: 2px; }
.links a { padding: 8px 12px; border-radius: 8px; color: var(--muted); font-size: 14px; transition: color .2s, background .2s; }
.links a:hover, .links a.on { color: var(--text); background: rgba(255, 255, 255, .06); }
.burger { display: none; width: 40px; height: 40px; border: 1px solid var(--line-2); border-radius: 10px; background: rgba(255, 255, 255, .04); place-items: center; }
.burger span, .burger span::before, .burger span::after { display: block; width: 18px; height: 2px; background: var(--text); border-radius: 2px; position: relative; transition: transform .25s, background .25s; }
.burger span::before, .burger span::after { content: ""; position: absolute; left: 0; }
.burger span::before { top: -6px; } .burger span::after { top: 6px; }
.burger[aria-expanded="true"] span { background: transparent; }
.burger[aria-expanded="true"] span::before { transform: translateY(6px) rotate(45deg); }
.burger[aria-expanded="true"] span::after { transform: translateY(-6px) rotate(-45deg); }

/* ---------- Hero ---------- */
.hero { padding: clamp(48px, 7vw, 96px) 0 clamp(40px, 6vw, 72px); }
.hero-grid { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr); gap: clamp(28px, 4vw, 56px); align-items: center; }
.hero h1 { font-size: clamp(36px, 5.6vw, 68px); font-weight: 900; margin: 22px 0 22px; line-height: 1.1; letter-spacing: -.035em; }
.hero .lead { max-width: 52ch; }
.cta { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; }
.hero-plat { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 30px; }
.pf { display: inline-flex; align-items: center; gap: 8px; padding: 6px 12px 6px 6px; border-radius: 999px; border: 1px solid var(--line); background: rgba(255, 255, 255, .03); font-size: 13px; color: var(--muted); }
.pf i { width: 22px; height: 22px; border-radius: 50%; display: grid; place-items: center; font: 800 11px/1 var(--mono); font-style: normal; color: #fff; }
.pf.fb i { background: #3b6fe0; } .pf.ig i { background: linear-gradient(135deg, #f9a03f, #e1306c 55%, #7b3fe4); }
.pf.th i { background: #20242e; border: 1px solid #4a5163; } .pf.tg i { background: #229ed9; } .pf.rd i { background: #ff5a1f; }
.pf.wb i { background: #3b4a6b; }

.console { overflow: hidden; }
.console::before, .console::after { content: ""; position: absolute; width: 18px; height: 18px; border: 2px solid var(--cyan); opacity: .8; pointer-events: none; }
.console::before { top: -1px; left: -1px; border-right: 0; border-bottom: 0; border-top-left-radius: var(--radius); }
.console::after { bottom: -1px; right: -1px; border-left: 0; border-top: 0; border-bottom-right-radius: var(--radius); }
.win-bar { display: flex; align-items: center; gap: 7px; padding: 12px 16px; border-bottom: 1px solid var(--line); background: rgba(255, 255, 255, .025); }
.win-bar i { width: 10px; height: 10px; border-radius: 50%; background: #ff5f57; } .win-bar i:nth-child(2) { background: #febc2e; } .win-bar i:nth-child(3) { background: #28c840; }
.win-bar span { margin-left: 10px; font: 500 12px var(--mono); color: var(--dim); }
.win-bar .chip { margin-left: auto; padding: 2px 9px; }
.log { padding: 14px 16px 16px; font: 12.5px/1.75 var(--mono); height: 330px; overflow: hidden; display: flex; flex-direction: column; justify-content: flex-end; -webkit-mask-image: linear-gradient(transparent, #000 22%); mask-image: linear-gradient(transparent, #000 22%); }
.log div { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; animation: lin .5s var(--ease); }
@keyframes lin { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }
.log .t { color: var(--dim); } .log .m { color: var(--cyan); display: inline-block; min-width: 9ch; } .log .ok { color: var(--lime); } .log .wn { color: var(--amber); } .log .fx { color: #b7a1ff; }
.console-foot { display: flex; flex-wrap: wrap; gap: 8px; padding: 12px 16px; border-top: 1px solid var(--line); background: rgba(255, 255, 255, .02); }

/* ---------- 数据条 ---------- */
.strip { padding: 0 0 clamp(24px, 4vw, 40px); }
.stats { display: grid; grid-template-columns: repeat(4, 1fr); border: 1px solid var(--line); border-radius: var(--radius); background: linear-gradient(180deg, rgba(255, 255, 255, .04), rgba(255, 255, 255, .012)); overflow: hidden; }
.stat { padding: 26px 22px; position: relative; }
.stat + .stat { border-left: 1px solid var(--line); }
.stat b { display: block; font: 800 clamp(30px, 4vw, 46px)/1.1 var(--mono); background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; letter-spacing: -.02em; }
.stat span { color: var(--muted); font-size: 14px; }

/* ---------- 全链路 ---------- */
.rail { display: grid; grid-template-columns: repeat(6, 1fr); gap: 0; position: relative; margin-bottom: 26px; }
.rail::before { content: ""; position: absolute; left: 8.33%; right: 8.33%; top: 27px; height: 2px; background: linear-gradient(90deg, rgba(34, 211, 238, .5), rgba(139, 92, 246, .5)); opacity: .35; }
.rail-fill { position: absolute; left: 8.33%; top: 27px; height: 2px; width: 0; background: var(--grad); box-shadow: 0 0 14px rgba(34, 211, 238, .8); transition: width .7s var(--ease); }
.stage { background: none; border: 0; padding: 0 4px; display: flex; flex-direction: column; align-items: center; gap: 10px; text-align: center; position: relative; color: var(--muted); }
.stage .node { width: 56px; height: 56px; border-radius: 16px; display: grid; place-items: center; background: var(--bg-2); border: 1px solid var(--line-2); color: var(--muted); transition: all .35s var(--ease); position: relative; z-index: 1; }
.stage b { font-size: 14px; font-weight: 600; transition: color .3s; }
.stage small { font: 11px var(--mono); color: var(--dim); letter-spacing: .08em; }
.stage:hover .node { border-color: var(--cyan); color: var(--cyan); }
.stage.on .node { color: #04101c; background: var(--grad); border-color: transparent; box-shadow: 0 0 0 6px rgba(34, 211, 238, .12), 0 12px 36px -8px rgba(34, 211, 238, .7); transform: translateY(-3px); }
.stage.on b { color: var(--text); }
.stage-panel { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr); gap: 0; overflow: hidden; }
.stage-panel > div { padding: clamp(20px, 3vw, 34px); }
.stage-panel .code { border-left: 1px solid var(--line); background: rgba(3, 5, 10, .55); }
.stage-panel h3 { font-size: 24px; margin: 10px 0 12px; }
.stage-panel p { color: var(--muted); margin: 0 0 16px; }
.codeblock { margin: 0; font: 13px/1.85 var(--mono); color: #c8d3ee; white-space: pre-wrap; word-break: break-word; }
.codeblock .c { color: var(--dim); } .codeblock .k { color: var(--cyan); } .codeblock .s { color: var(--lime); } .codeblock .v { color: #b7a1ff; } .codeblock .w { color: var(--amber); } .codeblock .r { color: var(--red); }
.fade-swap { animation: swap .5s var(--ease); }
@keyframes swap { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }

/* ---------- 三语生成 ---------- */
.i18n-grid { display: grid; grid-template-columns: minmax(0, .92fr) 34px minmax(0, 1.1fr); gap: 14px; align-items: stretch; }
.std { display: flex; flex-direction: column; }
.std h4, .out-head h4 { font: 600 12px var(--mono); letter-spacing: .14em; color: var(--dim); text-transform: uppercase; margin-bottom: 14px; }
.kv { display: grid; grid-template-columns: auto 1fr; gap: 6px 14px; font: 13px/1.6 var(--mono); }
.kv dt { color: var(--dim); } .kv dd { margin: 0; color: #c8d3ee; } .kv dd em { font-style: normal; color: var(--cyan); }
.kv dd small { color: var(--dim); font-size: 11px; }
.arrow-col { display: grid; place-items: center; color: var(--cyan); }
.arrow-col svg { width: 28px; height: 28px; animation: nudge 1.8s ease-in-out infinite; }
@keyframes nudge { 0%, 100% { transform: translateX(0); } 50% { transform: translateX(5px); } }
.dict-note { margin-top: auto; padding-top: 18px; display: flex; flex-wrap: wrap; gap: 8px; }

.out-head { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; justify-content: space-between; margin-bottom: 14px; }
.out-head h4 { margin: 0; }
.seg { display: inline-flex; padding: 3px; border-radius: 11px; border: 1px solid var(--line-2); background: rgba(255, 255, 255, .03); gap: 2px; max-width: 100%; overflow-x: auto; scrollbar-width: none; }
.seg::-webkit-scrollbar { display: none; }
.seg button { border: 0; background: none; padding: 7px 14px; border-radius: 8px; color: var(--muted); font-size: 13.5px; font-weight: 500; white-space: nowrap; transition: all .2s; }
.seg button:hover { color: var(--text); }
.seg button[aria-selected="true"] { background: var(--grad); color: #04101c; font-weight: 700; }

.post { border-radius: 14px; border: 1px solid var(--line-2); background: #0b101d; overflow: hidden; max-width: 460px; margin: 0 auto; box-shadow: 0 30px 80px -30px rgba(0, 0, 0, .8); }
.post-h { display: flex; align-items: center; gap: 10px; padding: 12px 14px; }
.post-h .av { width: 36px; height: 36px; border-radius: 50%; background: var(--grad); display: grid; place-items: center; font: 800 12px var(--mono); color: #04101c; }
.post-h b { display: block; font-size: 14px; line-height: 1.2; } .post-h small { color: var(--dim); font-size: 12px; }
.post-h .pfl { margin-left: auto; }
.post-txt { padding: 0 14px 12px; font-size: 13.5px; line-height: 1.7; white-space: pre-wrap; word-break: break-word; max-height: 340px; overflow: auto; scrollbar-width: thin; color: #d6def2; }
.post-txt .p { color: var(--cyan); font-weight: 600; } .post-txt .rf { color: #b7a1ff; } .post-txt .ht { color: #6aa5ff; } .post-txt .lk { color: #6aa5ff; text-decoration: underline; text-decoration-color: rgba(106, 165, 255, .4); }
.media { position: relative; background: #060913; }
.media svg.sky { width: 100%; height: 100%; }
.media.r169 { aspect-ratio: 16/9; } .media.r45 { aspect-ratio: 4/5; max-height: 380px; }
.media .lbl { position: absolute; left: 10px; top: 10px; }
.slides { display: flex; height: 100%; transition: transform .5s var(--ease); }
.slide { flex: none; width: 100%; height: 100%; position: relative; display: grid; align-content: end; padding: 16px; }
.slide.cover { background: linear-gradient(180deg, rgba(5, 7, 13, .1), rgba(5, 7, 13, .9)); }
.slide.cover h5 { margin: 0 0 4px; font-size: 20px; line-height: 1.2; } .slide.cover p { margin: 0; color: #cbd5ee; font: 600 13px var(--mono); }
.slide.photos { grid-template-columns: 1fr 1fr; grid-auto-rows: 1fr; gap: 6px; padding: 10px; background: #0a0f1c; align-content: stretch; }
.slide.photos div { border-radius: 8px; position: relative; overflow: hidden; }
.slide.photos span { position: absolute; left: 6px; bottom: 6px; font: 600 11px var(--mono); background: rgba(5, 7, 13, .7); padding: 2px 7px; border-radius: 6px; }
.slide.contact { background: radial-gradient(circle at 80% 0%, rgba(139, 92, 246, .35), transparent 60%), #0a0f1c; align-content: center; gap: 8px; text-align: center; }
.slide.contact b { font-size: 18px; letter-spacing: .08em; } .slide.contact span { font: 13px var(--mono); color: #cbd5ee; }
.car-ctl { position: absolute; left: 0; right: 0; bottom: 10px; display: flex; justify-content: center; gap: 6px; z-index: 2; }
.car-ctl button { width: 8px; height: 8px; padding: 0; border-radius: 50%; border: 0; background: rgba(255, 255, 255, .35); transition: all .25s; }
.car-ctl button[aria-current="true"] { width: 22px; border-radius: 8px; background: var(--cyan); }
.meter { padding: 12px 14px 14px; border-top: 1px solid var(--line); display: grid; gap: 7px; }
.meter-top { display: flex; justify-content: space-between; font: 12px var(--mono); color: var(--muted); }
.bar { height: 6px; border-radius: 6px; background: rgba(255, 255, 255, .07); overflow: hidden; }
.bar i { display: block; height: 100%; width: 0; border-radius: 6px; background: var(--grad); transition: width .6s var(--ease); }
.trio { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin-top: 14px; }
.trio .card { padding: 16px 18px; }
.trio .lg { font: 600 11px var(--mono); letter-spacing: .14em; color: var(--dim); margin-bottom: 8px; }
.trio .ln { font: 13.5px/1.9 var(--mono); color: #d6def2; }
.trio .ln b { color: var(--cyan); font-weight: 600; }
.notes { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin-top: 14px; }
.note { display: flex; gap: 14px; padding: 18px; }
.note h4 { font-size: 15px; margin-bottom: 4px; } .note p { margin: 0; color: var(--muted); font-size: 13.5px; line-height: 1.6; }

/* ---------- 平台 ---------- */
.plat-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.plat { display: flex; flex-direction: column; gap: 16px; }
.plat-top { display: flex; align-items: center; gap: 12px; }
.plat-top .pfl { width: 42px; height: 42px; border-radius: 12px; display: grid; place-items: center; font: 800 16px var(--mono); color: #fff; }
.plat-top h3 { font-size: 20px; } .plat-top small { color: var(--dim); display: block; font-size: 13px; line-height: 1.3; }
.spec { display: flex; flex-wrap: wrap; gap: 8px; margin-top: auto; padding-top: 6px; }
.more { display: grid; grid-template-columns: repeat(5, 1fr); gap: 12px; margin-top: 16px; }
.more .card { padding: 16px; display: grid; gap: 8px; align-content: start; }
.more b { font-size: 15px; } .more p { margin: 0; font-size: 13px; color: var(--muted); line-height: 1.55; }

/* ---------- 自动运营 ---------- */
.two { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.slots { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; margin: 16px 0 18px; }
.slot { padding: 10px 8px; border-radius: 10px; border: 1px dashed var(--line-2); text-align: center; font: 12px var(--mono); color: var(--dim); position: relative; transition: all .5s var(--ease); }
.slot b { display: block; color: var(--text); font-size: 15px; margin-bottom: 2px; }
.slot.fill { border-style: solid; border-color: rgba(34, 211, 238, .5); background: rgba(34, 211, 238, .08); color: var(--cyan); }
.cand { display: grid; gap: 10px; }
.cd { display: grid; grid-template-columns: 74px 1fr auto; gap: 12px; align-items: center; padding: 12px 14px; border-radius: 12px; border: 1px solid var(--line); background: rgba(255, 255, 255, .02); }
.cd .code { font: 700 13px var(--mono); }
.cd .why { display: flex; flex-wrap: wrap; gap: 5px; margin-top: 6px; }
.cd .why span { font: 11px var(--mono); color: var(--muted); padding: 1px 7px; border-radius: 6px; background: rgba(255, 255, 255, .05); }
.cd .why span.minus { color: var(--red); }
.cd .sc { font: 800 22px var(--mono); }
.cd.skip { opacity: .62; border-style: dashed; }
.cd.skip .sc { color: var(--red); font-size: 14px; }
.cd .scbar { height: 4px; border-radius: 4px; background: rgba(255, 255, 255, .07); margin-top: 7px; overflow: hidden; }
.cd .scbar i { display: block; height: 100%; width: 0; background: var(--grad); transition: width 1.2s var(--ease); }

.tg { display: flex; flex-direction: column; gap: 0; }
.tg-head { display: flex; align-items: center; gap: 10px; padding-bottom: 14px; border-bottom: 1px solid var(--line); }
.tg-head .pfl { width: 34px; height: 34px; border-radius: 50%; background: #229ed9; display: grid; place-items: center; font-weight: 800; }
.tg-body { display: flex; flex-direction: column; gap: 10px; padding: 16px 0 4px; min-height: 360px; }
.bub { max-width: 86%; padding: 10px 14px; border-radius: 14px; font-size: 14px; line-height: 1.6; animation: lin .45s var(--ease); white-space: pre-wrap; }
.bub.me { align-self: flex-end; background: linear-gradient(135deg, #1e6fb8, #2a8fd6); border-bottom-right-radius: 4px; }
.bub.bot { align-self: flex-start; background: rgba(255, 255, 255, .07); border-bottom-left-radius: 4px; }
.bub.bot.ok { border-left: 3px solid var(--lime); } .bub.bot.er { border-left: 3px solid var(--amber); }
.bub small { display: block; color: var(--dim); font: 11px var(--mono); margin-top: 3px; }
.btns { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 8px; }
.btns span { padding: 5px 11px; border-radius: 8px; background: rgba(34, 211, 238, .1); border: 1px solid rgba(34, 211, 238, .3); color: var(--cyan); font-size: 12.5px; }
.btns span.pick { background: var(--cyan); color: #04101c; font-weight: 700; }
.imgs { display: flex; gap: 4px; margin-bottom: 6px; }
.imgs i { width: 54px; height: 54px; border-radius: 8px; background: linear-gradient(135deg, #3b2a7a, #f472b6 120%); }
.imgs i:nth-child(2) { background: linear-gradient(135deg, #0e3a5c, #22d3ee 130%); } .imgs i:nth-child(3) { background: linear-gradient(135deg, #1c2a55, #4f8cff 130%); }
.replay { align-self: flex-start; margin-top: 12px; background: none; border: 1px solid var(--line-2); border-radius: 9px; padding: 6px 12px; color: var(--muted); font: 12px var(--mono); }
.replay:hover { color: var(--cyan); border-color: var(--cyan); }

/* ---------- 获客引擎 ---------- */
.eng-flow { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; margin-bottom: 20px; }
.eng-flow .s { padding: 8px 14px; border-radius: 10px; border: 1px solid var(--line-2); background: rgba(255, 255, 255, .03); font-size: 13.5px; font-weight: 500; }
.eng-flow .s small { color: var(--dim); font: 11px var(--mono); margin-right: 6px; }
.eng-flow .a { color: var(--dim); font: 14px var(--mono); }
.eng-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.eng-grid .card { display: flex; flex-direction: column; }
.card-t { display: flex; align-items: center; justify-content: space-between; gap: 10px; flex-wrap: wrap; margin-bottom: 4px; }
.card-t h3 { font-size: 18px; }
.sub { color: var(--muted); font-size: 14px; margin: 0 0 14px; }
.radar-wrap { display: grid; grid-template-columns: minmax(0, 1fr) 150px; gap: 8px; align-items: center; }
#radar { width: 100%; height: auto; overflow: visible; }
#radar text { font: 500 12px var(--sans); fill: var(--muted); }
#radar .grid { fill: none; stroke: var(--line); stroke-width: 1; }
#radar .axis { stroke: var(--line); }
#radar .thr { fill: rgba(251, 191, 36, .05); stroke: var(--amber); stroke-width: 1.2; stroke-dasharray: 4 4; }
#radar .val { fill: rgba(34, 211, 238, .2); stroke: var(--cyan); stroke-width: 2; transition: all .6s var(--ease); }
#radar .val.bad { fill: rgba(251, 113, 133, .18); stroke: var(--red); }
#radar .pt { fill: var(--cyan); transition: all .6s var(--ease); } #radar .pt.bad { fill: var(--red); }
.verdict { display: grid; gap: 8px; align-content: center; }
.verdict .big { font: 800 15px var(--mono); padding: 10px 12px; border-radius: 10px; text-align: center; }
.verdict .big.ok { color: var(--lime); background: rgba(163, 230, 53, .09); border: 1px solid rgba(163, 230, 53, .35); }
.verdict .big.no { color: var(--red); background: rgba(251, 113, 133, .09); border: 1px solid rgba(251, 113, 133, .4); }
.verdict p { margin: 0; font-size: 12.5px; color: var(--muted); line-height: 1.5; }
.donut-wrap { display: grid; grid-template-columns: 170px minmax(0, 1fr); gap: 18px; align-items: center; }
.donut { width: 100%; height: auto; transform: rotate(-90deg); }
.donut circle { fill: none; stroke-width: 15; transition: stroke-dasharray 1.2s var(--ease); }
.lgd { display: grid; gap: 6px; font-size: 13.5px; }
.lgd div { display: flex; align-items: center; gap: 9px; color: var(--muted); } .lgd i { width: 10px; height: 10px; border-radius: 3px; flex: none; } .lgd b { margin-left: auto; font: 600 13px var(--mono); color: var(--text); }
.weights { display: flex; height: 38px; border-radius: 10px; overflow: hidden; border: 1px solid var(--line-2); margin: 6px 0 12px; }
.weights i { display: grid; place-items: center; font: 600 11px var(--mono); color: #04101c; font-style: normal; flex: none; transition: flex-basis 1s var(--ease); }
.wl { display: flex; flex-wrap: wrap; gap: 6px 14px; font-size: 12.5px; color: var(--muted); }
.wl span::before { content: ""; display: inline-block; width: 8px; height: 8px; border-radius: 2px; background: var(--c); margin-right: 6px; }
.var-card { grid-column: 1 / -1; }
.var-body { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr); gap: 22px; align-items: center; margin-top: 8px; }
.var-body h4 { font-size: 20px; margin-bottom: 8px; } .var-body p { color: var(--muted); margin: 0 0 14px; }
.cards-row { display: flex; gap: 10px; overflow-x: auto; padding: 4px 2px 10px; scrollbar-width: thin; }
.cs { flex: none; width: 132px; aspect-ratio: 4/5; border-radius: 10px; padding: 12px; display: flex; flex-direction: column; justify-content: space-between; border: 1px solid var(--line-2); position: relative; overflow: hidden; }
.cs::before { content: ""; position: absolute; inset: 0; background: radial-gradient(circle at 90% 0%, var(--g, rgba(139, 92, 246, .45)), transparent 62%); }
.cs > * { position: relative; }
.cs .pg { font: 10px var(--mono); color: var(--dim); } .cs b { font-size: 13px; line-height: 1.35; } .cs small { font-size: 10.5px; color: #b6c2de; line-height: 1.4; }
.mini-quote { font-size: 13.5px; line-height: 1.75; padding: 14px 16px; border-radius: 12px; border: 1px solid var(--line); background: rgba(3, 5, 10, .5); color: #cbd5ee; white-space: pre-wrap; }

/* ---------- 客户消息 ---------- */
.scen { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; justify-content: space-between; margin-bottom: 16px; }
.inbox { display: grid; grid-template-columns: 230px minmax(0, 1fr) 260px; overflow: hidden; min-height: 520px; }
.inbox > div { min-width: 0; }
.convs { border-right: 1px solid var(--line); background: rgba(255, 255, 255, .015); }
.convs h5, .lead-card h5 { margin: 0; padding: 14px 16px; font: 600 11px var(--mono); letter-spacing: .14em; color: var(--dim); text-transform: uppercase; border-bottom: 1px solid var(--line); }
.cv { display: flex; gap: 10px; padding: 12px 14px; border-bottom: 1px solid var(--line); align-items: flex-start; }
.cv.on { background: rgba(34, 211, 238, .07); box-shadow: inset 2px 0 0 var(--cyan); }
.cv .av { width: 34px; height: 34px; border-radius: 50%; display: grid; place-items: center; font: 800 12px var(--mono); color: #fff; flex: none; position: relative; }
.cv .av::after { content: attr(data-p); position: absolute; right: -4px; bottom: -4px; width: 16px; height: 16px; border-radius: 50%; border: 2px solid #0b101d; font-size: 8px; display: grid; place-items: center; background: var(--pf, #3b6fe0); }
.cv b { font-size: 13px; display: block; line-height: 1.3; } .cv small { color: var(--dim); font-size: 12px; display: block; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; max-width: 130px; }
.cv .st { margin-left: auto; font: 10px var(--mono); }
.chat { display: flex; flex-direction: column; min-width: 0; }
.chat-h { display: flex; align-items: center; gap: 10px; padding: 12px 18px; border-bottom: 1px solid var(--line); flex-wrap: wrap; }
.chat-h b { font-size: 14px; }
.msgs { flex: 1; padding: 18px; display: flex; flex-direction: column; gap: 10px; overflow: hidden; justify-content: flex-start; min-height: 380px; }
.m { max-width: 82%; padding: 10px 14px; border-radius: 14px; font-size: 14px; line-height: 1.6; animation: lin .45s var(--ease); white-space: pre-wrap; }
.m.cu { align-self: flex-start; background: rgba(255, 255, 255, .08); border-bottom-left-radius: 4px; }
.m.ai { align-self: flex-end; background: linear-gradient(135deg, rgba(34, 211, 238, .22), rgba(79, 140, 255, .24)); border: 1px solid rgba(34, 211, 238, .3); border-bottom-right-radius: 4px; }
.m.hu { align-self: flex-end; background: linear-gradient(135deg, rgba(163, 230, 53, .16), rgba(163, 230, 53, .08)); border: 1px solid rgba(163, 230, 53, .35); border-bottom-right-radius: 4px; }
.m small { display: block; font: 10.5px var(--mono); color: var(--dim); margin-bottom: 3px; }
.sys { align-self: center; max-width: 94%; display: flex; flex-wrap: wrap; gap: 6px; justify-content: center; animation: lin .45s var(--ease); font: 11.5px var(--mono); color: var(--muted); }
.sys .chip { font-size: 11.5px; }
.sys.alert { padding: 10px 14px; border-radius: 12px; border: 1px solid rgba(251, 191, 36, .4); background: rgba(251, 191, 36, .07); color: var(--amber); text-align: left; flex-direction: column; gap: 2px; font: 12.5px/1.6 var(--sans); }
.sys.alert.hot { border-color: rgba(251, 113, 133, .5); background: rgba(251, 113, 133, .08); color: #ffb3c0; }
.sys.alert b { color: var(--text); }
.lead-card { border-left: 1px solid var(--line); background: rgba(255, 255, 255, .015); }
.ring-wrap { display: grid; place-items: center; padding: 18px 0 8px; position: relative; }
.ring { width: 116px; height: 116px; transform: rotate(-90deg); }
.ring circle { fill: none; stroke-width: 9; stroke-linecap: round; } .ring .bg { stroke: rgba(255, 255, 255, .08); } .ring .fg { stroke: url(#ringg); stroke-dasharray: 0 999; transition: stroke-dasharray 1s var(--ease); }
.ring-n { position: absolute; display: grid; place-items: center; text-align: center; }
.ring-n b { font: 800 30px/1 var(--mono); } .ring-n small { color: var(--dim); font: 10px var(--mono); letter-spacing: .1em; }
.lf { padding: 4px 16px 16px; display: grid; gap: 8px; font-size: 13px; }
.lf div { display: flex; justify-content: space-between; gap: 8px; padding-bottom: 7px; border-bottom: 1px dashed var(--line); }
.lf div span { color: var(--dim); } .lf div b { font-weight: 600; text-align: right; color: var(--text); min-height: 1.6em; }
.lf div b.empty { color: var(--dim); font-weight: 400; }
.reasons { padding: 0 16px 16px; display: flex; flex-wrap: wrap; gap: 5px; }
.feats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin-top: 16px; }
.feats .card { padding: 18px; display: grid; gap: 10px; align-content: start; }
.feats h4 { font-size: 15px; } .feats p { margin: 0; color: var(--muted); font-size: 13.5px; line-height: 1.6; }

/* ---------- 可靠性 ---------- */
.gates { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-bottom: 16px; }
.gate { position: relative; padding-top: 52px; }
.gate .num { position: absolute; top: 18px; left: clamp(18px, 2.4vw, 28px); font: 800 12px var(--mono); letter-spacing: .14em; color: var(--cyan); }
.gate .num::after { content: ""; display: inline-block; width: 36px; height: 1px; background: var(--cyan); vertical-align: middle; margin-left: 10px; opacity: .6; }
.gate h3 { margin-bottom: 8px; } .gate p { margin: 0 0 12px; color: var(--muted); font-size: 14px; }
.gate code { display: block; font: 12px/1.6 var(--mono); padding: 10px 12px; border-radius: 10px; background: rgba(3, 5, 10, .6); border: 1px solid var(--line); color: #b9c6e6; word-break: break-all; }
.sim { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 0; overflow: hidden; }
.sim > div { padding: clamp(18px, 2.6vw, 28px); }
.sim .term { border-left: 1px solid var(--line); background: rgba(3, 5, 10, .55); display: flex; flex-direction: column; }
.sim-btns { display: flex; flex-wrap: wrap; gap: 8px; margin: 14px 0 22px; }
.sim-btns button { padding: 8px 13px; border-radius: 10px; border: 1px solid var(--line-2); background: rgba(255, 255, 255, .03); font-size: 13.5px; color: var(--muted); transition: all .2s; }
.sim-btns button:hover { color: var(--text); border-color: var(--cyan); }
.sim-btns button[aria-pressed="true"] { color: #04101c; background: var(--grad); border-color: transparent; font-weight: 700; }
.track { display: grid; gap: 10px; }
.main-track { display: flex; align-items: center; flex-wrap: wrap; gap: 6px; }
.st-n { padding: 8px 12px; border-radius: 9px; border: 1px solid var(--line-2); font: 600 12px var(--mono); color: var(--dim); background: rgba(255, 255, 255, .02); transition: all .35s var(--ease); }
.st-n.on { color: #04101c; background: var(--cyan); border-color: var(--cyan); box-shadow: 0 0 22px rgba(34, 211, 238, .55); }
.st-n.ok { color: #04101c; background: var(--lime); border-color: var(--lime); box-shadow: 0 0 22px rgba(163, 230, 53, .45); }
.st-n.bad { color: #04101c; background: var(--red); border-color: var(--red); box-shadow: 0 0 22px rgba(251, 113, 133, .45); }
.st-n.wait { color: #04101c; background: var(--amber); border-color: var(--amber); box-shadow: 0 0 22px rgba(251, 191, 36, .4); }
.st-n.past { color: var(--cyan); border-color: rgba(34, 211, 238, .4); }
.sep { color: var(--dim); font: 12px var(--mono); }
.branch { display: flex; flex-wrap: wrap; gap: 6px; padding-left: 4px; }
.term-b { padding: 4px 0 0; font: 12.5px/1.8 var(--mono); flex: 1; min-height: 250px; color: #c0cbe6; }
.term-b div { animation: lin .35s var(--ease); } .term-b .t { color: var(--dim); } .term-b .ok { color: var(--lime); } .term-b .er { color: var(--red); } .term-b .wn { color: var(--amber); } .term-b .k { color: var(--cyan); }
.guards { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin-top: 16px; }
.guards .card { padding: 18px; display: grid; gap: 10px; align-content: start; }
.guards h4 { font-size: 15px; } .guards p { margin: 0; color: var(--muted); font-size: 13.5px; line-height: 1.6; }
.cant { margin-top: 16px; }
.cant-list { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 12px; }

/* ---------- 状态 / 技术 ---------- */
.matrix { width: 100%; border-collapse: collapse; font-size: 14px; }
.matrix th, .matrix td { text-align: left; padding: 14px 16px; border-bottom: 1px solid var(--line); vertical-align: top; }
.matrix th { font: 600 11px var(--mono); letter-spacing: .14em; color: var(--dim); text-transform: uppercase; background: rgba(255, 255, 255, .02); }
.matrix tr:last-child td { border-bottom: 0; }
.matrix td:first-child { white-space: nowrap; font-weight: 600; }
.matrix td small { color: var(--dim); display: block; font-size: 12.5px; margin-top: 2px; font-weight: 400; }
.tbl-wrap { overflow-x: auto; }
.stack-grid { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr); gap: 16px; }
.arch { display: grid; gap: 10px; }
.layer { padding: 12px 14px; border-radius: 12px; border: 1px solid var(--line); background: rgba(255, 255, 255, .025); display: flex; align-items: center; gap: 12px; flex-wrap: wrap; position: relative; }
.layer .nm { font: 700 11px var(--mono); letter-spacing: .12em; color: var(--cyan); min-width: 92px; text-transform: uppercase; }
.layer .it { display: flex; flex-wrap: wrap; gap: 6px; }
.layer.core { border-color: rgba(34, 211, 238, .45); background: linear-gradient(180deg, rgba(34, 211, 238, .08), rgba(139, 92, 246, .05)); }
.layer + .layer::before { content: ""; position: absolute; left: 50%; top: -11px; width: 1px; height: 10px; background: var(--line-2); }
.tech { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; }
.tech div { padding: 13px 15px; border-radius: 12px; border: 1px solid var(--line); background: rgba(255, 255, 255, .025); }
.tech b { display: block; font-size: 14px; } .tech span { color: var(--muted); font-size: 12.5px; line-height: 1.5; display: block; margin-top: 2px; }
.closing { text-align: center; padding: clamp(56px, 8vw, 96px) 0; }
.closing .box { padding: clamp(32px, 5vw, 64px) var(--gut); border-radius: 24px; border: 1px solid var(--line-2); background: radial-gradient(600px 240px at 50% 0%, rgba(79, 140, 255, .22), transparent 70%), linear-gradient(180deg, rgba(255, 255, 255, .05), rgba(255, 255, 255, .015)); }
.closing h2 { font-size: clamp(28px, 4.4vw, 50px); font-weight: 900; margin-bottom: 14px; }
.closing .lead { margin: 0 auto; }
footer { border-top: 1px solid var(--line); padding: 28px 0 44px; color: var(--dim); font-size: 13px; }
footer .wrap { display: flex; flex-wrap: wrap; gap: 10px 24px; justify-content: space-between; }

/* ---------- 响应式 ---------- */
@media (max-width: 1020px) {
  .hero-grid, .stage-panel, .sim, .var-body, .stack-grid, .two, .eng-grid { grid-template-columns: 1fr; }
  .stage-panel .code, .sim .term { border-left: 0; border-top: 1px solid var(--line); }
  .i18n-grid { grid-template-columns: 1fr; }
  .arrow-col { transform: rotate(90deg); height: 30px; }
  .plat-grid, .gates { grid-template-columns: 1fr; }
  .more { grid-template-columns: repeat(2, 1fr); }
  .feats, .guards { grid-template-columns: repeat(2, 1fr); }
  .inbox { grid-template-columns: 200px minmax(0, 1fr); }
  .lead-card { grid-column: 1 / -1; border-left: 0; border-top: 1px solid var(--line); display: grid; grid-template-columns: 150px 1fr; align-items: start; }
  .lead-card h5 { grid-column: 1 / -1; }
  .lead-card .reasons { grid-column: 1 / -1; }
  .ring-wrap { padding: 12px 0; }
  .notes, .trio { grid-template-columns: 1fr; }
}
@media (max-width: 860px) {
  .links { position: absolute; top: 64px; left: 0; right: 0; flex-direction: column; padding: 10px var(--gut) 16px; background: rgba(5, 7, 13, .96); -webkit-backdrop-filter: blur(14px); backdrop-filter: blur(14px); border-bottom: 1px solid var(--line); display: none; }
  .links.open { display: flex; }
  .links a { padding: 12px; font-size: 15px; }
  .burger { display: grid; }
  .brand i { display: none; }
  .rail { grid-template-columns: repeat(3, 1fr); row-gap: 18px; }
  .rail::before, .rail-fill { display: none; }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .stat:nth-child(3) { border-left: 0; } .stat:nth-child(n+3) { border-top: 1px solid var(--line); }
}
@media (max-width: 640px) {
  section { padding: 56px 0; }
  .inbox { grid-template-columns: 1fr; }
  .convs { display: none; }
  .m { max-width: 92%; }
  .radar-wrap, .donut-wrap { grid-template-columns: 1fr; }
  .donut { max-width: 190px; margin: 0 auto; }
  .more, .feats, .guards, .tech { grid-template-columns: 1fr; }
  .lead-card { grid-template-columns: 1fr; }
  .slots { grid-template-columns: repeat(2, 1fr); }
  .cd { grid-template-columns: 1fr auto; } .cd .code { grid-column: 1 / -1; }
  .log { height: 270px; font-size: 11.5px; }
  .rail { grid-template-columns: repeat(2, 1fr); }
  .tg-body { min-height: 0; }
  .matrix th, .matrix td { padding: 12px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  .js .rv { opacity: 1; transform: none; }
}

/* ================= 多章节扩展：总览 / 国内线 / 飞书 ================= */
.pf.wx i { background: #07c160; } .pf.bj i { background: #2e5bff; } .pf.zh i { background: #0a6cf0; } .pf.tt i { background: #e8403a; }
.pf.xh i { background: #ff2442; } .pf.wb i { background: #e6162d; border: 0; }
.pf.dy i { background: #111318; border: 1px solid #3a3f4e; box-shadow: inset 1px 0 #25f4ee, inset -1px 0 #fe2c55; }
.pf.fs i { background: linear-gradient(135deg, #00d6b9, #3370ff); }
.hero-plat { display: grid; gap: 10px; }
.prow { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.prow em { font: 600 11px var(--mono); font-style: normal; letter-spacing: .14em; color: var(--dim); width: 36px; }

/* 总览 */
.ov-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.ov { display: flex; flex-direction: column; gap: 14px; --ac: var(--cyan); }
.ov.b { --ac: var(--violet); } .ov.c { --ac: var(--lime); }
.ov::before { content: ""; position: absolute; left: 18px; right: 18px; top: -1px; height: 2px; background: linear-gradient(90deg, transparent, var(--ac), transparent); opacity: .85; }
.ov-h { display: flex; align-items: center; gap: 16px; }
.ov-h .letter { font: 900 46px/1 var(--mono); color: var(--ac); filter: drop-shadow(0 0 14px var(--ac)); }
.ov-h h3 { font-size: 22px; } .ov-h small { color: var(--muted); font-size: 13px; display: block; }
.ov > p { margin: 0; color: var(--muted); font-size: 14.5px; } .ov > p b { color: var(--text); }
.ov-chips { display: flex; flex-wrap: wrap; gap: 6px; }
.ov-go { margin-top: auto; display: inline-flex; align-items: center; gap: 8px; color: var(--ac); font-weight: 600; font-size: 14px; padding-top: 8px; }
.ov-go .ico { transition: transform .25s var(--ease); } .ov-go:hover .ico { transform: translateX(5px); }
.principles { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin-top: 16px; }
.principles .card { display: grid; gap: 10px; align-content: start; padding: 18px; }
.principles h4 { font-size: 15px; } .principles p { margin: 0; color: var(--muted); font-size: 13.5px; line-height: 1.6; }

/* 章节分隔页 */
.chapter { padding: clamp(40px, 6vw, 72px) 0 0; position: relative; z-index: 1; --ch: rgba(34, 211, 238, .16); --cg: linear-gradient(120deg, #22d3ee, #4f8cff); }
.chapter.b { --ch: rgba(139, 92, 246, .22); --cg: linear-gradient(120deg, #8b5cf6, #f472b6); }
.chapter.c { --ch: rgba(163, 230, 53, .15); --cg: linear-gradient(120deg, #a3e635, #22d3ee); }
.ch-in { display: grid; grid-template-columns: auto 1fr; gap: clamp(18px, 3.5vw, 48px); align-items: center; padding: clamp(24px, 4vw, 48px); border-radius: 24px; border: 1px solid var(--line-2); overflow: hidden; position: relative;
  background: radial-gradient(760px 280px at 0 0, var(--ch), transparent 70%), linear-gradient(180deg, rgba(255, 255, 255, .045), rgba(255, 255, 255, .012)); }
.ch-l { font: 900 clamp(84px, 13vw, 170px)/.8 var(--mono); background: var(--cg); -webkit-background-clip: text; background-clip: text; color: transparent; user-select: none; letter-spacing: -.04em; filter: drop-shadow(0 0 32px var(--ch)); }
.ch-in h2 { font-size: clamp(26px, 3.8vw, 42px); font-weight: 900; margin: 12px 0 10px; }
.ch-in .lead b { color: var(--text); font-weight: 600; }
.ch-nav { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 20px; }
.ch-nav a { padding: 7px 13px; border-radius: 999px; border: 1px solid var(--line-2); font: 500 13px var(--mono); color: var(--muted); background: rgba(255, 255, 255, .03); transition: all .2s; }
.ch-nav a:hover { color: var(--text); border-color: var(--cyan); background: rgba(34, 211, 238, .07); }

/* 国内线 · 主稿与平台面板 */
.master-flow { display: grid; grid-template-columns: minmax(0, 1.1fr) 34px minmax(0, 1fr); gap: 14px; margin-bottom: 16px; align-items: stretch; }
.mini-h { font: 600 12px var(--mono); letter-spacing: .14em; color: var(--dim); text-transform: uppercase; margin-bottom: 14px; }
.legend { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 16px; }
.cn-card .seg { margin-bottom: 20px; }
.cn-body { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr); gap: clamp(18px, 3vw, 40px); }
.cn-body.swap { animation: swap .5s var(--ease); }
.cn-body h3 { font-size: 24px; margin: 0 0 10px; display: flex; flex-wrap: wrap; gap: 12px; align-items: center; }
.cn-body p { color: var(--muted); margin: 0 0 16px; }
.cn-side { border-left: 1px solid var(--line); padding-left: clamp(18px, 3vw, 40px); display: grid; gap: 20px; align-content: start; }
.cn-side h5 { margin: 0 0 10px; font: 600 11px var(--mono); letter-spacing: .14em; color: var(--dim); text-transform: uppercase; }
.steps { display: grid; gap: 8px; counter-reset: st; }
.steps div { display: flex; gap: 10px; align-items: center; font: 12.5px var(--mono); color: #c8d3ee; counter-increment: st; }
.steps div::before { content: counter(st); width: 22px; height: 22px; border-radius: 7px; display: grid; place-items: center; font: 700 11px var(--mono); color: #04101c; background: var(--cyan); flex: none; }
.kpis { display: flex; flex-wrap: wrap; gap: 8px; }

/* 国内线 · 时间轴 */
.tl .axis { display: grid; gap: 12px; margin: 22px 0 12px; }
.lane { display: grid; grid-template-columns: 96px 1fr; gap: 12px; align-items: center; }
.lname { font: 500 12px var(--mono); color: var(--muted); }
.rail24 { position: relative; height: 32px; border-radius: 8px; border: 1px solid var(--line); background: repeating-linear-gradient(90deg, transparent 0, transparent calc(100% / 24 - 1px), rgba(140, 160, 255, .13) calc(100% / 24 - 1px), rgba(140, 160, 255, .13) calc(100% / 24)); }
.pin { position: absolute; top: 50%; width: 14px; height: 14px; border-radius: 50%; transform: translate(-50%, -50%); background: var(--cyan); box-shadow: 0 0 0 4px rgba(34, 211, 238, .18), 0 0 16px var(--cyan); }
.pin.zh { background: var(--violet); box-shadow: 0 0 0 4px rgba(139, 92, 246, .2), 0 0 16px var(--violet); }
.pin.wk { background: var(--amber); border-radius: 3px; transform: translate(-50%, -50%) rotate(45deg); box-shadow: 0 0 0 4px rgba(251, 191, 36, .16), 0 0 14px var(--amber); }
.hours { display: flex; justify-content: space-between; margin-left: 108px; font: 11px var(--mono); color: var(--dim); }
.tl-legend { display: grid; gap: 10px; margin-top: 6px; font-size: 14px; color: var(--muted); }
.tl-legend div { display: flex; gap: 12px; align-items: center; } .tl-legend b { color: var(--text); font-family: var(--mono); font-weight: 600; }
.tl-legend .pin { position: static; transform: none; flex: none; width: 12px; height: 12px; } .tl-legend .pin.wk { transform: rotate(45deg); }
.lanes { display: grid; gap: 8px; }
.ln-r { display: grid; grid-template-columns: 64px 1fr; gap: 12px; align-items: center; padding: 10px 12px; border-radius: 10px; border: 1px solid var(--line); background: rgba(255, 255, 255, .02); }
.ln-r b { font-size: 14px; } .ln-r .st-n { justify-self: start; }
.semi { margin-top: 16px; } .semi-in { display: grid; grid-template-columns: auto 1fr auto; gap: 18px; align-items: center; }
.semi h3 { font-size: 18px; margin-bottom: 6px; } .semi p { margin: 0; color: var(--muted); font-size: 14.5px; } .semi p b { color: var(--text); }
.semi-cmds { display: grid; gap: 8px; }

/* 飞书 */
.fs-grid { display: grid; grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr); gap: 16px; align-items: start; }
.phone { border-radius: 30px; border: 1px solid var(--line-2); background: #0a0e1a; overflow: hidden; box-shadow: 0 40px 90px -40px rgba(0, 0, 0, .9), 0 0 0 1px rgba(255, 255, 255, .03); max-width: 480px; width: 100%; margin: 0 auto; display: flex; flex-direction: column; height: 660px; }
.ph-bar { display: flex; align-items: center; gap: 12px; padding: 14px 16px; border-bottom: 1px solid var(--line); background: rgba(255, 255, 255, .03); }
.ph-bar b { display: block; font-size: 15px; line-height: 1.3; } .ph-bar small { color: var(--dim); font-size: 12px; }
.ph-bar .back { font-size: 28px; color: var(--muted); line-height: 1; } .ph-bar .chip { margin-left: auto; }
.ph-body { flex: 1; padding: 16px; display: flex; flex-direction: column; gap: 10px; overflow-y: auto; scrollbar-width: none; scroll-behavior: smooth; }
.ph-body::-webkit-scrollbar { display: none; }
.ph-body .bub.me { background: linear-gradient(135deg, #2c5be0, #3370ff); }
.ph-body .bub { max-width: 90%; font-size: 13.5px; }
.ph-body .bub .tid { font: 600 12px var(--mono); color: var(--cyan); }
.ph-body .bub.ok { border-left: 3px solid var(--lime); } .ph-body .bub.er { border-left: 3px solid var(--amber); } .ph-body .bub.wa { border-left: 3px solid var(--red); }
.ph-foot { padding: 12px; border-top: 1px solid var(--line); background: rgba(255, 255, 255, .02); }
.ph-foot .seg { width: 100%; display: flex; } .ph-foot .seg button { flex: 1; padding: 8px 6px; font-size: 12.5px; }
.fs-side { display: grid; gap: 16px; }
.cmds { display: grid; }
.cmds div { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; padding: 9px 0; border-bottom: 1px dashed var(--line); font-size: 13.5px; color: var(--muted); }
.cmds div:last-child { border-bottom: 0; } .cmds kbd { color: var(--cyan); } .cmds span { margin-left: auto; }
.cmds-note { margin: 12px 0 0; font-size: 13px; color: var(--dim); line-height: 1.8; }
.tech.nums { grid-template-columns: repeat(3, 1fr); } .tech.nums b { font: 800 18px var(--mono); color: var(--cyan); }

@media (max-width: 1020px) {
  .ov-grid, .fs-grid, .master-flow, .cn-body { grid-template-columns: 1fr; }
  .principles { grid-template-columns: repeat(2, 1fr); }
  .cn-side { border-left: 0; padding-left: 0; border-top: 1px solid var(--line); padding-top: 18px; }
  .ch-in { grid-template-columns: 1fr; } .ch-l { font-size: 88px; }
  .semi-in { grid-template-columns: 1fr; }
  .semi-cmds { grid-auto-flow: column; justify-content: start; }
}
@media (max-width: 640px) {
  .principles, .tech.nums { grid-template-columns: 1fr; }
  .lane { grid-template-columns: 72px 1fr; } .hours { margin-left: 84px; }
  .phone { height: 600px; border-radius: 24px; }
  .prow em { width: 100%; }
  .cmds span { margin-left: 0; width: 100%; }
}

/* ---- 补丁：媒体容器 / 终端滚动 / 轮播封面 ---- */
.media { overflow: hidden; }
.media.r45 { aspect-ratio: 4 / 5; max-height: none; max-width: 300px; margin: 0 auto; border-radius: 10px; }
.media .lbl { max-width: calc(100% - 20px); white-space: normal; line-height: 1.4; z-index: 3; }
.slide.cover { position: relative; padding: 0; }
.slide.cover > svg.sky { position: absolute; inset: 0; width: 100%; height: 100%; }
.slide.cover::before { content: ""; position: absolute; inset: 0; z-index: 1; background: linear-gradient(180deg, rgba(5, 7, 13, .05) 30%, rgba(5, 7, 13, .92)); }
.slide.cover .cv-t { position: relative; z-index: 2; padding: 16px; }
.meter.nobar .bar { display: none; }
.term-b { max-height: 300px; overflow-y: auto; scrollbar-width: thin; }
.term-b b { font-weight: 600; color: #e8eefc; }
.donut .sg { fill: none; stroke-width: 15; transition: stroke-dasharray 1.2s var(--ease); }
.post.fade-swap { animation: swap .45s var(--ease); }

/* ---- 补丁：收件箱会话列表 / 状态链 ---- */
.cv > div { flex: 1; min-width: 0; }
.cv small { max-width: none; }
.cv .st { flex: none; margin-left: 4px; font-size: 10px; padding: 2px 7px; }
.cv { padding: 12px; gap: 9px; }
.fs-side .main-track, .sim .main-track { gap: 5px 3px; }
.fs-side .st-n { padding: 6px 9px; font-size: 11px; }

/* ---- 补丁：窄屏网格允许收缩，避免内容把整页撑宽 ---- */
.card, .wrap > * { min-width: 0; }
@media (max-width: 1020px) {
  .hero-grid, .stage-panel, .sim, .var-body, .stack-grid, .two, .eng-grid, .i18n-grid, .ov-grid, .fs-grid, .master-flow, .cn-body, .plat-grid, .gates { grid-template-columns: minmax(0, 1fr); }
}
@media (max-width: 640px) {
  .radar-wrap, .donut-wrap, .inbox, .lead-card, .principles, .more, .feats, .guards, .tech, .tech.nums { grid-template-columns: minmax(0, 1fr); }
}

.pf { white-space: nowrap; }