/* ============================================================
   智标智本 · 全站共享设计系统  (warm tech, dark, single accent)
   单一事实源：改这里 = 全站生效。零 em-dash，China 部署无外部依赖。
   ============================================================ */
:root{
  --bg:#100B06; --surface:#1A1410; --surface-2:#241C13;
  --line:rgba(255,255,255,.08); --line-strong:rgba(255,255,255,.14);
  --text:#F4EDE1; --muted:#A99E8B; --faint:#6F6454;
  --accent:#F2A53C; --accent-deep:#E8662E; --accent-soft:rgba(242,165,60,.12);
  --r-panel:16px; --r-btn:10px; --r-chip:8px;
  --font-cjk:"PingFang SC","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",-apple-system,sans-serif;
  --font-num:"SF Mono","JetBrains Mono",ui-monospace,"Cascadia Mono",Consolas,"Noto Sans Mono CJK SC",Menlo,monospace;
  --maxw:1240px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{font-family:var(--font-cjk);background:var(--bg);color:var(--text);line-height:1.65;overflow-x:hidden;font-feature-settings:"tnum";letter-spacing:.01em}
a{color:inherit;text-decoration:none}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 28px}
.num{font-family:var(--font-num);font-variant-numeric:tabular-nums}
.accent{color:var(--accent)}
::selection{background:rgba(242,165,60,.28);color:#fff}

.backdrop{position:fixed;inset:0;z-index:0;pointer-events:none;
  background:radial-gradient(1000px 700px at 78% -10%,rgba(232,102,46,.11),transparent 60%),radial-gradient(800px 600px at 5% 6%,rgba(242,165,60,.07),transparent 55%)}
.backdrop::after{content:"";position:absolute;inset:0;opacity:.32;
  background-image:linear-gradient(rgba(255,255,255,.025) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.025) 1px,transparent 1px);
  background-size:64px 64px;mask-image:radial-gradient(circle at 50% 22%,#000,transparent 74%)}

/* ===== NAV ===== */
nav{position:fixed;top:0;left:0;right:0;z-index:100;height:68px;display:flex;align-items:center;transition:background .4s,border-color .4s,backdrop-filter .4s;border-bottom:1px solid transparent}
nav.scrolled{background:rgba(18,12,7,.8);backdrop-filter:blur(16px) saturate(140%);border-bottom:1px solid var(--line)}
.nav-in{display:flex;align-items:center;justify-content:space-between;width:100%}
.logo{display:flex;align-items:center;gap:11px;font-weight:800;font-size:19px;letter-spacing:.02em}
.logo .mark{width:30px;height:30px;border-radius:9px;position:relative;background:linear-gradient(140deg,var(--accent),var(--accent-deep));display:grid;place-items:center;box-shadow:0 0 0 1px rgba(255,255,255,.12) inset}
.logo .mark::before{content:"";width:11px;height:11px;border:2px solid #1b1308;border-radius:3px;transform:rotate(45deg)}
.nav-links{display:flex;gap:34px;font-size:15px}
.nav-links a{color:var(--muted);transition:color .25s;position:relative;padding:4px 0}
.nav-links a:hover,.nav-links a.active{color:var(--text)}
.nav-links a::after{content:"";position:absolute;left:0;bottom:-2px;width:0;height:1px;background:var(--accent);transition:width .3s}
.nav-links a:hover::after,.nav-links a.active::after{width:100%}
.btn{display:inline-flex;align-items:center;gap:8px;font-weight:600;cursor:pointer;border:none;transition:transform .25s,box-shadow .25s,background .25s,border-color .25s,color .25s;white-space:nowrap;font-family:inherit}
.btn-primary{background:var(--accent);color:#1a1106;padding:11px 22px;border-radius:var(--r-btn);font-size:15px;box-shadow:0 6px 24px rgba(242,165,60,.22)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 10px 32px rgba(242,165,60,.36)}
.btn-primary:active{transform:translateY(0) scale(.985)}
.btn-ghost{background:rgba(242,165,60,.05);color:var(--text);border:1px solid rgba(242,165,60,.3);padding:11px 22px;border-radius:var(--r-btn);font-size:15px}
.btn-ghost:hover{border-color:var(--accent);color:var(--accent);background:rgba(242,165,60,.1)}
.nav-toggle{display:none;width:42px;height:42px;border-radius:var(--r-btn);background:transparent;border:1px solid var(--line-strong);cursor:pointer;color:var(--text);font-size:18px}
.mobile-menu{display:none}/* 桌面端绝不显示移动菜单；仅在 ≤680px 媒体查询里启用 */

/* ===== shared section primitives ===== */
section{position:relative;z-index:1}
.blk{padding:118px 0}.blk-pt0{padding-top:0}
.blk-head{max-width:720px;margin-bottom:54px}
.eyebrow{display:inline-flex;align-items:center;gap:9px;font-size:13px;color:var(--accent);letter-spacing:.14em;font-weight:600;margin-bottom:22px}
.eyebrow.c{justify-content:center}
.eyebrow .ln{width:26px;height:1px;background:linear-gradient(90deg,var(--accent),transparent)}
h2.head{font-size:clamp(28px,3.7vw,46px);font-weight:800;line-height:1.16;letter-spacing:-.01em}
.lead{color:var(--muted);font-size:clamp(15px,1.4vw,18px);max-width:64ch;margin-top:18px}
.center{text-align:center}.center .lead{margin-left:auto;margin-right:auto}
.linkmore{display:inline-flex;align-items:center;gap:8px;color:var(--accent);font-weight:600;font-size:15px;transition:gap .3s}
.linkmore:hover{gap:14px}
.rv{opacity:0;transform:translateY(34px);transition:opacity .9s cubic-bezier(.16,1,.3,1),transform .9s cubic-bezier(.16,1,.3,1)}
.rv.in{opacity:1;transform:none}
.rv.d1{transition-delay:.08s}.rv.d2{transition-delay:.16s}.rv.d3{transition-delay:.24s}.rv.d4{transition-delay:.32s}

/* ===== HERO (unified) ===== */
.hero{position:relative;min-height:100dvh;display:flex;align-items:center;padding:96px 0 56px;overflow:hidden}
.hero-grid{display:grid;grid-template-columns:1.04fr .96fr;gap:52px;align-items:center;width:100%}
.hero h1{font-size:clamp(38px,5.4vw,62px);font-weight:850;line-height:1.07;letter-spacing:-.02em}
.hero h1 .g{background:linear-gradient(110deg,#fff 8%,var(--accent) 58%,var(--accent-deep));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.hero h1 .l2{display:block;color:var(--muted)}.hero h1 .l2 b{color:var(--text);font-weight:850}
.hero-sub{color:var(--muted);font-size:clamp(15px,1.5vw,18.5px);max-width:46ch;margin:26px 0 36px}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap}
.hero-cta .btn-primary,.hero-cta .btn-ghost{padding:14px 28px;font-size:16px}
.hl{overflow:hidden}.hl span{display:block;transform:translateY(110%);transition:transform 1s cubic-bezier(.16,1,.3,1)}
.loaded .hl span{transform:none}.hl.s2 span{transition-delay:.1s}
.fade{opacity:0;transform:translateY(18px);transition:opacity .9s ease .5s,transform .9s ease .5s}.loaded .fade{opacity:1;transform:none}.fade.f2{transition-delay:.62s}

/* ===== canvas engine panel ===== */
.engine-wrap{position:relative;aspect-ratio:1/.9;width:100%;border:1px solid var(--line);border-radius:20px;overflow:hidden;
  background:radial-gradient(120% 120% at 50% 40%,rgba(34,27,18,.6),rgba(18,12,7,.2));box-shadow:0 40px 100px -40px rgba(0,0,0,.8)}
#engine{position:absolute;inset:0;width:100%;height:100%}
.engine-tag{position:absolute;left:16px;top:14px;font-family:var(--font-num);font-size:11.5px;color:var(--muted);letter-spacing:.08em;z-index:2}
.engine-io{position:absolute;bottom:14px;left:16px;right:16px;display:flex;justify-content:space-between;font-family:var(--font-num);font-size:11px;color:var(--faint);z-index:2}
.engine-io .accent{color:var(--accent)}

/* ===== scoring gauge (审核 signature) ===== */
.gauge{position:relative;background:linear-gradient(170deg,var(--surface-2),var(--surface));border:1px solid var(--line);border-radius:var(--r-panel);padding:26px 26px 22px;box-shadow:0 30px 80px -30px rgba(0,0,0,.7),0 0 0 1px rgba(255,255,255,.02) inset;overflow:hidden}
.gauge::before{content:"";position:absolute;left:0;right:0;top:0;height:1px;background:linear-gradient(90deg,transparent,var(--accent),transparent);opacity:.6}
.scanline{position:absolute;left:0;right:0;height:120px;top:-120px;pointer-events:none;background:linear-gradient(180deg,transparent,rgba(242,165,60,.1),transparent)}
.loaded .scanline{animation:scan 4.2s cubic-bezier(.5,0,.5,1) 1.1s infinite}
@keyframes scan{0%{top:-120px}55%{top:100%}100%{top:100%}}
.g-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:6px}
.g-title{font-size:13.5px;color:var(--muted);letter-spacing:.04em}
.g-live{display:inline-flex;align-items:center;gap:7px;font-size:12px;color:var(--accent);font-family:var(--font-num)}
.g-live .d{width:7px;height:7px;border-radius:50%;background:var(--accent);box-shadow:0 0 10px var(--accent)}
.loaded .g-live .d{animation:blink 1.5s ease-in-out infinite}
@keyframes blink{50%{opacity:.25}}
.g-score{display:flex;align-items:baseline;gap:12px;padding:6px 0 16px;border-bottom:1px solid var(--line)}
.g-score .v{font-family:var(--font-num);font-size:60px;font-weight:600;line-height:1;letter-spacing:-.02em;background:linear-gradient(120deg,#fff,var(--accent));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.g-score .max{color:var(--faint);font-family:var(--font-num);font-size:18px}
.g-score .tag{margin-left:auto;align-self:center;font-size:13px;color:var(--accent);background:var(--accent-soft);border:1px solid rgba(242,165,60,.3);padding:5px 12px;border-radius:var(--r-chip);font-weight:600}
.dims{display:flex;flex-direction:column;gap:14px;margin-top:18px}
.dim{display:grid;grid-template-columns:84px 1fr 42px;align-items:center;gap:14px}
.dim .nm{font-size:13.5px;color:var(--muted)}
.dim .track{height:6px;background:rgba(255,255,255,.06);border-radius:99px;overflow:hidden}
.dim .fill{height:100%;width:0;border-radius:99px;background:linear-gradient(90deg,var(--accent-deep),var(--accent));transition:width 1.3s cubic-bezier(.16,1,.3,1)}
.dim .pct{font-family:var(--font-num);font-size:13px;color:var(--text);text-align:right}
.g-foot{margin-top:18px;padding-top:14px;border-top:1px solid var(--line);font-size:12.5px;color:var(--faint);display:flex;justify-content:space-between}

/* ===== writer demo (写标 signature) ===== */
.writer{position:relative;background:linear-gradient(170deg,var(--surface-2),var(--surface));border:1px solid var(--line);border-radius:var(--r-panel);padding:24px;overflow:hidden;box-shadow:0 30px 80px -30px rgba(0,0,0,.7)}
.writer::before{content:"";position:absolute;left:0;right:0;top:0;height:1px;background:linear-gradient(90deg,transparent,var(--accent),transparent);opacity:.6}
.writer .w-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px;font-size:13px;color:var(--muted)}
.writer .w-live{display:inline-flex;gap:7px;align-items:center;color:var(--accent);font-family:var(--font-num);font-size:12px}
.writer .w-live .d{width:7px;height:7px;border-radius:50%;background:var(--accent);box-shadow:0 0 10px var(--accent)}
.loaded .writer .w-live .d{animation:blink 1.5s ease-in-out infinite}
.writer .w-chip{display:inline-block;font-family:var(--font-num);font-size:11.5px;color:var(--accent);background:var(--accent-soft);border:1px solid rgba(242,165,60,.3);padding:5px 11px;border-radius:var(--r-chip);margin-bottom:14px}
.writer .w-body{font-size:14.5px;line-height:1.9;color:var(--text);min-height:148px}
.writer .w-body .cursor{display:inline-block;width:8px;height:18px;background:var(--accent);vertical-align:-3px;margin-left:2px}
.loaded .writer .w-body .cursor{animation:blink 1s step-end infinite}
.writer .w-foot{margin-top:16px;padding-top:14px;border-top:1px solid var(--line);display:flex;justify-content:space-between;font-size:12px;color:var(--faint);font-family:var(--font-num)}

/* ===== claim band ===== */
.claim{padding:30px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:linear-gradient(180deg,rgba(242,165,60,.05),transparent)}
.claim-in{display:flex;gap:30px;align-items:center;flex-wrap:wrap;justify-content:center;font-size:15px;color:var(--muted)}
.claim-in b{color:var(--text);font-weight:700}
.claim-in .sep{width:5px;height:5px;border-radius:50%;background:var(--accent)}

/* ===== stats / metrics strip ===== */
.strip{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:linear-gradient(180deg,var(--surface),transparent)}
.strip-grid{display:grid}
.strip-grid.g4{grid-template-columns:1.4fr 1fr 1fr 1fr}
.strip-grid.g3{grid-template-columns:repeat(3,1fr)}
.sx{padding:38px 22px;border-left:1px solid var(--line)}
.sx:first-child{border-left:none}
.sx .v{font-family:var(--font-num);font-size:clamp(30px,3.4vw,44px);font-weight:600;letter-spacing:-.01em;line-height:1}
.sx .v .u{font-size:.46em;color:var(--accent);margin-left:4px}
.sx .k{color:var(--muted);font-size:14px;margin-top:10px}

/* ===== criteria matrix (signature) ===== */
.split{display:grid;grid-template-columns:.95fr 1.05fr;gap:60px;align-items:center}
.split.rev{grid-template-columns:1.05fr .95fr}
.matrix{display:grid;grid-template-columns:repeat(16,1fr);gap:6px}
.mcell{aspect-ratio:1;border-radius:4px;background:rgba(255,255,255,.045);transition:background .45s ease,box-shadow .45s ease,transform .45s ease}
.mcell.hit{background:linear-gradient(135deg,var(--accent-deep),var(--accent));box-shadow:0 0 9px rgba(242,165,60,.55);transform:scale(1.04)}
.bignum{font-family:var(--font-num);font-size:clamp(46px,6vw,76px);font-weight:600;line-height:1;background:linear-gradient(120deg,#fff,var(--accent));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.bignum .u{font-size:.4em;color:var(--accent);-webkit-text-fill-color:var(--accent)}
.subnum{color:var(--muted);font-family:var(--font-num);font-size:13px;margin-top:8px;letter-spacing:.04em}

/* ===== architecture layers ===== */
.arch{display:flex;flex-direction:column;gap:16px;max-width:780px}
.alayer{position:relative;border:1px solid var(--line);border-radius:var(--r-panel);padding:22px 26px;overflow:hidden;background:linear-gradient(170deg,var(--surface-2),var(--surface));display:grid;grid-template-columns:54px 1fr auto;gap:20px;align-items:center;opacity:.4;transform:translateY(20px);transition:opacity .7s,transform .7s,border-color .7s}
.alayer.lit{opacity:1;transform:none;border-color:rgba(242,165,60,.35)}
.alayer .lv{font-family:var(--font-num);font-size:13px;color:var(--accent)}
.alayer b{font-size:18px;display:block;margin-bottom:3px}.alayer p{color:var(--muted);font-size:14px}
.alayer .spark{font-family:var(--font-num);font-size:11px;color:var(--faint);text-align:right}
.alayer .beam{position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--accent);transform:scaleY(0);transform-origin:top;transition:transform .6s}
.alayer.lit .beam{transform:scaleY(1)}
/* 三层架构 · 右侧交互图示 */
.arch-wrap{display:grid;grid-template-columns:1fr .92fr;gap:46px;align-items:center}
.arch-wrap .arch{max-width:none}
.alayer{cursor:pointer}
.alayer.sel{border-color:var(--accent)}
.arch-viz{position:relative;border:1px solid var(--line);border-radius:var(--r-panel);background:linear-gradient(170deg,var(--surface-2),var(--surface));aspect-ratio:1.06/1;overflow:hidden;box-shadow:0 30px 80px -40px rgba(0,0,0,.7)}
.arch-viz::before{content:"";position:absolute;left:0;right:0;top:0;height:1px;background:linear-gradient(90deg,transparent,var(--accent),transparent);opacity:.6;z-index:2}
.viz{position:absolute;inset:0;opacity:0;transform:scale(.98);transition:opacity .5s,transform .5s;padding:22px}
.viz.active{opacity:1;transform:none}
.viz svg{width:100%;height:100%;display:block}
.viz-cap{position:absolute;left:20px;bottom:15px;font-family:var(--font-num);font-size:12px;color:var(--muted);letter-spacing:.03em}
.vlabel,.vlabel-c,.vsub{text-anchor:middle;dominant-baseline:middle;font-family:var(--font-cjk)}
.vlabel{fill:var(--text);font-size:13px}
.vlabel-c{fill:var(--accent);font-weight:700;font-size:16px}
.vsub{fill:var(--muted);font-size:11px;font-family:var(--font-num)}
.vcore{fill:#1e150b;stroke:var(--accent);stroke-width:1.5}
.vpill,.vexp{fill:var(--surface);stroke:var(--line-strong);stroke-width:1}
.vhot{fill:rgba(242,165,60,.16);stroke:var(--accent);stroke-width:1.6}
.viz.active .vhot{animation:vpulse 1.6s ease-in-out infinite}
@keyframes vpulse{50%{fill:rgba(242,165,60,.34)}}
.vline{stroke:rgba(255,255,255,.13);stroke-width:1;fill:none}
.vflow{stroke:var(--accent);stroke-width:1.5;fill:none;stroke-dasharray:4 7}
.viz.active .vflow{animation:vdash 1s linear infinite}
@keyframes vdash{to{stroke-dashoffset:-22}}
.vpage{stroke:rgba(169,158,139,.5);stroke-width:2;stroke-linecap:round}
.vwin{fill:none;stroke:var(--line-strong);stroke-width:1.2}
.vbar{stroke:var(--accent);stroke-width:3;stroke-linecap:round;opacity:.2}
.viz.active .vbar{animation:vbarlit 2.4s ease-in-out infinite}
@keyframes vbarlit{0%,100%{opacity:.18}50%{opacity:.9}}
@media(max-width:920px){.arch-wrap{grid-template-columns:1fr}.arch-viz{max-width:440px;margin:0 auto;width:100%}}

/* ===== 行业数据页 ===== */
.ind-hero{padding:130px 0 8px}
/* 趋势政策 */
.policy-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.policy{border:1px solid var(--line);border-radius:var(--r-panel);padding:26px 28px;background:linear-gradient(180deg,var(--surface),rgba(16,11,6,.4));transition:border-color .4s,transform .4s;display:block}
.policy:hover{border-color:rgba(242,165,60,.4);transform:translateY(-4px)}
.policy .tier{display:inline-block;font-size:12px;font-weight:700;color:var(--accent);background:var(--accent-soft);border:1px solid rgba(242,165,60,.3);padding:4px 11px;border-radius:var(--r-chip);margin-bottom:14px}
.policy h4{font-size:17px;font-weight:700;line-height:1.45;margin-bottom:10px}
.policy .meta{font-size:12.5px;color:var(--faint);font-family:var(--font-num);margin-bottom:12px}
.policy p{color:var(--muted);font-size:14px;margin-bottom:16px}
.policy .src{font-size:13px;color:var(--accent);font-weight:600;display:inline-flex;gap:6px;transition:gap .3s}
.policy:hover .src{gap:12px}
/* 头号政策横幅 */
.policy-feature{display:grid;grid-template-columns:1fr 264px;gap:34px;align-items:center;
  border:1px solid rgba(242,165,60,.32);border-radius:var(--r-panel);padding:32px 34px;margin-bottom:22px;
  background:radial-gradient(620px 320px at 90% -10%,rgba(232,102,46,.15),transparent 62%),linear-gradient(180deg,var(--surface-2),rgba(16,11,6,.5));
  box-shadow:0 0 0 1px rgba(242,165,60,.06) inset,0 18px 50px rgba(0,0,0,.3);
  transition:border-color .4s,transform .4s}
.policy-feature:hover{border-color:rgba(242,165,60,.55);transform:translateY(-3px)}
.policy-feature .tier.hot{display:inline-block;font-size:12px;font-weight:700;color:#1a1106;
  background:linear-gradient(135deg,var(--accent),var(--accent-deep));border:none;padding:5px 13px;border-radius:var(--r-chip);margin-bottom:15px;letter-spacing:.02em}
.policy-feature h3{font-size:23px;font-weight:800;line-height:1.36;margin-bottom:12px;letter-spacing:-.01em}
.policy-feature .meta{font-size:12.5px;color:var(--faint);font-family:var(--font-num);margin-bottom:14px;line-height:1.6}
.policy-feature p{color:var(--muted);font-size:14.5px;line-height:1.75;margin-bottom:16px}
.policy-feature p b{color:var(--text);font-weight:700}
.policy-feature .src{font-size:13px;color:var(--accent);font-weight:600;display:inline-flex;gap:6px;transition:gap .3s}
.policy-feature:hover .src{gap:12px}
.pf-r{display:flex;flex-direction:column;gap:15px;border-left:1px solid var(--line);padding-left:32px}
.pf-stat{display:flex;flex-direction:column;gap:3px}
.pf-stat .n{font-family:var(--font-num);font-size:34px;font-weight:700;color:var(--accent);line-height:1}
.pf-stat .k{font-size:13px;color:var(--muted)}
/* 20 场景定位图 */
.scene-legend{display:flex;flex-wrap:wrap;gap:10px 26px;margin-bottom:26px;font-size:13.5px;color:var(--muted)}
.scene-legend span{display:inline-flex;align-items:center;gap:8px}
.scene-legend .dot{width:11px;height:11px;border-radius:3px;flex:none}
.dot.hit{background:linear-gradient(135deg,var(--accent),var(--accent-deep))}
.dot.mirror{background:var(--accent-soft);border:1.5px solid rgba(242,165,60,.6)}
.dot.road{background:rgba(255,255,255,.12)}
.scene-map{display:grid;grid-template-columns:repeat(6,1fr);gap:14px;align-items:start}
.scene-group{border:1px solid var(--line);border-radius:14px;padding:16px 14px;background:linear-gradient(180deg,var(--surface),rgba(16,11,6,.4));display:flex;flex-direction:column;gap:9px}
.sg-h{font-size:13px;font-weight:700;color:var(--faint);letter-spacing:.04em;padding-bottom:9px;border-bottom:1px solid var(--line)}
.scene-chip{font-size:13px;line-height:1.4;padding:8px 10px;border-radius:9px;color:var(--muted);background:rgba(255,255,255,.03);border:1px solid var(--line);transition:transform .25s,border-color .25s}
.scene-chip.hit{color:#1a1106;font-weight:700;background:linear-gradient(135deg,var(--accent),var(--accent-deep));border-color:transparent;box-shadow:0 6px 18px rgba(242,165,60,.22)}
.scene-chip.mirror{color:var(--text);font-weight:600;border-color:rgba(242,165,60,.45);background:var(--accent-soft)}
.scene-foot{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:22px}
.sf-card{border:1px solid var(--line);border-radius:14px;padding:20px 22px;background:linear-gradient(180deg,var(--surface-2),rgba(16,11,6,.4))}
.sf-k{display:inline-block;font-size:13px;font-weight:700;color:var(--accent);background:var(--accent-soft);border:1px solid rgba(242,165,60,.3);padding:4px 12px;border-radius:var(--r-chip);margin-bottom:12px}
.sf-card p{color:var(--muted);font-size:14px;line-height:1.7}
/* 行业看板 */
.dash{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.tile{border:1px solid var(--line);border-radius:var(--r-panel);padding:28px 26px;background:var(--surface)}
.tile .big{font-family:var(--font-num);font-size:clamp(28px,3.2vw,40px);font-weight:600;line-height:1;letter-spacing:-.01em}
.tile .big .u{font-size:.5em;color:var(--accent);margin-left:3px}
.tile .lab{color:var(--muted);font-size:14px;margin-top:12px}
.tile .lab b{color:var(--text);font-weight:600}
.seg{margin-top:6px}
.seg-track{height:9px;background:rgba(255,255,255,.06);border-radius:99px;position:relative;overflow:hidden}
.seg-fill{position:absolute;left:0;top:0;height:100%;width:0;border-radius:99px;background:linear-gradient(90deg,var(--accent-deep),var(--accent))}
.rv .seg-fill{transition:width 1.5s cubic-bezier(.16,1,.3,1) .2s}
.rv.in .seg-fill{width:var(--w)}
.seg-cap{display:flex;justify-content:space-between;font-family:var(--font-num);font-size:12px;color:var(--text);margin-top:9px}
.seg-cap .a{color:var(--faint)}
.dash-src{color:var(--faint);font-size:12.5px;margin-top:24px;line-height:1.7}
/* 数据安全 */
.sec-pillars{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.spill{border:1px solid var(--line);border-radius:var(--r-panel);padding:26px 22px;background:var(--surface)}
.spill .ix{font-family:var(--font-num);font-size:13px;color:var(--accent);margin-bottom:14px}
.spill h4{font-size:16px;font-weight:700;margin-bottom:8px}
.spill p{color:var(--muted);font-size:13.5px}
.flowline{display:flex;align-items:center;justify-content:center;gap:12px;flex-wrap:wrap;margin-top:38px;font-size:14px}
.flowline .fn{border:1px solid var(--line);border-radius:var(--r-btn);padding:12px 20px;background:var(--surface-2);color:var(--muted)}
.flowline .fn.hot{border-color:var(--accent);color:var(--accent);font-weight:600}
.flowline .ar{color:var(--accent);font-family:var(--font-num)}
/* 招标雷达 · 列表式 */
.radar-tabs{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:22px}
.rtab{font-size:14px;padding:8px 18px;border-radius:99px;background:var(--surface);border:1px solid var(--line);color:var(--muted);cursor:pointer;font-family:inherit;transition:.25s}
.rtab:hover{color:var(--text);border-color:var(--line-strong)}
.rtab.active{background:var(--accent);color:#1a1106;border-color:transparent;font-weight:600}
.rlist{border:1px solid var(--line);border-radius:var(--r-panel);overflow:hidden;background:var(--surface)}
.rrow{display:grid;grid-template-columns:76px minmax(0,1fr) auto;align-items:center;gap:18px;padding:16px 22px;border-top:1px solid var(--line);transition:background .25s}
.rrow:first-child{border-top:none}
.rrow:hover{background:var(--surface-2)}
.rrow.hide{display:none}
.rcat{justify-self:start;font-size:12px;font-weight:600;padding:4px 11px;border-radius:var(--r-chip);background:var(--accent-soft);color:var(--accent);border:1px solid rgba(242,165,60,.25)}
.rname{font-size:14.5px;color:var(--text);font-weight:500;line-height:1.45;min-width:0}
.rmeta{display:flex;gap:22px;align-items:baseline;white-space:nowrap}
.rmeta .rg{font-size:13px;color:var(--muted)}
.rmeta .rb{font-size:13px;color:var(--muted);font-family:var(--font-num)}
.rmeta .rd{font-size:13px;color:var(--accent);font-family:var(--font-num)}
.rmeta .rd.soon{color:var(--accent-deep);font-weight:700}
.rmeta .rd.over{color:var(--faint)}
.rmeta .rgo{font-size:12.5px;color:var(--accent);font-weight:600;white-space:nowrap;transition:opacity .25s}
.rmeta .rgo:hover{opacity:.65;text-decoration:underline}
.radar-note{color:var(--faint);font-size:12.5px;text-align:center;margin-top:22px}
/* 政策解读 feed */
.pfeed{border:1px solid var(--line);border-radius:var(--r-panel);overflow:hidden;background:var(--surface)}
.pf-row{display:grid;grid-template-columns:auto minmax(0,1fr) auto;align-items:center;gap:16px;padding:15px 22px;border-top:1px solid var(--line);transition:background .25s}
.pf-row:first-child{border-top:none}
.pf-row:hover{background:var(--surface-2)}
.pf-tag{font-size:12px;font-weight:600;padding:3px 10px;border-radius:var(--r-chip);background:var(--accent-soft);color:var(--accent);border:1px solid rgba(242,165,60,.25);white-space:nowrap}
.pf-t{font-size:14.5px;color:var(--text);line-height:1.5;min-width:0}
.pf-row:hover .pf-t{color:var(--accent)}
.pf-d{font-size:13px;color:var(--faint);font-family:var(--font-num);white-space:nowrap}
@media(max-width:680px){
  .pf-row{grid-template-columns:auto 1fr;grid-template-areas:"tag title" "d d";row-gap:8px;gap:0 12px}
  .pf-tag{grid-area:tag}.pf-t{grid-area:title}.pf-d{grid-area:d;font-size:12px}
}
@media(max-width:780px){
  .rrow{grid-template-columns:auto 1fr;grid-template-areas:"cat name" "meta meta";row-gap:11px}
  .rcat{grid-area:cat}.rname{grid-area:name}
  .rmeta{grid-area:meta;gap:16px;flex-wrap:wrap;white-space:normal}
}
@media(max-width:920px){.policy-grid{grid-template-columns:1fr}.dash{grid-template-columns:1fr 1fr}.sec-pillars{grid-template-columns:1fr 1fr}
  .policy-feature{grid-template-columns:1fr;gap:24px;padding:28px 28px}
  .pf-r{flex-direction:row;flex-wrap:wrap;gap:18px 30px;border-left:none;border-top:1px solid var(--line);padding-left:0;padding-top:22px}
  .scene-map{grid-template-columns:repeat(3,1fr)}}
@media(max-width:680px){.dash,.sec-pillars{grid-template-columns:1fr}
  .policy-feature{padding:22px 20px}.policy-feature h3{font-size:20px;line-height:1.4}
  .pf-stat .n{font-size:28px}
  .scene-map{grid-template-columns:1fr 1fr;gap:12px}.scene-foot{grid-template-columns:1fr}}

/* ===== 手机端整体优化（仅覆盖移动端，桌面零影响）===== */
@media(max-width:680px){
  /* CJK 大标题：放宽行高、去负字距、收字号，根治"字粘连" */
  .hero h1{font-size:clamp(30px,8.2vw,38px);line-height:1.3;letter-spacing:0}
  .hero h1 .l2{margin-top:.14em}
  h2.head{font-size:clamp(23px,6vw,30px);line-height:1.34;letter-spacing:0}
  .prod h3{font-size:22px;line-height:1.32}
  .contact-grid h2,.cta-card h2{line-height:1.32}
  .hero-sub,.lead{line-height:1.78}
  /* 区块上下间距收紧 */
  .blk{padding:64px 0}.blk-head{margin-bottom:32px}.ind-hero{padding:104px 0 4px}
  /* 首屏可视化占满窄屏、字号下调 */
  .engine-wrap,.gauge,.writer{max-width:none}
  .gauge{padding:22px 18px}.g-score .v{font-size:46px}
  .dim{grid-template-columns:60px 1fr 36px;gap:10px}
  .writer .w-body{font-size:14px;min-height:128px}
  /* 三层架构右侧图示：放大 SVG 文字、缩小内边距 */
  .arch-viz{max-width:340px}.viz{padding:14px}
  .vlabel{font-size:14px}.vsub{font-size:13px}.vlabel-c{font-size:17px}.viz-cap{left:14px;bottom:11px}
  /* 三层架构卡片：窄屏改竖排，标题与正文全宽，不再被挤成一列 */
  .alayer{grid-template-columns:1fr;gap:7px;padding:20px 22px}
  .alayer b{font-size:17px;line-height:1.4}
  .alayer .spark{text-align:left;margin-top:2px}
  /* 数据飞轮：隐藏窄屏会重叠的环形浮标，仅留核心 + 右侧步骤列表 */
  .wheel .step{display:none}.wheel .orbit{inset:14%}
  /* 招标雷达列表：松绑、类别胶囊不换行 */
  .rrow{padding:14px 16px;gap:9px 14px}.rcat{white-space:nowrap}
  .rname{font-size:13.5px;line-height:1.5}.rmeta{gap:6px 14px;font-size:12.5px}
  .rtab{padding:11px 16px;font-size:13.5px}
  /* 数据安全流向图：竖排，箭头转向下，不再指向空气 */
  .flowline{flex-direction:column;gap:8px}.flowline .fn{width:100%;max-width:260px;text-align:center}.flowline .ar{transform:rotate(90deg)}
  /* claim 横条：去掉折行后孤立的分隔圆点 */
  .claim{padding:22px 0}.claim-in{gap:8px 18px;font-size:14px}.claim-in .sep{display:none}
  /* FAQ：放开答案高度，防止长答案被裁切 */
  .faq-item.open .faq-a{max-height:560px}
  /* 触控目标 ≥44px */
  .nav-toggle{width:44px;height:44px}
}

/* ===== 法律页（隐私政策 / 用户协议）===== */
.legal{max-width:820px;margin:0 auto}
.legal h3{font-size:clamp(18px,2.4vw,21px);font-weight:700;color:var(--text);margin:38px 0 12px}
.legal h3:first-child{margin-top:0}
.legal h4{font-size:16px;font-weight:600;color:var(--text);margin:20px 0 8px}
.legal p,.legal li{color:var(--muted);font-size:15px;line-height:1.85}
.legal p{margin-bottom:10px}
.legal ul{padding-left:20px;margin:6px 0 14px}
.legal li{margin-bottom:6px}
.legal strong{color:var(--text);font-weight:600}
.legal a{color:var(--accent)}
.legal .upd{font-family:var(--font-num);font-size:13px;color:var(--faint);margin-bottom:14px}
.legal .divider{height:1px;background:var(--line);margin:46px 0}

/* ===== pipeline / how-it-works ===== */
.pipe{position:relative;display:grid;grid-template-columns:repeat(4,1fr);margin-top:20px}
.pstage{padding:28px 22px;text-align:center;position:relative;z-index:1;opacity:.45;transition:opacity .6s}
.pstage.on{opacity:1}
.pstage .pi{font-family:var(--font-num);font-size:12px;color:var(--accent);margin-bottom:12px}
.pstage b{font-size:17px;display:block;margin-bottom:7px}.pstage p{color:var(--muted);font-size:13px}
.pline{position:absolute;top:62px;left:9%;right:9%;height:2px;background:rgba(255,255,255,.08);z-index:0}
.pline i{position:absolute;left:0;top:0;height:100%;width:0;background:linear-gradient(90deg,var(--accent-deep),var(--accent));transition:width 2.4s linear}
.pline.run i{width:100%}

/* ===== capabilities (bento) ===== */
.caps{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.capx{border:1px solid var(--line);border-radius:var(--r-panel);padding:26px 24px;background:var(--surface);transition:border-color .4s,background .4s,transform .4s}
.capx:hover{border-color:rgba(242,165,60,.4);background:var(--surface-2);transform:translateY(-4px)}
.capx.wide{grid-column:span 2}
.capx .tag{font-family:var(--font-num);font-size:11.5px;color:var(--accent);letter-spacing:.05em;display:block;margin-bottom:12px}
.capx .t{font-size:16.5px;font-weight:700;margin-bottom:8px}.capx p{color:var(--muted);font-size:13.5px}

/* ===== flywheel ===== */
.fly{display:grid;grid-template-columns:.9fr 1.1fr;gap:60px;align-items:center}
.wheel{position:relative;aspect-ratio:1;max-width:380px;margin:0 auto}
.wheel .orbit{position:absolute;inset:8%;border:1px dashed rgba(242,165,60,.3);border-radius:50%}
.loaded .wheel.spin .orbit{animation:rot 30s linear infinite}@keyframes rot{to{transform:rotate(360deg)}}
.wheel .hub{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);width:122px;height:122px;border-radius:50%;background:radial-gradient(circle,var(--surface-2),var(--surface));border:1px solid var(--accent);display:grid;place-items:center;text-align:center;box-shadow:0 0 40px -8px rgba(242,165,60,.4)}
.wheel .hub b{font-size:14px}.wheel .hub span{display:block;font-size:11px;color:var(--muted);font-family:var(--font-num)}
.wheel .step{position:absolute;width:108px;text-align:center;font-size:12.5px;background:var(--surface-2);border:1px solid var(--line);border-radius:var(--r-chip);padding:9px 6px;left:50%;top:50%}
.wheel .s1{transform:translate(-50%,-50%) translateY(-150px)}.wheel .s2{transform:translate(-50%,-50%) translate(140px,76px)}.wheel .s3{transform:translate(-50%,-50%) translate(-140px,76px)}
.steps2{display:flex;flex-direction:column}
.steps2 .st{padding:18px 0;border-top:1px solid var(--line);display:grid;grid-template-columns:34px 1fr;gap:16px}
.steps2 .st:last-child{border-bottom:1px solid var(--line)}
.steps2 .st .i{font-family:var(--font-num);color:var(--accent);font-size:13px;padding-top:2px}
.steps2 .st h4{font-size:16px;font-weight:700;margin-bottom:3px}.steps2 .st p{color:var(--muted);font-size:14px}

/* ===== product cards ===== */
.prod-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.prod{position:relative;border:1px solid var(--line);border-radius:var(--r-panel);padding:34px 32px;overflow:hidden;background:linear-gradient(180deg,var(--surface),rgba(16,11,6,.5));transition:transform .45s,border-color .45s}
.prod:hover{transform:translateY(-6px);border-color:var(--line-strong)}
.prod::before{content:"";position:absolute;inset:0;opacity:0;transition:opacity .45s;background:radial-gradient(420px 220px at 30% 0%,var(--accent-soft),transparent 70%)}
.prod:hover::before{opacity:1}
.prod .ptag{font-family:var(--font-num);font-size:12.5px;color:var(--accent);letter-spacing:.08em;position:relative}
.prod h3{font-size:26px;font-weight:800;margin:12px 0 6px;position:relative}
.prod .sub{color:var(--muted);font-size:15px;position:relative}
.prod ul{list-style:none;margin:22px 0 28px;position:relative}
.prod li{display:flex;gap:11px;padding:7px 0;color:var(--text);font-size:14.5px;align-items:flex-start}
.prod li .chk{color:var(--accent);flex:none}
.prod .go{position:relative}

/* ===== FAQ ===== */
.faq{max-width:820px;margin:0 auto}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{width:100%;text-align:left;background:none;border:none;color:var(--text);font-family:inherit;font-size:17px;font-weight:600;padding:24px 40px 24px 0;cursor:pointer;position:relative;display:block}
.faq-q::after{content:"+";position:absolute;right:6px;top:50%;transform:translateY(-50%);color:var(--accent);font-size:24px;font-weight:400;transition:transform .35s}
.faq-item.open .faq-q::after{transform:translateY(-50%) rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .4s ease;color:var(--muted);font-size:15px}
.faq-a p{padding:0 40px 24px 0}
.faq-item.open .faq-a{max-height:260px}

/* ===== contact ===== */
.contact-card{position:relative;border:1px solid var(--line);border-radius:24px;overflow:hidden;background:linear-gradient(150deg,rgba(232,102,46,.1),rgba(242,165,60,.05) 60%,transparent);padding:62px 54px}
.contact-card::after{content:"";position:absolute;right:-80px;top:-80px;width:320px;height:320px;border-radius:50%;background:radial-gradient(circle,rgba(242,165,60,.18),transparent 65%);pointer-events:none}
.contact-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:48px;align-items:center;position:relative}
.contact-grid h2{font-size:clamp(26px,3.2vw,40px);font-weight:800;line-height:1.2}
.contact-grid p{color:var(--muted);margin-top:16px;max-width:42ch}
.contact .actions{display:flex;flex-direction:column;gap:14px}
.contact .btn-primary{padding:16px;justify-content:center;font-size:16px}
.contact .meta{font-size:13.5px;color:var(--faint);text-align:center;margin-top:2px}
.contact .line{display:flex;justify-content:space-between;padding:13px 0;border-top:1px solid var(--line);font-size:14.5px;color:var(--muted)}
.contact .line b{color:var(--text);font-weight:600;font-family:var(--font-num)}

/* ===== CTA card ===== */
.cta-card{border:1px solid var(--line);border-radius:24px;padding:60px 48px;text-align:center;position:relative;overflow:hidden;background:linear-gradient(150deg,rgba(232,102,46,.1),rgba(242,165,60,.05) 60%,transparent)}
.cta-card::after{content:"";position:absolute;left:50%;top:-120px;width:380px;height:380px;transform:translateX(-50%);border-radius:50%;background:radial-gradient(circle,rgba(242,165,60,.16),transparent 65%)}
.cta-card h2{font-size:clamp(26px,3.4vw,40px);font-weight:800;position:relative}
.cta-card p{color:var(--muted);margin:16px auto 30px;max-width:46ch;position:relative}
.cta-card .btn-primary{padding:16px 40px;font-size:16px;position:relative}

/* ===== footer ===== */
footer{border-top:1px solid var(--line);padding:46px 0 40px;position:relative;z-index:1}
.foot{display:flex;justify-content:space-between;align-items:flex-start;flex-wrap:wrap;gap:24px}
.foot .muted{color:var(--faint);font-size:13px;line-height:1.9}
.foot .fnav{display:flex;gap:26px;font-size:14px;color:var(--muted)}
.foot .fnav a:hover{color:var(--accent)}
.copyr{color:var(--faint);font-size:12.5px;margin-top:30px;border-top:1px solid var(--line);padding-top:22px}

/* ===== responsive ===== */
@media(max-width:920px){
  .hero-grid,.split,.split.rev,.fly{grid-template-columns:1fr;gap:44px}
  .engine-wrap,.gauge,.writer{max-width:460px;margin:0 auto;width:100%}
  .caps{grid-template-columns:1fr 1fr}.capx.wide{grid-column:span 2}
  .pipe{grid-template-columns:1fr 1fr;gap:14px}.pline{display:none}
  .strip-grid.g4,.strip-grid.g3{grid-template-columns:1fr 1fr}
  .sx{border-left:none;border-top:1px solid var(--line)}.sx:nth-child(-n+2){border-top:none}
  .sx:nth-child(3){border-left:none}
  .prod-grid{grid-template-columns:1fr}
  .contact-grid{grid-template-columns:1fr;gap:32px}
  /* 单列下给飞轮定死正方形尺寸：子元素全是绝对定位，缺了显式宽高会塌缩成0导致圆心上移重叠 */
  .wheel{width:min(300px,72vw);height:min(300px,72vw);max-width:none;margin:0 auto}
  .matrix{order:-1}
}
@media(max-width:680px){
  .nav-links,nav .nav-cta{display:none}
  .nav-toggle{display:grid;place-items:center}
  .wrap{padding:0 20px}
  .caps,.strip-grid.g4,.strip-grid.g3{grid-template-columns:1fr}.capx.wide{grid-column:span 1}
  .matrix{grid-template-columns:repeat(12,1fr)}
  .contact-card,.cta-card{padding:40px 24px}
  .mobile-menu{position:fixed;inset:68px 0 auto 0;background:rgba(18,12,7,.97);backdrop-filter:blur(18px);border-bottom:1px solid var(--line);padding:18px 20px 26px;display:none;flex-direction:column;gap:4px;z-index:99}
  .mobile-menu.open{display:flex}
  .mobile-menu a{padding:14px 6px;color:var(--text);font-size:16px;border-bottom:1px solid var(--line)}
  .mobile-menu .btn-primary{margin-top:14px;justify-content:center;display:inline-flex}
}
@media(prefers-reduced-motion:reduce){
  *{animation:none !important;transition-duration:.001s !important}
  .rv,.alayer{opacity:1;transform:none}
  .hl span,.fade{transform:none;opacity:1}
}