/* Kinetic layout — 近黑 · 斜切 · 高对比 · 硬边少圆角 */
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;overflow-x:clip}
body{font-family:var(--font-sans);background:var(--bg);color:var(--ink);line-height:1.65;overflow-x:hidden;-webkit-font-smoothing:antialiased;font-weight:400}
a{color:inherit;text-decoration:none}

/* 斜切动能底（非平涂、非紫白奶油） */
.page-bg{
  display:block;position:fixed;inset:0;z-index:0;pointer-events:none;
  background:
    repeating-linear-gradient(-28deg,transparent 0 56px,rgba(13,148,136,.035) 56px 57px,transparent 57px 112px),
    linear-gradient(165deg,#0A0A0A 0%,#0E0E0E 45%,#0A0A0A 100%);
}
.page-bg::before{
  content:"";position:absolute;right:-4%;top:-10%;width:min(280px,32vw);height:120%;
  background:var(--geo);transform:skewX(-22deg);opacity:.07;
}
.page-bg::after{
  content:"";position:absolute;right:14%;top:20%;width:min(90px,12vw);height:60%;
  background:var(--aao);transform:skewX(-22deg);opacity:.06;
}
body > *:not(.page-bg){position:relative;z-index:1}
body::before{
  content:"";position:fixed;top:0;left:0;right:0;height:6px;z-index:99;
  background:repeating-linear-gradient(-28deg,var(--geo) 0 28px,var(--aao) 28px 56px,var(--bg) 56px 72px);
}
.wrap{max-width:1120px;margin:0 auto;padding:0 28px}

/* NAV */
nav{
  position:sticky;top:0;z-index:50;
  background:rgba(18,18,18,.94);
  border-bottom:2px solid var(--line);
  overflow:visible;
}
nav::before{
  content:"";position:absolute;left:-40px;top:-20px;width:160px;height:140%;
  background:var(--geo);transform:skewX(-18deg);opacity:.16;pointer-events:none;
}
nav::after{
  content:"";position:absolute;right:10%;top:-30%;width:72px;height:160%;
  background:var(--aao);transform:skewX(-18deg);opacity:.12;pointer-events:none;
}
nav > .wrap{max-width:1180px;position:relative;z-index:1}
.nav{display:flex;align-items:center;flex-wrap:nowrap;gap:16px;min-height:58px;padding:8px 28px}
.logo{display:flex;align-items:center;gap:12px;font-weight:800;font-size:18px;white-space:nowrap;flex-shrink:0;font-family:var(--font-display)}
.logo i{width:34px;height:34px;border-radius:0;background:var(--grad);display:grid;place-items:center;font-style:normal;font-size:15px;color:#04110f}
.logo .cn{font-size:17px;color:var(--ink);font-weight:800}
.logo-mark{display:flex;align-items:center;gap:11px;text-decoration:none;flex-shrink:0}
.logo-mark img{display:block;height:40px;width:auto;object-fit:contain}
.logo-mark .cn{font-family:var(--font-display);font-size:1.15rem;font-weight:800;color:var(--ink);letter-spacing:.01em;line-height:1.1}
.logo-mark .sub{display:block;font-size:10px;font-weight:600;letter-spacing:.12em;color:var(--mut);margin-top:2px;text-transform:uppercase}
.foot .brand-row{display:flex;align-items:flex-start;gap:14px}
.foot .brand-row img{height:40px;width:auto;flex-shrink:0;object-fit:contain}
.menu{display:flex;flex-wrap:nowrap;align-items:center;gap:18px;margin-left:auto;font-size:13px;color:var(--mut);font-weight:600;font-family:var(--font-display)}
.menu > a{transition:color .15s;position:relative;white-space:nowrap;flex-shrink:0;display:inline-flex;align-items:center;gap:6px}
.mi{width:14px;height:14px;flex-shrink:0;opacity:.5}
.menu > a:hover{color:var(--ink)}
.menu > a::after{content:"";position:absolute;left:0;right:100%;bottom:-4px;height:2px;background:var(--geo-bright);transition:right .2s}
.menu > a:hover::after{right:0}
.menu-cta{display:none}
.nav-actions{display:flex;align-items:center;gap:8px;flex-shrink:0}
.cta-ghost,.cta{
  display:inline-flex;align-items:center;justify-content:center;
  font-family:var(--font-display);font-weight:700;font-size:13px;
  padding:10px 16px;border:2px solid var(--line);border-radius:0;
  letter-spacing:.02em;clip-path:var(--clip-btn);transition:filter .15s,background .15s,color .15s;
  white-space:nowrap;
}
.cta-ghost{background:transparent;color:var(--aao-bright);border-color:var(--aao)}
.cta-ghost:hover{filter:brightness(1.12)}
.cta{background:var(--geo);border-color:var(--geo-bright);color:#04110f}
.cta:hover{filter:brightness(1.08)}
.burger{display:none;background:transparent;border:2px solid var(--line);color:var(--ink);border-radius:0;padding:6px 11px;font-size:16px;cursor:pointer;flex-shrink:0}

/* HERO — 全幅斜切场 · 品牌主导 */
.hero{
  min-height:100svh;display:flex;flex-direction:column;justify-content:center;align-items:stretch;
  padding:100px 0 88px;position:relative;overflow:hidden;color:var(--ink);background:var(--void);
  border-bottom:2px solid var(--line);
}
@media(max-width:960px){.hero{min-height:92svh;padding:108px 0 72px}}
.hero__media{position:absolute;inset:0;overflow:hidden}
.hero__image{
  width:100%;height:100%;object-fit:cover;object-position:center 36%;
  transform:scale(1.05);filter:brightness(.28) saturate(.55) contrast(1.15) grayscale(.25);
}
.hero__veil{position:absolute;inset:0;background:
  linear-gradient(105deg,rgba(10,10,10,.92) 0%,rgba(10,10,10,.72) 42%,rgba(10,10,10,.55) 70%,rgba(10,10,10,.8) 100%),
  linear-gradient(180deg,rgba(10,10,10,.25) 0%,transparent 28%,rgba(10,10,10,.9) 100%)}
/* 斜切动能块叠在英雄上 */
.hero__slashes{position:absolute;inset:0;pointer-events:none;z-index:2;overflow:hidden}
.hero__slashes .s{position:absolute;transform:skewX(-22deg)}
.hero__slashes .s1{right:6%;top:-8%;width:min(220px,28vw);height:118%;background:var(--geo);opacity:.22;animation:slash-pulse 7s ease-in-out infinite}
.hero__slashes .s2{right:22%;top:8%;width:min(72px,10vw);height:90%;background:var(--aao);opacity:.28;animation:slash-pulse 5.5s ease-in-out infinite 1s}
.hero__slashes .s3{right:-2%;bottom:-20%;width:min(160px,20vw);height:55%;background:var(--geo-bright);opacity:.12}
.hero__slashes .s4{left:-6%;bottom:0;width:48px;height:42%;background:var(--aao-bright);opacity:.16}
.hero__slashes .edge{
  position:absolute;right:18%;top:18%;width:2px;height:55%;
  background:linear-gradient(180deg,transparent,var(--geo-bright),transparent);
  opacity:.55;transform:skewX(-22deg);
  box-shadow:0 0 12px rgba(20,184,166,.25);
  animation:edge-glow 4s ease-in-out infinite;
}
.hero__copy{position:relative;z-index:3;margin:0 auto;text-align:left;display:flex;flex-direction:column;align-items:flex-start;max-width:640px;width:100%}
@media(min-width:900px){.hero__copy{margin-left:clamp(28px,10vw,120px)}}
.hero .kicker{
  font-family:var(--font-display);font-size:12px;font-weight:700;
  letter-spacing:.16em;text-transform:uppercase;color:var(--aao-bright);
  margin:0 0 16px;animation:rise-in .9s cubic-bezier(.22,1,.36,1) both;
}
.hero .brand-mark{
  font-family:var(--font-display);font-size:clamp(56px,10.5vw,108px);font-weight:800;
  letter-spacing:-.03em;line-height:.92;margin:0 0 18px;color:var(--ink);
  animation:rise-in .95s cubic-bezier(.22,1,.36,1) .06s both;
}
.hero .brand-mark span{color:var(--geo-bright)}
.hero h1{
  font-family:var(--font-display);font-size:clamp(1.35rem,3.2vw,2rem);line-height:1.3;
  margin:0 0 14px;max-width:16em;font-weight:700;letter-spacing:-.015em;color:var(--ink);
  animation:rise-in .95s cubic-bezier(.22,1,.36,1) .12s both;
}
.hero h1 em{
  font-style:normal;color:var(--aao-bright);
  background:linear-gradient(transparent 62%,rgba(234,88,12,.35) 62%);
}
.hero .sub{
  max-width:34em;margin:0;color:var(--mut);font-size:clamp(15px,1.4vw,1.02rem);line-height:1.6;font-weight:500;
  animation:rise-in .95s cubic-bezier(.22,1,.36,1) .18s both;
}
.hero .btns{display:flex;gap:12px;flex-wrap:wrap;margin-top:30px;animation:rise-in .95s cubic-bezier(.22,1,.36,1) .26s both}
.btn{
  display:inline-flex;align-items:center;justify-content:center;
  padding:12px 20px;border-radius:0;font-family:var(--font-display);
  font-weight:700;font-size:14px;letter-spacing:.02em;
  border:2px solid var(--line);clip-path:var(--clip-btn);
  transition:filter .15s,background .15s,border-color .15s,color .15s;
}
.btn.solid{background:var(--geo);border-color:var(--geo-bright);color:#04110f}
.btn.solid:hover{filter:brightness(1.1)}
.btn.ghost{background:transparent;border-color:var(--aao);color:var(--aao-bright)}
.btn.ghost:hover{filter:brightness(1.12)}
.hero .btn{
  /* 斜切保留，但左上角与徽标「闻见AI」左缘齐平 */
  clip-path:polygon(0 0,calc(100% - 8px) 0,100% 100%,8px 100%);
  margin-left:0;
}
.hero .btn.solid{background:var(--geo);border-color:var(--geo-bright);color:#04110f;box-shadow:none}
.hero .btn.solid:hover{filter:brightness(1.1)}
.hero .btn.ghost{border:2px solid var(--aao);background:transparent;color:var(--aao-bright)}
.hero .btn.ghost:hover{filter:brightness(1.12)}
.hero__scroll{
  position:absolute;left:50%;bottom:28px;z-index:3;
  font-family:var(--font-display);font-size:10px;letter-spacing:.28em;text-transform:uppercase;
  color:rgba(154,154,154,.7);text-decoration:none;animation:scroll-pulse 2.8s ease-in-out infinite;font-weight:600;
}
.hero__scroll::after{content:"";display:block;width:2px;height:32px;margin:10px auto 0;background:linear-gradient(var(--geo-bright),transparent)}
@media(prefers-reduced-motion:reduce){
  .hero__image,.page-bg,.hero__slashes .s1,.hero__slashes .s2,.hero__slashes .edge{animation:none}
  .hero .kicker,.hero .brand-mark,.hero h1,.hero .sub,.hero .btns,.hero__scroll{animation:none}
}

/* SECTIONS */
section{padding:var(--pad-section) 0;position:relative;border-bottom:2px solid var(--line)}
section.alt{background:var(--panel);border-top:2px solid var(--line);border-bottom:2px solid var(--line)}
.void-band{
  background:transparent;color:var(--ink);border:none;border-bottom:2px solid var(--line);overflow:hidden;
}
.void-band--deep{
  background:var(--panel);
  border-top:2px solid var(--line);
  border-bottom:2px solid var(--line);
  position:relative;
}
.void-band--deep::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:8px;
  background:repeating-linear-gradient(180deg,var(--geo) 0 24px,var(--aao) 24px 48px);
}
.void-band .sec-head .tag{color:var(--geo-bright)}
.void-band .sec-head h2{color:var(--ink)}
.void-band .sec-head p{color:var(--mut);max-width:40em}
.void-band .card{
  background:var(--panel);border:2px solid var(--line);box-shadow:none;
  border-radius:0;clip-path:var(--clip-card);backdrop-filter:none;
}
.void-band--deep .card{background:var(--panel-2)}
.void-band .card:hover{border-color:var(--geo);box-shadow:none;transform:none;filter:brightness(1.06)}
.void-band .card .ic{
  background:transparent;border:2px solid var(--line);color:var(--geo-bright);
  font-family:var(--font-display);font-size:11px;font-weight:800;border-radius:0;
  width:auto;height:auto;padding:3px 8px;letter-spacing:.08em;display:inline-block;
}
.void-band .card:nth-child(even) .ic{color:var(--aao-bright)}
.void-band .card h3{color:var(--ink);font-family:var(--font-display);letter-spacing:-.01em}
.void-band .card p{color:var(--mut)}
.void-band .card .sol{color:var(--geo-bright)}
.void-band .card .sol a{color:var(--geo-bright);font-weight:700}
.void-band .rail-item{background:var(--panel-2);border-left:3px solid var(--geo);border-radius:0}
.void-band .rail-item.aao{border-left-color:var(--aao)}
.void-band .rail-item b{color:var(--ink);font-family:var(--font-display)}
.void-band .rail-item span{color:var(--mut)}
.void-band .flip-hint{color:var(--mut);font-size:12px;letter-spacing:.04em;font-family:var(--font-display)}
.void-band .venn-back-t{color:var(--geo-bright)}
.void-band .venn-back-l{color:var(--ink)}
.void-band .venn-back-l b{color:var(--geo-bright)}
.void-band .venn-back-s{color:var(--mut)}
.void-band .venn-back-a{color:var(--aao-bright);border-color:var(--aao);background:transparent;border-radius:0;clip-path:var(--clip-btn)}
.void-band .venn-back-a:hover{background:rgba(234,88,12,.12)}
.void-band .plan-note{color:var(--mut)}
.void-band .plan{
  background:var(--panel);border:2px solid var(--line);box-shadow:none;border-radius:0;
  clip-path:var(--clip-card);
}
.void-band .plan:hover{border-color:var(--geo);box-shadow:none;transform:none}
.void-band .plan.hot{border-color:var(--aao);box-shadow:none}
.void-band .plan .pname{color:var(--ink);font-family:var(--font-display)}
.void-band .plan .psub,.void-band .plan li{color:var(--mut)}
.void-band .plan li.dim{color:#6B6B6B}
.void-band .plan li.dim::before{color:#6B6B6B}
.void-band .plan .price{font-family:var(--font-display);letter-spacing:-.02em;color:var(--geo-bright);background:none;-webkit-background-clip:unset;background-clip:unset}
.void-band .plan .price small{color:var(--mut);font-family:var(--font-sans)}
.void-band .plan-consult{background:transparent;color:var(--geo-bright);border:2px solid var(--geo);border-radius:0;clip-path:var(--clip-btn)}
.void-band .plan-consult:hover{background:var(--geo);color:#04110f;border-color:var(--geo-bright)}
.void-band .consult-panel{
  background:var(--panel);border:2px solid var(--line);box-shadow:none;border-radius:0;
}
.void-band .consult-panel h2{color:var(--ink);font-family:var(--font-display)}
.void-band .consult-panel .csub{color:var(--mut)}
.void-band .cfield label{color:var(--mut);font-size:12px;letter-spacing:.04em;font-weight:600}
.void-band .cfield input,.void-band .cfield textarea{
  background:var(--bg);border-color:var(--line2);color:var(--ink);border-radius:0;
}
.void-band .cfield input:focus,.void-band .cfield textarea:focus{border-color:var(--geo);box-shadow:0 0 0 2px rgba(13,148,136,.25)}
.void-band .csources{background:var(--panel-2);border-color:var(--line);border-radius:0}
.void-band .csources .ct,.void-band .csources label{color:var(--ink)}
.void-band .cback{background:transparent;border-color:var(--line2);color:var(--mut);border-radius:0;clip-path:var(--clip-btn)}
.void-band .cback:hover{background:var(--panel-2);color:var(--ink)}
.void-band .csuccess h3{color:var(--ink)}
.void-band .csuccess p{color:var(--mut)}
.void-band .cmp-box{background:var(--panel);border-color:var(--line);box-shadow:none;border-radius:0}
.void-band .cmp-table th,.void-band .cmp-table td{border-bottom-color:var(--line)}
.void-band .cmp-table thead th{background:rgba(13,148,136,.12);color:var(--ink);font-size:12px;letter-spacing:.02em}
.void-band .cmp-table thead .col-a{background:rgba(234,88,12,.12)}
.void-band .cmp-table tbody td:first-child{color:var(--ink)}
.void-band .cmp-table tbody tr:hover td{background:rgba(255,255,255,.03)}
.void-band .cmp-table .col-a{background:rgba(234,88,12,.04)}
.void-band .cmp-table .dim{color:#6B6B6B}
.void-band .btn.ghost{background:transparent;border-color:var(--aao);color:var(--aao-bright)}
.void-band .btn.ghost:hover{filter:brightness(1.12);background:transparent}
.void-band .btn.solid{background:var(--geo);color:#04110f;border-color:var(--geo-bright)}
.void-band .btn.solid:hover{filter:brightness(1.1)}
.void-band .disambig{background:rgba(13,148,136,.06);border-color:var(--line)}
.void-band .disambig h4{color:var(--geo-bright)}
.void-band .disambig p{color:var(--mut)}
.void-band .big-cta{
  background:var(--panel-2);
  border:2px solid var(--line);
  box-shadow:none;
  position:relative;overflow:hidden;
}
.void-band .big-cta::before{
  content:"";position:absolute;right:8%;top:-20%;width:120px;height:140%;
  background:var(--geo);transform:skewX(-22deg);opacity:.18;border-radius:0;
}

.sec-head{text-align:left;max-width:680px;margin:0 0 28px}
.sec-head.center{text-align:center;margin-left:auto;margin-right:auto}
.sec-head .tag{
  display:inline-flex;align-items:center;gap:0;
  font-family:var(--font-display);color:var(--geo-bright);
  font-size:11px;letter-spacing:.16em;font-weight:700;text-transform:uppercase;
}
.sec-head .tag::before{
  content:"";display:inline-block;width:18px;height:3px;border-radius:0;
  background:var(--aao);margin-right:8px;vertical-align:middle;transform:skewX(-24deg);
  box-shadow:none;
}
.sec-head h2{font-family:var(--font-display);font-size:clamp(1.3rem,2.6vw,1.7rem);margin:10px 0 10px;font-weight:800;letter-spacing:-.01em;color:var(--ink);line-height:1.25}
.sec-head p{color:var(--mut);font-size:.95rem;line-height:1.65}
.grid{display:grid;gap:12px}
.g4{grid-template-columns:repeat(auto-fit,minmax(240px,1fr))}
.g3{grid-template-columns:repeat(3,1fr)}
.g2{grid-template-columns:repeat(2,1fr)}

.card{
  background:var(--panel);border:2px solid var(--line);border-radius:0;padding:18px 16px;
  transition:filter .2s,border-color .2s;position:relative;box-shadow:none;
  clip-path:var(--clip-card);
}
.card::after{
  content:"";position:absolute;top:0;right:0;width:14px;height:14px;
  background:var(--geo);clip-path:polygon(0 0,100% 0,100% 100%);opacity:.85;pointer-events:none;
}
.card:nth-child(even)::after{background:var(--aao)}
.card:hover{transform:none;border-color:var(--geo);box-shadow:none;filter:brightness(1.05)}
.card .ic{
  width:auto;height:auto;border-radius:0;background:transparent;border:2px solid var(--line);
  display:inline-block;padding:3px 8px;font-size:11px;font-weight:800;font-family:var(--font-display);
  margin-bottom:10px;color:var(--geo-bright);letter-spacing:.08em;
}
.card:nth-child(even) .ic{color:var(--aao-bright)}
.card h3{font-size:.98rem;margin-bottom:8px;color:var(--ink);font-family:var(--font-display);font-weight:700;letter-spacing:-.01em}
.card p{font-size:.88rem;color:var(--mut);line-height:1.6}
.card p,.plan li,.plan .psub,.col div,.cpy,.disambig p{word-break:keep-all}
.nobr{white-space:nowrap}
.card .sol{margin-top:14px;font-size:13px;color:var(--geo-bright);font-weight:700}

.system-band{display:grid;grid-template-columns:1.05fr .95fr;gap:40px;align-items:center}
@media(max-width:960px){.system-band{grid-template-columns:1fr}}
.rail{display:grid;gap:12px}
.rail-item{padding:18px 20px;border-left:3px solid var(--geo);background:var(--panel-2);border-radius:0}
.rail-item.aao{border-left-color:var(--aao)}
.rail-item b{display:block;font-family:var(--font-display);font-size:15px;margin-bottom:4px;color:var(--ink);letter-spacing:-.01em;font-weight:700}
.rail-item span{font-size:13.5px;color:var(--mut);line-height:1.6}

.venn-scroll{max-width:660px;margin:0 auto;overflow-x:auto;-webkit-overflow-scrolling:touch}
.venn-flip{max-width:620px;margin:0 auto;cursor:pointer;perspective:1500px;outline:none}
.venn-flip:focus-visible{outline:2px solid var(--geo);outline-offset:6px;border-radius:0}
.venn-inner{position:relative;transition:transform .85s cubic-bezier(.22,.68,.2,1);transform-style:preserve-3d}
.venn-flip.flipped .venn-inner{transform:rotateY(180deg)}
.venn-face{backface-visibility:hidden;-webkit-backface-visibility:hidden}
.venn-face.front{background:transparent;border:none;border-radius:0;padding:8px;box-shadow:none}
.venn-face.back{position:absolute;inset:0;transform:rotateY(180deg);border:none;border-radius:0;background:transparent;box-shadow:none;display:flex;flex-direction:column;justify-content:center;align-items:center;text-align:center;padding:26px;gap:10px}
.venn{display:block;width:100%;height:auto}
.venn-back-t{font-family:var(--font-display);font-size:22px;font-weight:800;letter-spacing:.08em;color:var(--geo-bright)}
.venn-back-l{font-size:15px;color:var(--ink)}
.venn-back-l b{color:var(--geo-bright);font-weight:700}
.venn-back-s{font-size:12.5px;color:var(--mut)}
.venn-back-a{font-size:13px;color:var(--aao-bright);font-weight:700;border:2px solid var(--aao);border-radius:0;padding:8px 20px;margin-top:8px;clip-path:var(--clip-btn)}
.venn-back-a:hover{background:rgba(234,88,12,.12)}
.flip-hint{text-align:center;font-size:12px;color:var(--mut);margin-top:10px;letter-spacing:.04em;font-family:var(--font-display)}
.venn .g1,.venn .g2{animation:vGlow 4.6s ease-in-out infinite}
.venn .g2{animation-delay:2.3s}
@keyframes vGlow{0%,100%{opacity:.35}50%{opacity:.9}}

.plans{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:12px}
.plan-note{text-align:left;color:var(--mut);font-size:12.5px;margin-top:20px;line-height:1.65}
.plan{
  background:var(--panel);border:2px solid var(--line);border-radius:0;padding:28px 24px;
  position:relative;display:flex;flex-direction:column;transition:border-color .2s,filter .2s;
  box-shadow:none;clip-path:var(--clip-card);
}
.plan:hover{transform:none;border-color:var(--geo);box-shadow:none;filter:brightness(1.05)}
.plan.hot{border-color:var(--aao);box-shadow:none}
.plan.off{border-style:dashed;opacity:.78}
.plan-consult{
  margin-top:auto;padding:12px 0;width:100%;border:2px solid var(--geo);border-radius:0;
  background:transparent;color:var(--geo-bright);font-family:var(--font-display);font-weight:700;
  font-size:13px;letter-spacing:.02em;cursor:pointer;transition:background .15s,color .15s;
  clip-path:var(--clip-btn);
}
.plan-consult:hover{background:var(--geo);color:#04110f;border-color:var(--geo-bright);transform:none}
.plan ul{margin-bottom:18px}
.plan > .tag{
  position:absolute;top:-2px;left:16px;background:var(--geo);color:#04110f;
  font-family:var(--font-display);font-size:11px;font-weight:700;padding:4px 10px;
  border-radius:0;white-space:nowrap;letter-spacing:.04em;box-shadow:none;clip-path:var(--clip-btn);
}
.plan > .tag.grey{background:#4B5563;color:#fff}
.plan.hot > .tag{background:var(--aao);color:#fff}
.plan .pname{font-size:16px;font-weight:700;margin-bottom:3px;color:var(--ink);font-family:var(--font-display);letter-spacing:-.01em}
.plan .psub{font-size:12px;color:var(--mut);margin-bottom:16px}
.plan .price{
  font-size:28px;font-weight:800;color:var(--geo-bright);
  font-variant-numeric:tabular-nums;font-family:var(--font-display);letter-spacing:-.02em;
  background:none;-webkit-background-clip:unset;background-clip:unset;
}
.plan .price small{font-size:13px;color:var(--mut);font-weight:500;font-family:var(--font-sans)}
.plan ul{margin:16px 0 0;list-style:none;flex:1}
.plan li{font-size:12.5px;color:var(--mut);padding:5px 0 5px 20px;position:relative}
.plan li::before{content:"▸";position:absolute;left:0;color:var(--geo);font-weight:700}
.plan li.dim{color:#6B6B6B}
.plan li.dim::before{content:"—";color:#6B6B6B}

.consult-panel{display:none;max-width:780px;margin:34px auto 0;background:var(--panel);border:2px solid var(--line);border-radius:0;padding:40px 42px;box-shadow:none}
.consult-panel.show{display:block}
.consult-panel h2{font-family:var(--font-display);font-size:26px;font-weight:800;color:var(--ink);text-align:center;letter-spacing:-.02em}
.consult-panel .csub{text-align:center;color:var(--mut);font-size:14px;margin:10px 0 26px}
.cfield{margin-bottom:16px}
.cfield label{display:block;font-size:12px;font-weight:600;color:var(--mut);margin-bottom:6px;letter-spacing:.03em}
.cfield label .req{color:var(--aao-bright);margin-right:3px}
.cfield input,.cfield textarea{width:100%;border:2px solid var(--line2);border-radius:0;padding:12px 15px;font-size:14px;font-family:inherit;color:var(--ink);background:var(--bg);outline:none;transition:.15s}
.cfield textarea{min-height:120px;resize:vertical;line-height:1.7}
.cfield input:focus,.cfield textarea:focus{border-color:var(--geo);box-shadow:0 0 0 2px rgba(13,148,136,.25)}
.csources{border:2px solid var(--line);border-radius:0;background:var(--panel-2);padding:16px 20px;margin-bottom:20px}
.csources .ct{font-size:13px;font-weight:700;color:var(--ink);margin-bottom:12px;font-family:var(--font-display)}
.csources .ct .req{color:var(--aao-bright);margin-right:3px}
.csources label{display:inline-flex;align-items:center;gap:7px;font-size:13.5px;color:var(--ink);margin:6px 26px 6px 0;cursor:pointer;font-weight:400}
.csources input{width:16px;height:16px;accent-color:var(--geo);cursor:pointer}
.cerr{display:none;background:rgba(185,28,28,.15);border:2px solid rgba(185,28,28,.4);color:#FCA5A5;border-radius:0;padding:10px 14px;font-size:13px;margin-bottom:14px}
.cerr.show{display:block}
.cactions{display:flex;gap:12px;align-items:center;margin-top:6px}
.csubmit{flex:1;height:50px;border:2px solid var(--geo-bright);border-radius:0;background:var(--geo);color:#04110f;font-family:var(--font-display);font-weight:700;font-size:15px;letter-spacing:.02em;cursor:pointer;transition:.15s;clip-path:var(--clip-btn)}
.csubmit:hover{filter:brightness(1.08)}
.csubmit:disabled{opacity:.6;cursor:wait}
.cback{padding:13px 24px;border:2px solid var(--line2);border-radius:0;background:transparent;color:var(--mut);font-size:14px;font-family:var(--font-display);cursor:pointer;white-space:nowrap;transition:.15s;clip-path:var(--clip-btn)}
.cback:hover{background:var(--panel-2);color:var(--ink)}
.csuccess{display:none;text-align:center;padding:30px 0 10px}
.csuccess.show{display:block}
.csuccess .ci{width:56px;height:56px;border-radius:0;background:rgba(13,148,136,.15);color:var(--geo-bright);display:grid;place-items:center;font-size:28px;margin:0 auto 18px;border:2px solid var(--geo);clip-path:var(--clip-btn)}
.csuccess h3{font-size:20px;color:var(--ink);margin-bottom:8px;font-weight:800;font-family:var(--font-display)}
.csuccess p{font-size:14px;color:var(--mut);line-height:1.8}
@media(max-width:640px){.consult-panel{padding:28px 18px}.cactions{flex-direction:column}.cback{width:100%}.csources label{margin-right:16px}}

.cmp-box{background:var(--panel);border:2px solid var(--line);border-radius:0;overflow:hidden;box-shadow:none;margin-top:28px}
.cmp-scroll{overflow-x:auto}
table.cmp-table{width:100%;min-width:780px;border-collapse:collapse;font-size:13px}
.cmp-table th,.cmp-table td{padding:14px 16px;text-align:center;border-bottom:1px solid var(--line);vertical-align:middle}
.cmp-table thead th{background:rgba(13,148,136,.12);color:var(--ink);font-weight:700;white-space:nowrap;font-size:12px;font-family:var(--font-display)}
.cmp-table thead th:first-child{text-align:left}
.cmp-table tbody td:first-child{text-align:left;font-weight:600;color:var(--ink)}
.cmp-table tbody tr:last-child td{border-bottom:none}
.cmp-table tbody tr:hover td{background:rgba(255,255,255,.03)}
.cmp-table .col-a{background:rgba(234,88,12,.05)}
.cmp-table thead .col-a{background:rgba(234,88,12,.14)}
.cmp-table .gold{color:var(--geo-bright);font-weight:700}
.cmp-table .dim{color:#6B6B6B}

.big-cta{
  margin:6px 0 40px;border-radius:0;padding:64px 28px;text-align:center;
  background:var(--panel-2);position:relative;overflow:hidden;color:var(--ink);
  border:2px solid var(--line);box-shadow:none;
}
.big-cta::before{
  content:"";position:absolute;right:10%;top:-30%;width:140px;height:160%;
  background:var(--geo);transform:skewX(-22deg);opacity:.2;pointer-events:none;border-radius:0;
}
.big-cta::after{
  content:"";position:absolute;left:6%;bottom:-40%;width:80px;height:100%;
  background:var(--aao);transform:skewX(-22deg);opacity:.14;pointer-events:none;
  /* override old watermark */
  font-size:0;color:transparent;
}
.big-cta h2{font-family:var(--font-display);font-size:clamp(1.3rem,3vw,2rem);font-weight:800;margin-bottom:12px;position:relative;letter-spacing:-.02em;z-index:1}
.big-cta p{color:var(--mut);margin:0 auto 28px;position:relative;max-width:680px;z-index:1}
.big-cta .btns{display:flex;gap:12px;justify-content:center;flex-wrap:wrap;position:relative;margin-top:0;z-index:1}
.big-cta .btn.solid{background:var(--geo);color:#04110f;border-color:var(--geo-bright);box-shadow:none}
.big-cta .btn.solid:hover{filter:brightness(1.1)}
.big-cta .btn.ghost{border-color:var(--aao);color:var(--aao-bright);background:transparent}
.big-cta .btn.ghost:hover{filter:brightness(1.12)}
.disambig{max-width:none;width:100%;margin:36px 0 0;background:rgba(13,148,136,.06);border:2px solid var(--line);border-radius:0;padding:20px 24px;text-align:left;box-sizing:border-box}
.disambig h4{font-family:var(--font-display);font-size:11px;color:var(--geo-bright);letter-spacing:.14em;font-weight:700;margin-bottom:10px;text-transform:uppercase}
.disambig p{width:100%;box-sizing:border-box;font-size:12.5px;color:var(--mut);margin-bottom:8px;line-height:1.8;text-align:left;text-align-last:left}
.disambig p:last-child{margin-bottom:0}

footer{
  background:var(--bg);color:var(--mut);padding:40px 0 28px;
  border-top:6px solid transparent;
  border-image:repeating-linear-gradient(-28deg,var(--geo) 0 20px,var(--aao) 20px 40px,var(--bg) 40px 52px) 1;
}
.foot{display:flex;gap:40px;flex-wrap:wrap;justify-content:space-between}
.foot .brand b{font-size:17px;color:var(--ink);font-family:var(--font-display);letter-spacing:.01em;font-weight:800}
.foot .brand .slogan{color:var(--geo-bright);font-size:12px;font-weight:600;margin-left:8px}
.foot .brand p{font-size:12.5px;color:var(--mut);margin-top:6px;max-width:320px}
.foot .cols{display:flex;gap:56px;flex-wrap:wrap}
.foot .col h4{font-family:var(--font-display);font-size:11px;letter-spacing:.14em;color:var(--geo-bright);margin-bottom:14px;font-weight:700;text-transform:uppercase}
.foot .col a,.foot .col div{display:block;font-size:13px;color:var(--mut);margin-bottom:10px;transition:.15s}
.foot .col a:hover{color:var(--ink)}
.cpy{margin-top:40px;padding-top:20px;border-top:2px solid var(--line);text-align:left;font-size:12px;color:#6B6B6B;line-height:2;font-family:var(--font-display)}
.cpy a{color:var(--mut);text-decoration:none;transition:.15s}
.cpy a:hover{color:var(--ink)}
.cpy .links a{margin-right:20px}

@media(prefers-reduced-motion:reduce){.venn .g1,.venn .g2{animation:none}.venn-inner{transition:none}.hero__image{animation:none}}
@media(max-width:860px){
  .wrap.nav{padding:8px 16px;gap:10px}
  .logo-mark{gap:8px;min-width:0}
  .logo-mark img{height:32px}
  .logo-mark .cn{font-size:1rem}
  .logo-mark .sub{font-size:9px;letter-spacing:.08em}
  .menu{
    position:fixed;top:58px;right:0;width:min(300px,82vw);flex-direction:column;align-items:stretch;
    background:rgba(18,18,18,.98);border-left:2px solid var(--line);border-bottom:2px solid var(--line);
    padding:24px 22px;gap:16px;transform:translateX(105%);transition:.3s;margin:0;
    box-shadow:none;z-index:60;color:var(--ink);
  }
  .menu.open{transform:none}
  .menu > a::after{content:none}
  .menu-cta{
    display:inline-flex;align-items:center;justify-content:center;
    margin-top:6px;padding:10px 16px;border:2px solid var(--line);
    font-family:var(--font-display);font-weight:700;font-size:13px;
  }
  .menu-cta.solid{background:var(--geo);border-color:var(--geo-bright);color:#04110f}
  .burger{display:block;margin-left:auto}
  .nav-actions{display:none}
  .hero__slashes .s1,.hero__slashes .s2{opacity:.14}
  .hero__stage{display:block;padding:0 16px;max-width:640px}
  .hero__stage .hero__copy{max-width:none;width:100%;flex:none}
  .hero-mention{display:flex;width:100%;max-width:none;padding:22px 0 0;flex:none}
  .hero-mention__title,.hero-mention__grid,.hero-mention__legs{display:none}
  .hero .brand-mark{font-size:clamp(40px,11vw,56px)}
  .hero .kicker{letter-spacing:.1em;max-width:100%}
  .hero .btns{width:100%}
  .hero .btn{flex:1 1 auto}
}
@media(max-width:920px){.g3{grid-template-columns:1fr}.g2{grid-template-columns:1fr}}

/* ===== 品牌宣传视频（靠右居中） ===== */
#film .film-row{display:flex;justify-content:flex-end;margin-top:26px}
.film-video{width:min(720px,100%);aspect-ratio:16/9;object-fit:cover;border-radius:14px;border:1px solid var(--line2);background:#000;box-shadow:0 24px 70px rgba(0,0,0,.5)}
@media(max-width:860px){#film .film-row{justify-content:center}.film-video{width:100%}}