/* ==========================================================================
   NcmLite — 官网样式
   01 变量 / 基础   02 工具   03 按钮   04 导航   05 Hero   06 字幕
   07 数据带   08 区块骨架   09 卡片   10 分栏/播放器   11 宣言
   12 分段   13 界面   14 技术栈   15 CTA   16 页脚   17 响应式   18 动效偏好
   ========================================================================== */

/* ---------- 01 变量 / 基础 ---------- */
:root{
  --ink:#07080b;
  --ink-2:#0b0d12;
  --ink-3:#101319;
  --paper:#f4efe6;
  --paper-dim:#cfc8ba;
  --muted:#98a0ae;
  --muted-2:#6f7684;
  --gold:#e9c17a;
  --gold-2:#f7e0ae;
  --gold-deep:#b9812f;
  --red:#c2100f;
  --red-deep:#6d0a0c;
  --line:rgba(255,255,255,.075);
  --line-strong:rgba(255,255,255,.14);
  --radius:22px;
  --radius-sm:14px;
  --wrap:1200px;
  --ease:cubic-bezier(.2,.7,.3,1);
  --font:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",
         -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
}

*,*::before,*::after{box-sizing:border-box}

html{
  scroll-behavior:smooth;
  scroll-padding-top:84px;
  -webkit-text-size-adjust:100%;
}

body{
  margin:0;
  background:var(--ink);
  color:var(--paper);
  font-family:var(--font);
  font-size:16px;
  line-height:1.7;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
}

h1,h2,h3,h4{font-weight:800;letter-spacing:-.028em;line-height:1.1;margin:0}
p{margin:0}
a{color:inherit;text-decoration:none}
img,svg{display:block;max-width:100%}
ul,ol{margin:0;padding:0;list-style:none}
b,strong{font-weight:700}

::selection{background:rgba(233,193,122,.24);color:#fff}

:focus-visible{outline:2px solid var(--gold);outline-offset:3px;border-radius:6px}

.skip{
  position:fixed;left:-9999px;top:12px;z-index:999;
  padding:10px 18px;border-radius:999px;background:var(--gold);color:#1a1206;font-weight:700;
}
.skip:focus{left:12px}

/* ---------- 02 工具 ---------- */
.grain{
  position:fixed;inset:0;z-index:80;pointer-events:none;
  opacity:.055;mix-blend-mode:overlay;
  background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='180' height='180'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3' stitchTiles='stitch'/></filter><rect width='180' height='180' filter='url(%23n)'/></svg>");
}

.scroll-progress{
  position:fixed;top:0;left:0;z-index:90;
  height:2px;width:0;
  background:linear-gradient(90deg,var(--red),var(--gold));
  box-shadow:0 0 14px rgba(233,193,122,.55);
  transition:width .08s linear;
}

/* 只在 JS 可用时才"先隐藏后入场"：JS 不可用 / 观察器没触发时内容始终可见 */
.js .reveal{
  opacity:0;
  transform:translateY(30px);
  transition:opacity .95s var(--ease), transform .95s var(--ease);
}
.js .reveal.is-in{opacity:1;transform:none}

/* ---------- 03 按钮 ---------- */
.btn{
  position:relative;
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  padding:15px 30px;
  border-radius:999px;
  border:1px solid transparent;
  font-size:14.5px;font-weight:650;letter-spacing:.01em;
  white-space:nowrap;
  transition:transform .35s var(--ease), box-shadow .35s var(--ease),
             background-color .35s var(--ease), border-color .35s var(--ease), color .35s;
  will-change:transform;
}
.btn:hover{transform:translateY(-2px)}
.btn:active{transform:translateY(0)}

.btn--gold{
  color:#1b1305;
  background:linear-gradient(135deg,#fbeccb,var(--gold) 46%,#c3963f);
  box-shadow:0 16px 44px -16px rgba(233,193,122,.75), inset 0 1px 0 rgba(255,255,255,.65);
}
.btn--gold:hover{
  box-shadow:0 22px 60px -16px rgba(233,193,122,.9), inset 0 1px 0 rgba(255,255,255,.65);
}

.btn--line{
  color:var(--paper);
  border-color:var(--line-strong);
  background:rgba(255,255,255,.03);
  backdrop-filter:blur(8px);
  -webkit-backdrop-filter:blur(8px);
}
.btn--line:hover{border-color:rgba(233,193,122,.55);background:rgba(255,255,255,.06)}

.btn--sm{padding:11px 20px;font-size:13px}
.btn--lg{padding:17px 36px;font-size:15.5px}

/* ---------- 04 导航 ---------- */
.nav{
  position:fixed;inset:0 0 auto 0;z-index:70;
  transition:background-color .4s var(--ease), border-color .4s;
  border-bottom:1px solid transparent;
}
.nav.is-scrolled{
  background:rgba(7,8,11,.78);
  backdrop-filter:blur(16px) saturate(140%);
  -webkit-backdrop-filter:blur(16px) saturate(140%);
  border-bottom-color:var(--line);
}

.nav__inner{
  max-width:var(--wrap);margin:0 auto;
  padding:16px clamp(18px,4.5vw,40px);
  display:flex;align-items:center;gap:24px;
}

.brand{display:flex;align-items:center;gap:11px;flex:none}
.brand__mark{
  width:28px;height:28px;border-radius:9px;
  background:conic-gradient(from 210deg,#7a0b0d,var(--red) 34%,var(--gold) 70%,#7a0b0d);
  box-shadow:0 0 22px rgba(194,16,15,.5), inset 0 0 0 1px rgba(255,255,255,.24);
}
.brand__text{font-size:13px;font-weight:800;letter-spacing:.2em}
.brand__text em{
  font-style:normal;color:var(--gold);
  margin-left:6px;font-size:10px;letter-spacing:.18em;
  padding:2px 6px;border:1px solid rgba(233,193,122,.4);border-radius:5px;
  vertical-align:middle;
}

.nav__links{
  display:flex;gap:clamp(12px,2.2vw,30px);
  margin-left:auto;font-size:13.5px;color:var(--muted);
}
.nav__links a{position:relative;transition:color .3s}
.nav__links a::after{
  content:"";position:absolute;left:0;right:100%;bottom:-6px;height:1px;
  background:linear-gradient(90deg,var(--gold),transparent);
  transition:right .35s var(--ease);
}
.nav__links a:hover{color:var(--paper)}
.nav__links a:hover::after{right:0}

/* ---------- 05 Hero ---------- */
.hero{
  position:relative;
  min-height:100svh;
  display:flex;align-items:center;
  padding:clamp(120px,16vh,190px) clamp(18px,4.5vw,40px) clamp(80px,12vh,120px);
  overflow:hidden;
  isolation:isolate;
}

.hero__glow{
  position:absolute;border-radius:50%;pointer-events:none;
  filter:blur(70px);z-index:-1;will-change:transform;
}
.hero__glow--red{
  width:66vw;height:66vw;left:-20vw;bottom:-34vw;
  background:radial-gradient(circle,#a90e0f 0%,rgba(109,10,12,.42) 44%,transparent 70%);
  opacity:.8;
}
.hero__glow--gold{
  width:46vw;height:46vw;right:-14vw;top:-18vw;
  background:radial-gradient(circle,var(--gold) 0%,rgba(233,193,122,.2) 40%,transparent 68%);
  opacity:.5;
}
.hero__grid{
  position:absolute;inset:0;z-index:-1;pointer-events:none;opacity:.22;
  background-image:
    linear-gradient(rgba(255,255,255,.06) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.06) 1px,transparent 1px);
  background-size:124px 124px;
  -webkit-mask-image:radial-gradient(ellipse 78% 62% at 50% 42%,#000 18%,transparent 76%);
  mask-image:radial-gradient(ellipse 78% 62% at 50% 42%,#000 18%,transparent 76%);
}

.hero__inner{max-width:var(--wrap);margin:0 auto;width:100%}

.kicker{
  display:flex;align-items:center;gap:14px;
  font-size:11.5px;letter-spacing:.34em;text-transform:uppercase;
  color:var(--gold);margin-bottom:clamp(22px,3vw,34px);
}
.kicker::before{
  content:"";width:46px;height:1px;
  background:linear-gradient(90deg,var(--gold),transparent);
}

.hero__title{
  display:flex;flex-direction:column;
  font-size:clamp(46px,10.5vw,142px);
  line-height:.94;letter-spacing:-.045em;font-weight:900;
}
.hero__title .line{
  background:linear-gradient(176deg,#ffffff 6%,#f7e6bb 48%,#b9812f 98%);
  -webkit-background-clip:text;background-clip:text;
  color:transparent;
  filter:drop-shadow(0 26px 60px rgba(0,0,0,.6));
}
.hero__title .line--ghost{
  background:none;color:transparent;
  -webkit-text-stroke:1px rgba(244,239,230,.34);
  filter:none;
}

.hero__sub{
  margin-top:clamp(24px,3.4vw,38px);
  max-width:660px;
  font-size:clamp(15px,1.7vw,19px);
  line-height:1.85;color:var(--paper-dim);
}
.hero__sub strong{color:#fff;font-weight:750}
.hero__sub em{font-style:normal;color:var(--gold-2)}

.hero__actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:clamp(30px,4vw,44px)}

.hero__tags{display:flex;flex-wrap:wrap;gap:9px;margin-top:clamp(34px,5vw,58px)}
.hero__tags li{
  font-size:12px;letter-spacing:.04em;color:#cdc6b8;
  padding:7px 14px;border-radius:999px;
  border:1px solid rgba(255,255,255,.1);
  background:rgba(255,255,255,.022);
}

/* 滚动提示：一条细线上滑动的光点，比"胶囊鼠标"更克制 */
.hero__scroll{
  position:absolute;left:50%;bottom:24px;transform:translateX(-50%);
  width:1px;height:46px;overflow:hidden;
  background:rgba(255,255,255,.14);
}
.hero__scroll span{
  display:block;width:1px;height:16px;
  background:linear-gradient(180deg,var(--gold),rgba(233,193,122,0));
  animation:scrollDot 2.2s var(--ease) infinite;
}
@keyframes scrollDot{
  0%{opacity:0;transform:translateY(-16px)}
  25%{opacity:1}
  75%{opacity:1}
  100%{opacity:0;transform:translateY(46px)}
}

/* ---------- 06 字幕 ---------- */
.marquee{
  overflow:hidden;
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
  background:linear-gradient(180deg,rgba(255,255,255,.025),transparent);
  padding:20px 0;
}
.marquee__track{
  display:flex;align-items:center;gap:clamp(24px,4vw,54px);
  width:max-content;
  animation:marquee 34s linear infinite;
}
.marquee__track span{
  font-size:clamp(15px,2vw,22px);
  font-weight:600;letter-spacing:.12em;
  color:rgba(244,239,230,.55);
  white-space:nowrap;
}
.marquee__track i{font-style:normal;color:var(--gold);opacity:.65;font-size:14px}
@keyframes marquee{to{transform:translateX(-50%)}}

/* ---------- 07 数据带 ---------- */
.stats{border-bottom:1px solid var(--line)}
.stats__inner{
  max-width:var(--wrap);margin:0 auto;
  padding:clamp(34px,5vw,58px) clamp(18px,4.5vw,40px);
  display:grid;grid-template-columns:repeat(4,1fr);gap:26px;
}
.stat b{
  display:block;line-height:.95;letter-spacing:-.035em;
  font-size:clamp(38px,5vw,68px);font-weight:900;
  background:linear-gradient(178deg,#fff,#d9ceb9);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.stat b small{font-size:.42em;letter-spacing:0;vertical-align:super}
.stat span{display:block;margin-top:12px;font-size:12px;letter-spacing:.16em;color:var(--muted-2)}

/* ---------- 08 区块骨架 ---------- */
.section{position:relative}
.section--tint{
  background:
    radial-gradient(120% 90% at 90% 0%,rgba(194,16,15,.1),transparent 55%),
    linear-gradient(180deg,rgba(255,255,255,.018),transparent 40%);
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
}

.wrap{
  max-width:var(--wrap);margin:0 auto;
  padding:clamp(72px,10vw,140px) clamp(18px,4.5vw,40px);
}

.eyebrow{
  display:flex;align-items:center;gap:12px;
  font-size:11px;letter-spacing:.32em;text-transform:uppercase;
  color:var(--gold);margin-bottom:18px;
}
.eyebrow::after{
  content:"";height:1px;flex:0 0 82px;
  background:linear-gradient(90deg,rgba(233,193,122,.75),transparent);
}
.eyebrow--center{justify-content:center}
.eyebrow--center::after{display:none}

h2{font-size:clamp(30px,4.3vw,58px);margin-bottom:18px}
h2 .dim{color:#6d7385}

.lead{
  max-width:640px;
  font-size:clamp(14.5px,1.5vw,17px);
  line-height:1.9;color:#b3ada0;
}

/* ---------- 09 卡片 ---------- */
.cards{
  display:grid;grid-template-columns:repeat(3,1fr);
  gap:18px;margin-top:clamp(40px,6vw,62px);
}
.card{
  position:relative;
  padding:30px 28px 32px;
  border-radius:var(--radius);
  border:1px solid var(--line);
  background:linear-gradient(180deg,rgba(255,255,255,.05),rgba(255,255,255,.012));
  transition:transform .5s var(--ease), box-shadow .5s var(--ease), border-color .5s;
  overflow:hidden;
}
.card::before{
  content:"";position:absolute;inset:0;border-radius:inherit;padding:1px;
  background:linear-gradient(155deg,rgba(233,193,122,.6),rgba(255,255,255,.03) 42%,rgba(194,16,15,.45));
  -webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);
  -webkit-mask-composite:xor;mask-composite:exclude;
  opacity:0;transition:opacity .5s var(--ease);pointer-events:none;
}
.card:hover{transform:translateY(-6px);border-color:transparent;box-shadow:0 34px 80px -40px rgba(0,0,0,.95)}
.card:hover::before{opacity:1}

.card__no{font-size:10.5px;letter-spacing:.28em;color:#5f6577;margin-bottom:18px}
.card h3{font-size:19.5px;margin-bottom:12px}
.card p{font-size:13.8px;line-height:1.85;color:#a5a094}

/* ---------- 10 分栏 + 播放器示意 ---------- */
.split{
  display:grid;grid-template-columns:1.02fr .98fr;
  gap:clamp(34px,5vw,74px);align-items:center;
}
.split__text .lead{margin-top:6px}

.checks{margin-top:clamp(26px,3.4vw,38px);display:grid;gap:16px}
.checks li{display:flex;gap:14px;font-size:14px;line-height:1.75;color:#b8b2a5}
.checks li b{color:#f0eade;font-weight:700}
.checks__dot{
  flex:none;width:20px;height:20px;border-radius:50%;margin-top:2px;
  background:radial-gradient(circle at 34% 30%,rgba(233,193,122,.95),rgba(194,16,15,.55));
  box-shadow:0 0 16px rgba(233,193,122,.4);
}

.showcase{position:relative}

.tv{
  position:relative;
  padding:clamp(10px,1.6vw,18px);
  border-radius:24px;
  background:linear-gradient(170deg,#1b1e26,#0a0b10 55%,#070810);
  border:1px solid rgba(255,255,255,.09);
  box-shadow:
    0 60px 130px -60px rgba(0,0,0,1),
    inset 0 0 0 1px rgba(0,0,0,.6),
    inset 0 0 120px rgba(194,16,15,.14);
}
.tv::after{
  content:"";position:absolute;inset:0;border-radius:inherit;pointer-events:none;
  background:linear-gradient(120deg,rgba(255,255,255,.14),transparent 32%);
  opacity:.5;mix-blend-mode:overlay;
}

.tv__screen{
  position:relative;
  aspect-ratio:16/9;
  display:flex;flex-direction:column;justify-content:space-between;
  gap:clamp(10px,1.8vw,20px);
  padding:clamp(16px,2.8vw,34px);
  border-radius:14px;overflow:hidden;
  background:
    radial-gradient(90% 120% at 12% 0%,rgba(194,16,15,.35),transparent 58%),
    radial-gradient(80% 110% at 96% 6%,rgba(233,193,122,.16),transparent 55%),
    #0a0b10;
}

.tv__stand{
  width:26%;height:12px;margin:0 auto;
  border-radius:0 0 8px 8px;
  background:linear-gradient(180deg,rgba(255,255,255,.14),rgba(255,255,255,.02));
}

.player{
  display:flex;align-items:center;gap:clamp(12px,2.2vw,26px);
  min-height:0;flex:1;
}
.player__art{
  position:relative;flex:none;
  height:100%;aspect-ratio:1/1;
  border-radius:12px;overflow:hidden;
  background:
    radial-gradient(80% 80% at 30% 20%,rgba(255,255,255,.28),transparent 55%),
    conic-gradient(from 200deg,#8f0f11,#c2100f 30%,#e9c17a 62%,#5c0a0c 88%,#8f0f11);
  box-shadow:0 22px 50px -22px rgba(194,16,15,.8);
}
.player__artGlow{
  position:absolute;inset:-30%;
  background:radial-gradient(circle at 50% 50%,rgba(255,255,255,.35),transparent 55%);
  mix-blend-mode:overlay;
}

.player__body{min-width:0;flex:1}
.player__title{
  font-size:clamp(13px,1.6vw,20px);font-weight:750;
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
}
.player__artist{
  margin-top:4px;font-size:clamp(10px,1.1vw,13px);color:var(--muted);
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
}
.player__lyrics{
  margin-top:clamp(8px,1.4vw,16px);
  display:grid;gap:clamp(3px,.7vw,7px);
  font-size:clamp(10px,1.15vw,14px);line-height:1.5;color:#7e8494;
}
.player__lyrics .is-active{
  color:var(--gold-2);font-weight:650;
  text-shadow:0 0 22px rgba(233,193,122,.45);
}

.player__progress{
  position:relative;height:6px;border-radius:99px;
  background:rgba(255,255,255,.16);
}
.player__played{
  position:absolute;left:0;top:0;bottom:0;width:46%;
  border-radius:99px;background:#fff;
}
.player__chorus{
  position:absolute;left:46%;width:24%;top:-4px;bottom:-4px;
  border-radius:99px;background:var(--gold);
  box-shadow:0 0 22px rgba(233,193,122,.75);
}
.player__thumb{
  position:absolute;left:46%;top:50%;width:14px;height:14px;margin:-7px 0 0 -7px;
  border-radius:50%;background:#fff;
  box-shadow:0 0 0 3px rgba(255,255,255,.18), 0 0 18px rgba(255,255,255,.6);
}

.player__controls{
  display:flex;align-items:center;justify-content:space-between;
  gap:clamp(6px,1.2vw,14px);
}
.player__controls i{
  display:block;height:clamp(16px,2vw,26px);flex:1;
  border-radius:8px;
  background:rgba(255,255,255,.1);
  border:1px solid rgba(255,255,255,.07);
}
.player__controls i.is-main{
  flex:0 0 clamp(46px,7vw,78px);
  background:linear-gradient(140deg,#fff,#d8d3c8);
  border-color:transparent;
  box-shadow:0 0 0 2px rgba(233,193,122,.55), 0 0 30px rgba(233,193,122,.35);
}

.showcase__caption{
  margin-top:16px;text-align:center;
  font-size:11.5px;letter-spacing:.14em;color:var(--muted-2);
}

/* ---------- 11 宣言 ---------- */
.manifesto{
  position:relative;
  border-bottom:1px solid var(--line);
  background:radial-gradient(90% 130% at 50% 0%,rgba(194,16,15,.16),transparent 62%);
}
.manifesto .wrap{
  padding-top:clamp(72px,11vw,150px);
  padding-bottom:clamp(72px,11vw,150px);
  text-align:center;
}
.manifesto blockquote{
  margin:0;
  font-size:clamp(24px,4.4vw,60px);
  font-weight:850;letter-spacing:-.03em;line-height:1.32;
}
.manifesto blockquote span{display:block}
.manifesto blockquote .dim{color:#6d7385}
.manifesto__note{
  margin-top:clamp(24px,3vw,38px);
  font-size:12.5px;letter-spacing:.24em;color:var(--muted-2);
}

/* ---------- 12 分段 ---------- */
.segments{
  display:grid;grid-template-columns:repeat(3,1fr);
  gap:18px;margin-top:clamp(40px,6vw,62px);
}
.segment{
  position:relative;
  padding:clamp(26px,3vw,36px);
  border-radius:var(--radius);
  border:1px solid var(--line);
  background:linear-gradient(180deg,rgba(255,255,255,.045),rgba(255,255,255,.01));
  transition:border-color .5s, transform .5s var(--ease);
}
.segment:hover{border-color:rgba(233,193,122,.32);transform:translateY(-4px)}
.segment__num{
  font-size:62px;font-weight:900;line-height:.8;letter-spacing:-.05em;
  color:transparent;
  background:linear-gradient(180deg,rgba(255,255,255,.24),rgba(255,255,255,.03));
  -webkit-background-clip:text;background-clip:text;
  margin-bottom:18px;
}
.segment h3{font-size:18.5px;margin-bottom:12px}
.segment > p{font-size:13.6px;line-height:1.9;color:#a5a094}
.segment > p b{color:var(--gold-2);font-weight:650}
.segment__list{margin-top:18px;display:grid;gap:9px}
.segment__list li{
  position:relative;padding-left:16px;
  font-size:12.8px;line-height:1.7;color:#8d8899;
}
.segment__list li::before{
  content:"";position:absolute;left:0;top:.65em;
  width:5px;height:5px;border-radius:50%;background:var(--gold);opacity:.75;
}

/* ---------- 13 界面 ---------- */
.screens{
  display:grid;grid-template-columns:repeat(3,1fr);
  gap:20px;margin-top:clamp(40px,6vw,60px);
}
.screen{margin:0}
.screen__frame{
  position:relative;
  padding:8px;border-radius:16px;
  border:1px solid rgba(255,255,255,.09);
  background:linear-gradient(170deg,#171a22,#0a0b10);
  overflow:hidden;
  transition:transform .55s var(--ease), box-shadow .55s var(--ease);
}
.screen__frame:hover{transform:translateY(-6px);box-shadow:0 40px 90px -50px rgba(0,0,0,1)}
.screen__ui{
  position:relative;
  aspect-ratio:16/9;border-radius:9px;overflow:hidden;
  background:
    radial-gradient(90% 130% at 14% 0%,rgba(194,16,15,.5),transparent 60%),
    radial-gradient(80% 120% at 94% 8%,rgba(233,193,122,.26),transparent 56%),
    #0b0c11;
}
.screen__ui::after{
  content:attr(data-label);
  position:absolute;inset:0;display:grid;place-items:center;
  font-size:11.5px;letter-spacing:.3em;color:rgba(255,255,255,.42);
}
.screen figcaption{margin-top:12px;font-size:12.3px;letter-spacing:.03em;color:#8d877b}
.screens__hint{margin-top:22px;font-size:11.5px;letter-spacing:.08em;color:#5d6371}

/* ---------- 14 技术栈 ---------- */
.stack{
  display:grid;grid-template-columns:repeat(2,1fr);
  gap:16px;margin-top:clamp(38px,5vw,54px);
}
.stack__item{
  display:flex;gap:18px;
  padding:24px 26px;
  border-radius:var(--radius-sm);
  border:1px solid var(--line);
  background:rgba(255,255,255,.02);
  transition:border-color .45s, background-color .45s;
}
.stack__item:hover{border-color:rgba(233,193,122,.28);background:rgba(255,255,255,.035)}
.stack__item > span{
  flex:none;font-size:11px;letter-spacing:.26em;color:var(--gold);opacity:.85;padding-top:3px;
}
.stack__item b{display:block;font-size:14.5px;margin-bottom:6px}
.stack__item p{font-size:13px;line-height:1.8;color:#9a9488}

.stack__meta{display:flex;flex-wrap:wrap;gap:9px;margin-top:clamp(26px,3.4vw,38px)}
.stack__meta span{
  font-size:11.5px;letter-spacing:.06em;color:#a9a398;
  padding:7px 13px;border-radius:999px;
  border:1px solid var(--line);background:rgba(255,255,255,.02);
}

/* ---------- 15 CTA ---------- */
.cta{
  position:relative;overflow:hidden;text-align:center;
  border-top:1px solid var(--line);
}
.cta .wrap{
  padding-top:clamp(88px,13vw,170px);
  padding-bottom:clamp(88px,13vw,170px);
}
.cta__halo{
  position:absolute;left:50%;top:48%;transform:translate(-50%,-50%);
  width:min(1180px,135vw);aspect-ratio:1;border-radius:50%;
  background:radial-gradient(circle,rgba(194,16,15,.34),rgba(233,193,122,.1) 44%,transparent 66%);
  filter:blur(26px);pointer-events:none;
}
.cta h2{position:relative;font-size:clamp(32px,5.6vw,72px)}
.cta__sub{
  position:relative;
  margin:22px auto 0;max-width:560px;
  font-size:15px;line-height:1.9;color:#a9a49a;
}
.cta__actions{
  position:relative;
  display:flex;justify-content:center;flex-wrap:wrap;gap:14px;
  margin-top:clamp(30px,4vw,42px);
}
.cta__fine{position:relative;margin-top:26px;font-size:11.5px;letter-spacing:.1em;color:#5f6573}

/* ---------- 16 页脚 ---------- */
.footer{border-top:1px solid var(--line);background:#06070a}
.footer__inner{
  display:flex;flex-wrap:wrap;gap:clamp(28px,5vw,60px);
  justify-content:space-between;
  padding-top:clamp(46px,6vw,68px);padding-bottom:clamp(38px,5vw,54px);
}
.footer__brand{display:flex;gap:12px;align-items:flex-start}
.footer__brand b{font-size:15px;letter-spacing:.06em}
.footer__brand p{margin-top:6px;font-size:12.5px;color:var(--muted-2)}

.footer__cols{display:grid;grid-template-columns:repeat(3,minmax(120px,1fr));gap:clamp(24px,4vw,54px)}
.footer__cols h4{
  font-size:11px;letter-spacing:.24em;text-transform:uppercase;
  color:#7c8290;margin-bottom:14px;font-weight:700;
}
.footer__cols a{
  display:block;font-size:13px;color:#9c968a;margin-bottom:10px;
  transition:color .3s, transform .3s;
}
.footer__cols a:hover{color:var(--gold-2);transform:translateX(2px)}
.footer__fine{font-size:12px;line-height:1.85;color:#6b7180;max-width:280px}

.footer__bar{
  border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  padding:18px clamp(18px,4.5vw,40px);
  font-size:11.5px;letter-spacing:.1em;color:#565d6b;
}

/* ---------- 17 响应式 ---------- */
@media (max-width:1024px){
  .cards,.segments,.screens{grid-template-columns:repeat(2,1fr)}
  .split{grid-template-columns:1fr;gap:44px}
  .showcase{order:2}
}

@media (max-width:860px){
  .nav__links{display:none}
  .stats__inner{grid-template-columns:repeat(2,1fr);gap:22px}
  .stack{grid-template-columns:1fr}
  .footer__cols{grid-template-columns:repeat(2,minmax(120px,1fr))}
}

@media (max-width:680px){
  body{font-size:15px}
  .cards,.segments,.screens{grid-template-columns:1fr}
  .hero{min-height:auto;padding-top:130px}
  .hero__title{font-size:clamp(40px,13vw,72px)}
  .hero__scroll{display:none}
  .btn{padding:14px 24px}
  .btn--lg{padding:15px 28px}
  .footer__cols{grid-template-columns:1fr}
  .footer__bar{justify-content:flex-start}
}

/* ---------- 18 动效偏好 ---------- */
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
  }
  .js .reveal{opacity:1;transform:none}
  .marquee__track{animation:none}
  .hero__glow{transform:none !important}
}