/* ============================================================
   丰吉智充官网 · 双主题设计系统（能量橙 / 黑金）
   ============================================================ */
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}

/* ---------- 主题变量 ---------- */
:root{
  --ease:cubic-bezier(.65,0,.35,1);
  --ease-out:cubic-bezier(.22,1,.36,1);
  --font-d:"Archivo","Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  --font-b:"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
}
html[data-theme="orange"]{
  --bg:#070708; --bg-2:#0c0b0a; --bg-3:#131110;
  --text:#ededed; --text-70:rgba(237,237,237,.7); --text-50:rgba(237,237,237,.5); --text-30:rgba(237,237,237,.3);
  --line:rgba(237,237,237,.13);
  --accent:#ff6b35; --accent-2:#ffb800; --accent-deep:#e04e1a;
  --accent-soft:rgba(255,107,53,.1); --glow:rgba(255,107,53,.45);
  --on-accent:#0a0a0a;
  --grad:linear-gradient(120deg,#ff8e4d 0%,#ff6b35 45%,#ffb800 100%);
}
html[data-theme="gold"]{
  --bg:#080705; --bg-2:#0e0c07; --bg-3:#171309;
  --text:#f2ede2; --text-70:rgba(242,237,226,.7); --text-50:rgba(242,237,226,.5); --text-30:rgba(242,237,226,.3);
  --line:rgba(242,237,226,.15);
  --accent:#d4af37; --accent-2:#f0d488; --accent-deep:#a8862a;
  --accent-soft:rgba(212,175,55,.1); --glow:rgba(212,175,55,.42);
  --on-accent:#0a0906;
  --grad:linear-gradient(120deg,#f0d488 0%,#d4af37 45%,#f6e3a8 100%);
}

html{scroll-behavior:smooth}
html.lenis{scroll-behavior:auto}
body{
  background:var(--bg); color:var(--text);
  font-family:var(--font-b); font-size:16px; line-height:1.75;
  -webkit-font-smoothing:antialiased; overflow-x:hidden;
  transition:background-color .6s var(--ease),color .6s var(--ease);
}
::selection{background:var(--accent);color:var(--on-accent)}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit}
.wrap{max-width:1280px;margin:0 auto;padding:0 48px}
.accent-text{color:var(--accent);font-style:normal;transition:color .6s var(--ease)}

/* 细滚动条 */
::-webkit-scrollbar{width:10px}
::-webkit-scrollbar-track{background:var(--bg)}
::-webkit-scrollbar-thumb{background:var(--bg-3);border-radius:6px}
::-webkit-scrollbar-thumb:hover{background:var(--accent-deep)}

/* ---------- 通用显现动画 ---------- */
.reveal{opacity:0;transform:translateY(28px);transition:opacity .9s var(--ease-out),transform .9s var(--ease-out)}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  *{animation-duration:.01ms !important;animation-iteration-count:1 !important}
}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;gap:10px;
  font-weight:700;font-size:15px;letter-spacing:.06em;
  padding:14px 30px;border-radius:999px;white-space:nowrap;
  transition:transform .3s var(--ease),box-shadow .3s var(--ease),background-color .3s,color .3s,border-color .3s;
}
.btn:active{transform:scale(.95)}
.btn-lg{padding:17px 36px;font-size:16px}
.btn-solid{
  background:var(--accent);color:var(--on-accent);
  box-shadow:0 0 0 1px rgba(255,255,255,.12) inset,0 8px 32px -6px var(--glow);
}
.btn-solid:hover{transform:scale(1.06);box-shadow:0 0 0 1px rgba(255,255,255,.2) inset,0 14px 44px -6px var(--glow)}
.btn-ghost{
  border:1px solid var(--line);color:var(--text);
  background:rgba(255,255,255,.03);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
}
.btn-ghost:hover{border-color:var(--accent);color:var(--accent);transform:scale(1.06)}

/* ================= LOADER ================= */
.loader{
  position:fixed;inset:0;z-index:1000;background:var(--bg);
  display:flex;align-items:center;justify-content:center;
  transition:opacity .7s var(--ease),visibility .7s;
}
.loader.done{opacity:0;visibility:hidden}
.loader-inner{display:flex;flex-direction:column;align-items:center;gap:22px}
.loader-box{fill:none;stroke:var(--accent);stroke-width:1.6;stroke-dasharray:120;stroke-dashoffset:120;animation:draw 1.1s var(--ease) forwards}
.loader-z{fill:var(--accent);opacity:0;animation:fadein .5s .7s forwards}
.loader-word{font-family:var(--font-d);font-weight:700;font-size:12px;letter-spacing:.5em;color:var(--text-50);opacity:0;animation:fadein .6s .4s forwards}
.loader-bar{width:180px;height:2px;background:var(--line);border-radius:2px;overflow:hidden}
.loader-bar span{display:block;height:100%;width:0;background:var(--grad);transition:width .3s}
@keyframes draw{to{stroke-dashoffset:0}}
@keyframes fadein{to{opacity:1}}

/* ================= NAV ================= */
.nav{
  position:fixed;top:0;left:0;right:0;z-index:900;
  display:flex;align-items:center;justify-content:space-between;
  padding:18px 48px;transition:background-color .5s var(--ease),padding .4s var(--ease),border-color .5s,backdrop-filter .5s;
  border-bottom:1px solid transparent;
}
.nav.scrolled{
  padding:12px 48px;
  background:color-mix(in srgb,var(--bg) 78%,transparent);
  backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);
  border-bottom-color:var(--line);
}
.nav-logo{display:flex;align-items:center;gap:12px}
.logo-box{fill:var(--accent);transition:fill .6s var(--ease)}
.logo-z{fill:var(--on-accent);transition:fill .6s var(--ease)}
.nav-brand{display:flex;flex-direction:column;line-height:1.25;font-weight:900;font-size:18px;letter-spacing:.04em}
.nav-brand em{font-style:normal;font-family:var(--font-d);font-weight:700;font-size:8.5px;letter-spacing:.32em;color:var(--text-50)}
.nav-links{display:flex;gap:34px}
.nav-links a{
  font-size:14.5px;font-weight:500;color:var(--text-70);position:relative;padding:4px 0;
  transition:color .3s;
}
.nav-links a::after{
  content:"";position:absolute;left:0;bottom:0;height:2px;width:100%;
  background:var(--grad);transform:scaleX(0);transform-origin:right;
  transition:transform .45s var(--ease);
}
.nav-links a:hover{color:var(--text)}
.nav-links a:hover::after{transform:scaleX(1);transform-origin:left}
.nav-right{display:flex;align-items:center;gap:16px}
.nav-cta{padding:10px 22px;font-size:13.5px}

/* 主题切换 */
.theme-toggle{
  display:flex;align-items:center;gap:8px;
  border:1px solid var(--line);border-radius:999px;padding:8px 14px;
  font-size:12.5px;font-weight:700;letter-spacing:.08em;color:var(--text-70);
  transition:border-color .3s,color .3s;
}
.theme-toggle:hover{border-color:var(--accent);color:var(--text)}
.tt-dot{width:11px;height:11px;border-radius:50%;transition:transform .4s var(--ease),box-shadow .4s}
.tt-orange{background:#ff6b35}
.tt-gold{background:linear-gradient(135deg,#f0d488,#d4af37)}
html[data-theme="orange"] .tt-orange{box-shadow:0 0 10px 2px rgba(255,107,53,.7);transform:scale(1.25)}
html[data-theme="gold"] .tt-gold{box-shadow:0 0 10px 2px rgba(212,175,55,.7);transform:scale(1.25)}

/* 汉堡 & 移动菜单 */
.burger{display:none;flex-direction:column;gap:5px;padding:8px}
.burger span{width:24px;height:2px;background:var(--text);border-radius:2px;transition:transform .4s var(--ease),opacity .3s}
.burger.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.burger.open span:nth-child(2){opacity:0}
.burger.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.m-menu{
  position:fixed;inset:0;z-index:850;background:var(--bg);
  display:flex;flex-direction:column;justify-content:center;padding:0 40px;
  opacity:0;visibility:hidden;transition:opacity .5s var(--ease),visibility .5s;
}
.m-menu.open{opacity:1;visibility:visible}
.m-menu nav{display:flex;flex-direction:column}
.m-menu a{
  display:flex;align-items:baseline;gap:18px;
  font-size:clamp(28px,7vw,40px);font-weight:900;padding:16px 0;
  border-bottom:1px solid var(--line);
  opacity:0;transform:translateY(24px);transition:opacity .5s var(--ease-out),transform .5s var(--ease-out),color .3s;
}
.m-menu.open a{opacity:1;transform:none}
.m-menu a:nth-child(1){transition-delay:.08s}.m-menu a:nth-child(2){transition-delay:.14s}
.m-menu a:nth-child(3){transition-delay:.2s}.m-menu a:nth-child(4){transition-delay:.26s}
.m-menu a:nth-child(5){transition-delay:.32s}.m-menu a:nth-child(6){transition-delay:.38s}
.m-menu a i{font-style:normal;font-family:var(--font-d);font-size:13px;font-weight:700;color:var(--accent)}
.m-menu a:active{color:var(--accent)}
.m-menu-foot{position:absolute;bottom:34px;left:40px;font-size:13px;letter-spacing:.3em;color:var(--text-30)}

/* ================= HERO ================= */
.hero{
  position:relative;min-height:100svh;
  display:flex;flex-direction:column;justify-content:center;align-items:center;
  text-align:center;overflow:hidden;padding:120px 24px 100px;
}
#net{position:absolute;inset:0;width:100%;height:100%;display:block}
.hero-vignette{
  position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(ellipse 62% 52% at 50% 46%,transparent 0%,color-mix(in srgb,var(--bg) 62%,transparent) 72%,var(--bg) 100%);
}
.hero-word{
  position:absolute;top:50%;left:50%;transform:translate(-50%,-52%);
  font-family:var(--font-d);font-weight:900;font-size:clamp(90px,17vw,300px);
  letter-spacing:.02em;line-height:1;white-space:nowrap;
  color:transparent;-webkit-text-stroke:1px var(--text-30);opacity:.16;
  pointer-events:none;user-select:none;
}
.hero-inner{position:relative;z-index:2;max-width:980px}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-size:13.5px;font-weight:700;letter-spacing:.28em;color:var(--text-70);
  border:1px solid var(--line);border-radius:999px;padding:9px 20px;margin-bottom:34px;
  background:rgba(255,255,255,.03);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
}
.tick{width:8px;height:8px;border-radius:50%;background:var(--accent);box-shadow:0 0 12px 2px var(--glow);animation:pulse 2s infinite}
@keyframes pulse{0%,100%{transform:scale(1)}50%{transform:scale(1.5)}}
.hero-title{
  font-weight:900;font-size:clamp(52px,9.2vw,124px);line-height:1.08;letter-spacing:.02em;
  margin-bottom:30px;
}
.hero-title .line{display:block;overflow:hidden}
.hero-title em{display:inline-block;font-style:normal;transform:translateY(110%);animation:rise 1.1s var(--ease-out) forwards}
.hero-title .line:nth-child(2) em{animation-delay:.14s}
@keyframes rise{to{transform:none}}
.hero-title .accent-text{
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-sub{font-size:clamp(15px,1.6vw,18px);color:var(--text-70);margin-bottom:44px;transition:opacity .9s .35s var(--ease-out),transform .9s .35s var(--ease-out)}
.hero-cta{display:flex;gap:18px;justify-content:center;flex-wrap:wrap;transition:opacity .9s .5s var(--ease-out),transform .9s .5s var(--ease-out)}
.hero-bottom{
  position:absolute;bottom:30px;left:50%;transform:translateX(-50%);z-index:2;
  display:flex;flex-direction:column;align-items:center;gap:12px;
}
.hero-bottom p{font-family:var(--font-d);font-size:10.5px;font-weight:700;letter-spacing:.34em;color:var(--text-30)}
.hero-scroll{width:1px;height:56px;background:var(--line);position:relative;overflow:hidden}
.hero-scroll span{position:absolute;top:-40%;left:0;width:100%;height:40%;background:var(--accent);animation:scrolldown 1.8s var(--ease) infinite}
@keyframes scrolldown{0%{top:-40%}70%,100%{top:110%}}

/* ================= STATS ================= */
.stats{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:var(--bg-2);transition:background-color .6s var(--ease)}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr)}
.stat{
  padding:56px 36px;border-left:1px solid var(--line);
  transition:background-color .4s;
}
.stat:first-child{border-left:none}
.stat:hover{background:var(--accent-soft)}
.stat-num{
  font-family:var(--font-d);font-weight:900;font-size:clamp(34px,3.6vw,52px);
  line-height:1;letter-spacing:-.01em;margin-bottom:14px;font-variant-numeric:tabular-nums;
}
.stat-num i{font-style:normal;font-size:.55em;color:var(--accent);margin:0 2px}
.stat-label{font-size:14px;font-weight:500;color:var(--text-70);display:flex;flex-direction:column;gap:3px}
.stat-label span{font-family:var(--font-d);font-size:10px;font-weight:700;letter-spacing:.3em;color:var(--text-30)}

/* ================= 通用 SECTION ================= */
.section{padding:130px 0;position:relative}
.section-alt{background:var(--bg-2);transition:background-color .6s var(--ease)}
.sec-head{display:flex;align-items:flex-end;gap:28px;margin-bottom:64px}
.sec-no{
  font-family:var(--font-d);font-weight:900;font-size:clamp(64px,7vw,104px);line-height:.85;
  color:transparent;-webkit-text-stroke:1.5px var(--text-30);
  transition:-webkit-text-stroke .6s;
}
.sec-head:hover .sec-no{-webkit-text-stroke:1.5px var(--accent)}
.sec-title{font-size:clamp(30px,3.6vw,46px);font-weight:900;letter-spacing:.02em;line-height:1.2}
.sec-en{font-family:var(--font-d);font-size:12px;font-weight:700;letter-spacing:.26em;color:var(--accent);margin-top:8px;transition:color .6s var(--ease)}

/* ================= 01 ABOUT ================= */
.about-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:72px;align-items:start}
.about-lead{font-size:clamp(19px,1.9vw,24px);font-weight:700;line-height:1.65;margin-bottom:26px}
.about-lead strong,.about-text strong{color:var(--accent);font-weight:700;transition:color .6s}
.about-text{color:var(--text-70);margin-bottom:34px}
.about-tag{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;letter-spacing:.1em;
  color:var(--accent);border:1px solid var(--accent-soft);background:var(--accent-soft);
  padding:9px 18px;border-radius:999px;transition:color .6s,background-color .6s;
}
.about-right{display:flex;flex-direction:column;gap:22px}
.about-card{
  border:1px solid var(--line);border-radius:20px;padding:34px 36px;
  background:linear-gradient(160deg,rgba(255,255,255,.035),transparent 55%);
  position:relative;overflow:hidden;transition:border-color .4s,transform .4s var(--ease);
}
.about-card::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--grad);
  transform:scaleY(0);transform-origin:top;transition:transform .6s var(--ease);
}
.about-card:hover{border-color:var(--accent);transform:translateX(6px)}
.about-card:hover::before{transform:scaleY(1)}
.ac-no{font-family:var(--font-d);font-size:11px;font-weight:800;letter-spacing:.4em;color:var(--text-30)}
.about-card h3{font-size:21px;font-weight:900;margin:10px 0 10px}
.about-card p{color:var(--text-70);font-size:15px}

/* ================= 02 ADVANTAGES ================= */
.adv-banner{
  display:grid;grid-template-columns:auto 1fr;gap:44px;align-items:center;
  border:1px solid var(--line);border-radius:24px;padding:44px 48px;margin-bottom:18px;
  background:linear-gradient(120deg,var(--accent-soft),transparent 60%);
}
.adv-big{
  font-family:var(--font-d);font-weight:900;font-size:clamp(48px,5.5vw,84px);line-height:1;
  font-variant-numeric:tabular-nums;letter-spacing:-.02em;
}
.adv-big i{font-style:normal;color:var(--accent);font-size:.6em;transition:color .6s}
.adv-banner p{color:var(--text-70);font-size:15.5px;max-width:640px}
.adv-banner strong{color:var(--text)}
.adv-list{list-style:none}
.adv-row{
  display:grid;grid-template-columns:90px 320px 1fr 60px;gap:28px;align-items:center;
  padding:40px 20px;border-bottom:1px solid var(--line);position:relative;overflow:hidden;
  transition:padding .4s var(--ease);
}
.adv-row:first-of-type{border-top:1px solid var(--line)}
.adv-row::before{
  content:"";position:absolute;inset:0;background:var(--accent);
  transform:scaleY(0);transform-origin:bottom;transition:transform .5s var(--ease);z-index:0;
}
.adv-row:hover::before{transform:scaleY(1)}
.adv-row>*{position:relative;z-index:1;transition:color .4s}
.adv-no{font-family:var(--font-d);font-weight:900;font-size:26px;color:var(--text-30)}
.adv-row h3{font-size:21px;font-weight:900}
.adv-row p{color:var(--text-50);font-size:14.5px}
.adv-arrow{
  width:44px;height:44px;border:1px solid var(--line);border-radius:50%;
  display:flex;align-items:center;justify-content:center;color:var(--text-50);
  transition:transform .45s var(--ease),background-color .4s,color .4s,border-color .4s;
}
.adv-row:hover .adv-no{color:var(--on-accent)}
.adv-row:hover h3{color:var(--on-accent)}
.adv-row:hover p{color:color-mix(in srgb,var(--on-accent) 75%,transparent)}
.adv-row:hover .adv-arrow{background:var(--on-accent);color:var(--accent);border-color:var(--on-accent);transform:rotate(45deg)}

/* ================= KINETIC BAND ================= */
.kinetic{background:var(--accent);transform:rotate(-1.6deg) scale(1.02);margin:60px 0;overflow:hidden;transition:background-color .6s var(--ease)}
.kinetic-track{overflow:hidden;white-space:nowrap;padding:26px 0}
.kinetic-strip{display:inline-flex;align-items:center;animation:marquee 26s linear infinite}
.kinetic-strip span{
  font-weight:900;font-size:clamp(30px,4.2vw,56px);letter-spacing:.04em;color:var(--on-accent);
  padding:0 34px;
}
.kinetic-strip b{color:var(--on-accent);font-size:clamp(18px,2vw,28px);opacity:.7}
@keyframes marquee{to{transform:translateX(-50%)}}

/* ================= 03 PLATFORM · 钉住序列 ================= */
.platform-intro{max-width:760px;color:var(--text-70);font-size:clamp(15px,1.5vw,17.5px);margin:-24px 0 70px}
.pin-stage{position:relative}
.pin-inner{
  height:100vh;display:grid;
  grid-template-columns:1fr 110px 1fr;align-items:center;
  max-width:1280px;margin:0 auto;padding:0 48px;gap:24px;
}

/* --- 手机 --- */
.phone-col{position:relative;display:flex;justify-content:center}
.phone{
  position:relative;width:min(300px,26vw);aspect-ratio:300/610;
  border-radius:44px;border:1px solid var(--line);
  background:var(--bg-3);
  box-shadow:0 0 0 10px #0a0a0a,0 0 0 11px rgba(255,255,255,.08),0 40px 90px -20px rgba(0,0,0,.8);
  overflow:hidden;
}
html[data-theme="gold"] .phone{box-shadow:0 0 0 10px #0b0a06,0 0 0 11px rgba(212,175,55,.22),0 40px 90px -20px rgba(0,0,0,.8)}
.phone-notch{
  position:absolute;top:12px;left:50%;transform:translateX(-50%);
  width:34%;height:20px;border-radius:12px;background:#000;z-index:20;
}
.phone-glow{
  position:absolute;inset:auto;width:70%;height:60%;left:15%;top:20%;z-index:-0;
  background:radial-gradient(closest-side,var(--glow),transparent);
  filter:blur(50px);opacity:.5;pointer-events:none;
}
.screen{
  position:absolute;inset:0;padding:52px 18px 18px;
  opacity:0;visibility:hidden;
  display:flex;flex-direction:column;gap:12px;
  background:linear-gradient(180deg,var(--bg-2),var(--bg));
}
.scr-title{font-size:15px;font-weight:900;margin-bottom:4px}
/* 屏1 地图 */
.scr-map{position:relative;flex:1;border-radius:18px;overflow:hidden;
  background:
    linear-gradient(var(--line) 1px,transparent 1px) 0 0/26px 26px,
    linear-gradient(90deg,var(--line) 1px,transparent 1px) 0 0/26px 26px,
    var(--bg-2);
  border:1px solid var(--line);
}
.pin{position:absolute;width:10px;height:10px;border-radius:50% 50% 50% 0;transform:rotate(-45deg);background:var(--text-30)}
.pin::after{content:"";position:absolute;inset:2.5px;border-radius:50%;background:var(--bg-2)}
.pin.p1{left:18%;top:24%}.pin.p2{left:64%;top:16%}.pin.p3{left:44%;top:52%}
.pin.p4{left:76%;top:36%;background:var(--accent);animation:pinpulse 1.8s infinite}
.pin.on::after{background:var(--on-accent)}
@keyframes pinpulse{0%,100%{box-shadow:0 0 0 0 var(--glow)}60%{box-shadow:0 0 0 12px transparent}}
.route{position:absolute;inset:0;width:100%;height:100%}
.route path{stroke:var(--accent);animation:dashmove 2.4s linear infinite}
@keyframes dashmove{to{stroke-dashoffset:-56}}
.me{position:absolute;left:10%;bottom:10%;width:12px;height:12px;border-radius:50%;background:#3b9dff;box-shadow:0 0 0 5px rgba(59,157,255,.25)}
.scr-card{border:1px solid var(--line);border-radius:16px;padding:14px 16px;background:rgba(255,255,255,.03)}
.scr-card-t{font-size:13.5px;font-weight:900}
.scr-card-d{font-size:11px;color:var(--text-50);margin:4px 0 10px}
.scr-card-b{background:var(--accent);color:var(--on-accent);text-align:center;font-size:12.5px;font-weight:800;padding:9px;border-radius:10px}
/* 屏2 价格 */
.price-row{display:flex;justify-content:space-between;align-items:center;gap:8px;
  border:1px solid var(--line);border-radius:14px;padding:12px 14px}
.price-row b{font-size:12.5px;display:block}
.price-row i{font-style:normal;font-size:10.5px;color:var(--text-50)}
.price-row span{font-family:var(--font-d);font-weight:900;font-size:17px}
.price-row em{font-style:normal;font-size:10px;color:var(--text-50);font-family:var(--font-b)}
.price-row.best{border-color:var(--accent);background:var(--accent-soft);box-shadow:0 0 24px -6px var(--glow)}
.price-row.best span{color:var(--accent)}
.scr-tip{margin-top:auto;text-align:center;font-size:11px;color:var(--accent);border:1px dashed var(--accent-soft);border-radius:10px;padding:8px}
/* 屏3 支付 */
.wallet{border-radius:18px;padding:18px;background:var(--grad);color:var(--on-accent);display:flex;flex-direction:column;gap:2px}
.wallet i{font-style:normal;font-size:11px;font-weight:700;opacity:.8}
.wallet b{font-family:var(--font-d);font-size:26px;font-weight:900}
.wallet span{font-size:10.5px;font-weight:700;opacity:.85;margin-top:4px}
.pay-btn{border:1px solid var(--line);border-radius:14px;padding:14px;text-align:center;font-size:13.5px;font-weight:800}
.pay-btn.wx{background:rgba(9,187,7,.12);border-color:rgba(9,187,7,.4);color:#4ade80}
.pay-btn.soon{color:var(--text-50);display:flex;flex-direction:column;gap:2px;font-size:12.5px}
.pay-btn.soon i{font-style:normal;font-size:10px;color:var(--accent);letter-spacing:.2em}
/* 屏4 账单 */
.bill-row{display:flex;justify-content:space-between;align-items:center;gap:8px;border-bottom:1px solid var(--line);padding:11px 2px}
.bill-row b{font-size:12px;display:block}
.bill-row i{font-style:normal;font-size:10.5px;color:var(--text-50)}
.bill-row span{font-family:var(--font-d);font-weight:800;font-size:11.5px;color:var(--text-70);white-space:nowrap}

/* --- 进度线 --- */
.pin-progress{display:flex;align-items:center;gap:22px;height:56vh;justify-content:center}
.pp-line{width:2px;height:100%;background:var(--line);border-radius:2px;overflow:hidden}
.pp-line span{display:block;width:100%;height:0%;background:var(--grad)}
.pp-num{height:1.1em;overflow:hidden;font-family:var(--font-d);font-weight:900;font-size:44px;line-height:1.1}
.pp-strip{display:flex;flex-direction:column;transition:none}
.pp-strip b{height:1.1em;display:flex;align-items:center;color:var(--accent);transition:color .6s}

/* --- 右侧文案 --- */
.feat-col{position:relative;height:300px}
.feat{position:absolute;inset:0;display:flex;flex-direction:column;justify-content:center;opacity:0;visibility:hidden}
.feat h3{font-size:clamp(26px,2.6vw,36px);font-weight:900;margin-bottom:18px}
.feat h3::before{content:"";display:block;width:44px;height:4px;border-radius:2px;background:var(--grad);margin-bottom:18px}
.feat p{color:var(--text-70);font-size:clamp(14px,1.35vw,16.5px);max-width:460px}

/* --- 移动端卡片 --- */
.feat-cards{display:none;flex-direction:column;gap:16px;margin-bottom:80px}
.feat-card{border:1px solid var(--line);border-radius:20px;padding:28px;background:linear-gradient(160deg,rgba(255,255,255,.03),transparent 60%)}
.feat-card span{font-family:var(--font-d);font-weight:900;font-size:14px;color:var(--accent);letter-spacing:.2em}
.feat-card h3{font-size:19px;font-weight:900;margin:8px 0 10px}
.feat-card p{color:var(--text-50);font-size:14px}

/* ================= 平台价值 ================= */
.value{padding:40px 48px 0}
.value-title{font-size:clamp(22px,2.4vw,30px);font-weight:900;text-align:center;margin-bottom:36px}
.value-tabs{
  position:relative;display:flex;max-width:560px;margin:0 auto 44px;
  border:1px solid var(--line);border-radius:999px;padding:5px;background:var(--bg-2);
}
.vt-btn{
  flex:1;position:relative;z-index:1;padding:13px 10px;border-radius:999px;
  font-size:14.5px;font-weight:800;color:var(--text-50);transition:color .4s;letter-spacing:.02em;
}
.vt-btn.active{color:var(--on-accent)}
.vt-ink{
  position:absolute;top:5px;bottom:5px;left:5px;width:calc(50% - 5px);
  background:var(--accent);border-radius:999px;
  transition:transform .55s var(--ease),background-color .6s;
  box-shadow:0 6px 24px -6px var(--glow);
}
.value-tabs[data-active="partner"] .vt-ink{transform:translateX(100%)}
.vpanel{display:none;grid-template-columns:repeat(3,1fr);gap:20px}
.vpanel.active{display:grid;animation:panelin .6s var(--ease-out)}
@keyframes panelin{from{opacity:0;transform:translateY(20px)}to{opacity:1;transform:none}}
#panel-partner{grid-template-columns:repeat(4,1fr)}
.vitem{border:1px solid var(--line);border-radius:18px;padding:28px 26px;transition:border-color .35s,transform .35s var(--ease),background-color .35s}
.vitem:hover{border-color:var(--accent);transform:translateY(-6px);background:var(--accent-soft)}
.vitem h4{font-size:16.5px;font-weight:900;margin-bottom:10px}
.vitem h4::before{content:"◆ ";color:var(--accent);font-size:11px;vertical-align:2px;transition:color .6s}
.vitem p{color:var(--text-50);font-size:13.5px;line-height:1.7}

/* ================= 04 NETWORK ================= */
.net-lead{max-width:820px;color:var(--text-70);font-size:clamp(15px,1.5vw,17.5px);margin:-24px 0 56px}
.net-tags{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-bottom:70px}
.net-tag{border-top:2px solid var(--accent);padding:26px 4px 0;transition:transform .35s var(--ease)}
.net-tag:hover{transform:translateY(-6px)}
.net-tag h4{font-size:18px;font-weight:900;margin-bottom:10px}
.net-tag p{color:var(--text-50);font-size:14px}

.mix{border:1px solid var(--line);border-radius:26px;padding:48px;background:linear-gradient(160deg,rgba(255,255,255,.03),transparent 55%);margin-bottom:70px}
.mix-head{margin-bottom:38px}
.mix-head h3{font-size:clamp(20px,2.2vw,27px);font-weight:900;margin-bottom:8px}
.mix-head p{color:var(--text-50);font-size:14.5px}
.bar-row{display:grid;grid-template-columns:280px 1fr 90px;gap:24px;align-items:center;padding:18px 0;border-bottom:1px dashed var(--line)}
.bar-row:last-child{border-bottom:none}
.bar-info b{font-size:15.5px;font-weight:800;display:block}
.bar-info i{font-style:normal;font-size:12px;color:var(--text-50)}
.bar{height:14px;border-radius:99px;background:var(--bg-3);overflow:hidden}
.bar-fill{display:block;height:100%;width:0;border-radius:99px;transition:width 1.6s var(--ease)}
.bf1{background:linear-gradient(90deg,var(--accent-deep),var(--accent))}
.bf2{background:linear-gradient(90deg,var(--accent),var(--accent-2))}
.bf3{background:linear-gradient(90deg,var(--text-30),var(--text-50))}
.bar-pct{font-family:var(--font-d);font-weight:900;font-size:24px;text-align:right;font-variant-numeric:tabular-nums}

.partners-label{text-align:center;font-size:13px;font-weight:700;letter-spacing:.4em;color:var(--text-50);margin-bottom:30px}
.marquee{overflow:hidden;-webkit-mask-image:linear-gradient(90deg,transparent,#000 12%,#000 88%,transparent);mask-image:linear-gradient(90deg,transparent,#000 12%,#000 88%,transparent)}
.marquee-strip{display:flex;gap:20px;width:max-content;animation:marquee 22s linear infinite}
.plogo{
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;
  min-width:250px;padding:26px 30px;border:1px solid var(--line);border-radius:18px;
  font-size:21px;font-weight:900;letter-spacing:.12em;color:var(--text-70);
  transition:color .35s,border-color .35s,background-color .35s;
}
.plogo i{font-style:normal;font-family:var(--font-d);font-size:10px;font-weight:700;letter-spacing:.4em;color:var(--text-30)}
.plogo:hover{color:var(--accent);border-color:var(--accent);background:var(--accent-soft)}
.partners-note{text-align:center;margin-top:30px;font-size:12.5px;letter-spacing:.12em;color:var(--text-30)}

/* ================= 05 FUTURE ================= */
.future-lead{max-width:760px;color:var(--text-70);margin:-24px 0 56px;font-size:clamp(15px,1.5vw,17.5px)}
.future-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.fcard{
  border:1px solid var(--line);border-radius:22px;padding:40px 38px;position:relative;overflow:hidden;
  transition:transform .4s var(--ease),border-color .4s;
}
.fcard::after{
  content:"";position:absolute;right:-60px;top:-60px;width:180px;height:180px;border-radius:50%;
  background:radial-gradient(closest-side,var(--glow),transparent);opacity:0;transition:opacity .5s;
}
.fcard:hover{transform:translateY(-8px);border-color:var(--accent)}
.fcard:hover::after{opacity:.5}
.fc-no{font-family:var(--font-d);font-weight:900;font-size:15px;color:var(--accent);letter-spacing:.3em;transition:color .6s}
.fcard h3{font-size:21px;font-weight:900;margin:14px 0 12px}
.fcard p{color:var(--text-50);font-size:14.5px}

/* ================= FOOTER ================= */
.footer{border-top:1px solid var(--line);background:var(--bg-2);padding:100px 0 40px;transition:background-color .6s}
.foot-cta{text-align:center;margin-bottom:90px}
.foot-cta h2{font-size:clamp(38px,6vw,72px);font-weight:900;letter-spacing:.02em;margin-bottom:18px}
.foot-cta p{color:var(--text-50);margin-bottom:36px;font-size:15px}
.foot-grid{display:grid;grid-template-columns:1.2fr 1.4fr .8fr;gap:60px;padding-bottom:60px;border-bottom:1px solid var(--line)}
.foot-brand b{display:block;font-size:20px;font-weight:900;margin:14px 0 8px}
.foot-brand p{color:var(--text-50);font-size:13.5px}
.foot-info h5,.foot-nav h5{font-family:var(--font-d);font-size:11px;font-weight:800;letter-spacing:.3em;color:var(--accent);margin-bottom:10px;transition:color .6s}
.foot-info p{color:var(--text-70);font-size:14.5px;margin-bottom:22px}
.foot-nav{display:flex;flex-direction:column;gap:10px}
.foot-nav a{color:var(--text-70);font-size:14.5px;transition:color .3s,transform .3s;width:max-content}
.foot-nav a:hover{color:var(--accent);transform:translateX(6px)}
.foot-base{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;padding-top:28px;font-size:12px;color:var(--text-30);letter-spacing:.08em}
.foot-base span:last-child{font-family:var(--font-d);font-weight:700;letter-spacing:.24em}

/* ============================================================
   响应式 · 平板 / 手机 H5
   ============================================================ */
@media (max-width:1100px){
  .wrap{padding:0 32px}
  .nav{padding:16px 32px}
  .nav.scrolled{padding:10px 32px}
  .nav-links{display:none}
  .burger{display:flex}
  .nav-cta{display:none}
  .pin-inner{grid-template-columns:1fr 80px 1fr;padding:0 32px}
  .adv-row{grid-template-columns:60px 1fr 50px;grid-template-areas:"no title arrow" "no desc arrow"}
  .adv-no{grid-area:no}
  .adv-row h3{grid-area:title}
  .adv-row p{grid-area:desc}
  .adv-arrow{grid-area:arrow}
  .vpanel.active{grid-template-columns:repeat(2,1fr)}
  #panel-partner{grid-template-columns:repeat(2,1fr)}
  .foot-grid{grid-template-columns:1fr 1fr;gap:40px}
  .foot-nav{display:none}
}

@media (max-width:900px){
  /* 钉住序列降级为纵向卡片 */
  .pin-stage{display:none}
  .feat-cards{display:flex}
  .platform-intro{margin-bottom:44px}
  .about-grid{grid-template-columns:1fr;gap:44px}
  .stats-grid{grid-template-columns:repeat(2,1fr)}
  .stat{padding:36px 26px}
  .stat:nth-child(3){border-left:none}
  .stat:nth-child(n+3){border-top:1px solid var(--line)}
  .net-tags{grid-template-columns:1fr;gap:34px}
  .mix{padding:30px 24px}
  .bar-row{grid-template-columns:1fr;gap:10px;padding:20px 0}
  .bar-pct{text-align:left}
  .future-grid{grid-template-columns:1fr}
  .adv-banner{grid-template-columns:1fr;gap:20px;padding:32px 28px}
}

@media (max-width:640px){
  body{font-size:15px}
  .wrap{padding:0 22px}
  .nav{padding:14px 20px}
  .nav.scrolled{padding:10px 20px}
  .tt-label{display:none}
  .theme-toggle{padding:8px 10px}
  .section{padding:84px 0}
  .sec-head{flex-direction:column;align-items:flex-start;gap:14px;margin-bottom:44px}
  .sec-no{font-size:56px}
  .hero{padding:110px 20px 90px}
  .hero-cta{flex-direction:column;align-items:stretch}
  .hero-cta .btn{justify-content:center}
  .hero-word{font-size:22vw}
  .about-card{padding:26px 24px}
  .adv-row{grid-template-columns:44px 1fr;grid-template-areas:"no title" "no desc";padding:28px 4px;gap:14px}
  .adv-arrow{display:none}
  .adv-no{font-size:19px}
  .kinetic{margin:40px 0}
  .vt-btn{font-size:12.5px;padding:12px 6px}
  .vpanel.active{grid-template-columns:1fr}
  #panel-partner{grid-template-columns:1fr}
  .mix-head p{font-size:13px}
  .plogo{min-width:190px;padding:20px 18px;font-size:17px}
  .partners-note{letter-spacing:.04em;line-height:2}
  .fcard{padding:30px 26px}
  .footer{padding:70px 0 32px}
  .foot-cta{margin-bottom:60px}
  .foot-grid{grid-template-columns:1fr;gap:34px;padding-bottom:44px}
  .foot-base{flex-direction:column;gap:8px}
  .foot-cta .btn{width:100%;justify-content:center}
}