/* ============================================================
   聚客岛 JUKEDAO — 智慧官网
   设计语言：新中式印章美学 · 米纸 · 朱红 · 鎏金细线 · 五行五色
   ============================================================ */

:root{
  --paper:#F6F1E7;
  --paper-2:#EFE7D7;
  --paper-3:#FBF7EF;
  --ink:#2E2519;
  --ink-soft:#5E5447;
  --ink-mute:#776A5A;
  --red:#D01818;
  --red-deep:#A50E0E;
  --ochre:#7A5228;
  --gold:#C9A961;
  --gold-soft:#E2D2AC;
  --wood:#2F6B4F;
  --line:rgba(46,37,25,.14);
  --line-strong:rgba(46,37,25,.28);
  --shadow:0 24px 60px -30px rgba(46,37,25,.35);
  --serif:"Songti SC","Noto Serif SC","Source Han Serif SC","STSong","SimSun",serif;
  --sans:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",sans-serif;
  --ease:cubic-bezier(.16,1,.3,1);
  --container:1220px;
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:var(--sans);
  font-size:16px;
  line-height:1.75;
  letter-spacing:.01em;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer}
h1,h2,h3,h4,p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
::selection{background:var(--red);color:#fff}
:focus-visible{outline:2px solid var(--red);outline-offset:4px}

/* 纸感颗粒 */
.grain{
  position:fixed;inset:0;z-index:9998;pointer-events:none;opacity:.05;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='240' height='240'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.82' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}
.scroll-progress{
  position:fixed;top:0;left:0;height:2px;width:0;z-index:10000;
  background:linear-gradient(90deg,var(--red),var(--gold));
}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 36px}

/* ============ 顶部通告 ============ */
.topbar{
  background:var(--ink);color:rgba(246,241,231,.82);
  font-size:12px;letter-spacing:.06em;
}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:38px}
.topbar-right{display:flex;align-items:center;gap:16px;font-size:12px}
.topbar a{color:var(--gold-soft);transition:color .3s}
.topbar a:hover{color:#fff}
.dot{width:3px;height:3px;border-radius:50%;background:var(--gold)}

/* ============ 导航 ============ */
.nav{
  position:sticky;top:0;z-index:999;
  background:rgba(246,241,231,.88);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .4s,background .4s;
}
.nav.scrolled{box-shadow:0 18px 40px -30px rgba(46,37,25,.5);background:rgba(246,241,231,.96)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:30px;height:78px}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0}
.brand-icon{width:46px;height:46px;object-fit:contain}
.brand-text{display:flex;flex-direction:column;line-height:1.05}
.brand-text strong{font-family:var(--serif);font-size:24px;letter-spacing:.14em;color:var(--red)}
.brand-text small{font-size:9px;letter-spacing:.42em;color:var(--ink-soft);margin-top:3px}
.nav-links{display:flex;align-items:center;gap:28px;margin-left:auto}
.nav-links a{
  position:relative;font-size:14px;letter-spacing:.08em;color:var(--ink-soft);
  padding:6px 0;transition:color .3s;
}
.nav-links a::after{
  content:"";position:absolute;left:0;right:100%;bottom:0;height:1px;background:var(--red);
  transition:right .35s var(--ease);
}
.nav-links a:hover,.nav-links a.active{color:var(--red)}
.nav-links a:hover::after,.nav-links a.active::after{right:0}
.nav-actions{display:flex;align-items:center;gap:14px;flex-shrink:0}
.nav-phone{font-size:12px;letter-spacing:.04em;padding:10px 16px}
.nav-toggle{
  display:none;width:40px;height:40px;border:1px solid var(--line-strong);background:transparent;
  border-radius:2px;position:relative;
}
.nav-toggle span{
  position:absolute;left:11px;right:11px;height:1.5px;background:var(--ink);
  transition:transform .35s,top .35s;
}
.nav-toggle span:first-child{top:15px}
.nav-toggle span:last-child{top:23px}
.nav-toggle.open span:first-child{top:19px;transform:rotate(45deg)}
.nav-toggle.open span:last-child{top:19px;transform:rotate(-45deg)}

/* 移动菜单 */
.mobile-menu{
  position:fixed;inset:0;z-index:998;
  background:var(--ink);color:var(--paper);
  padding:100px 32px 40px;
  transform:translateX(101%);
  transition:transform .55s var(--ease);
  display:flex;flex-direction:column;justify-content:space-between;
  overflow-y:auto;
}
.mobile-menu.open{transform:none}
.mobile-menu nav{display:flex;flex-direction:column}
.mobile-menu nav a{
  display:flex;align-items:baseline;gap:18px;
  padding:18px 0;border-bottom:1px solid rgba(246,241,231,.12);
  font-family:var(--serif);font-size:26px;letter-spacing:.1em;color:#fff;
  transition:color .3s,padding-left .3s;
}
.mobile-menu nav a:hover{color:var(--red);padding-left:8px}
.mobile-menu nav a span{font-family:var(--sans);font-size:10px;letter-spacing:.16em;color:var(--gold)}
.mobile-menu-foot{margin-top:36px;font-size:12px;letter-spacing:.06em;color:rgba(246,241,231,.6)}
.mobile-menu-foot a{display:block;font-family:var(--serif);font-size:20px;letter-spacing:.08em;color:var(--gold-soft);margin-bottom:8px}

/* 锚点避开吸顶导航 */
section[id]{scroll-margin-top:92px}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  padding:13px 26px;border:1px solid transparent;border-radius:2px;
  font-size:14px;letter-spacing:.1em;line-height:1;font-weight:500;
  transition:transform .35s var(--ease),background .3s,color .3s,border-color .3s,box-shadow .35s;
  white-space:nowrap;
}
.btn-red{background:var(--red);color:#fff;box-shadow:0 12px 26px -16px rgba(208,24,24,.9)}
.btn-red:hover{background:var(--red-deep);transform:translateY(-2px);box-shadow:0 18px 34px -16px rgba(208,24,24,.9)}
.btn-ghost{color:var(--ink);border-color:var(--line-strong)}
.btn-ghost:hover{border-color:var(--red);color:var(--red)}
.btn-line{border-color:var(--line-strong);color:var(--ink)}
.btn-line:hover{border-color:var(--red);color:var(--red);transform:translateY(-2px)}
.btn-lg{padding:17px 34px;font-size:15px}
.btn-block{width:100%;padding:16px}
.arrow{transition:transform .3s}
.btn:hover .arrow{transform:translateX(4px)}

/* ============ 英雄区 ============ */
.hero{
  position:relative;overflow:hidden;
  padding:86px 0 46px;
  background:
    radial-gradient(1100px 520px at 78% 18%,rgba(208,24,24,.07),transparent 65%),
    radial-gradient(900px 480px at 8% 82%,rgba(201,169,97,.16),transparent 70%),
    var(--paper);
}
.hero-grid-lines{
  position:absolute;inset:0;pointer-events:none;opacity:.5;
  background-image:linear-gradient(90deg,var(--line) 1px,transparent 1px);
  background-size:calc(100% / 6) 100%;
  mask-image:linear-gradient(180deg,transparent,#000 18%,#000 82%,transparent);
  -webkit-mask-image:linear-gradient(180deg,transparent,#000 18%,#000 82%,transparent);
}
.hero-watermark{
  position:absolute;right:-2vw;top:-6%;z-index:0;
  font-family:var(--serif);font-size:min(52vw,720px);line-height:.8;
  color:rgba(122,82,40,.055);pointer-events:none;user-select:none;
}
.hero-inner{
  position:relative;z-index:2;
  display:grid;grid-template-columns:1.08fr .92fr;align-items:center;gap:50px;
  min-height:calc(100vh - 220px);
}
.eyebrow{
  display:flex;align-items:center;gap:14px;
  font-size:11px;letter-spacing:.34em;color:var(--ochre);text-transform:uppercase;
}
.eyebrow i{width:42px;height:1px;background:var(--gold)}
.hero h1{
  font-family:var(--serif);
  font-size:clamp(46px,6.4vw,88px);
  line-height:1.12;letter-spacing:.01em;font-weight:600;
  margin:26px 0 26px;
}
.seal-word{
  display:inline-block;position:relative;
  background:var(--red);color:#fff;
  padding:0 .16em .02em;margin:2px 0;
  transform:rotate(-1.2deg);
  box-shadow:10px 10px 0 rgba(208,24,24,.13);
  letter-spacing:.02em;
}
.hero-lead{
  max-width:560px;font-size:17px;line-height:1.95;color:var(--ink-soft);
}
.hero-lead strong{color:var(--ink);font-weight:600;border-bottom:1px solid var(--red);padding-bottom:1px}
.hero-actions{display:flex;gap:14px;margin-top:38px;flex-wrap:wrap}
.hero-meta{
  display:flex;gap:40px;margin-top:52px;padding-top:24px;border-top:1px solid var(--line);
  font-size:12px;letter-spacing:.05em;color:var(--ink-mute);
}
.hero-meta span{display:flex;align-items:baseline;gap:7px}
.hero-meta b{font-family:var(--serif);font-size:22px;color:var(--red);font-weight:600;letter-spacing:0}

/* 印章视觉 */
.hero-visual{position:relative;display:flex;flex-direction:column;align-items:center}
.seal-stage{position:relative;width:min(100%,480px);aspect-ratio:1;display:grid;place-items:center}
.seal-halo{
  position:absolute;inset:4%;border-radius:50%;
  border:1px dashed rgba(201,169,97,.55);
  animation:halo 26s linear infinite;
}
.seal-disc{
  position:relative;width:76%;aspect-ratio:1;border-radius:50%;
  display:grid;place-items:center;
  background:radial-gradient(circle at 34% 28%,#FFFCF5,#F1E8D6 72%,#E7DBC2);
  border:1px solid rgba(122,82,40,.22);
  box-shadow:
    inset 0 0 0 10px rgba(255,255,255,.4),
    0 40px 80px -40px rgba(46,37,25,.45);
}
.seal-ring{position:absolute;inset:-14%;width:128%;height:128%;animation:spin 70s linear infinite}
.seal-ring text{
  fill:var(--red);font-family:var(--sans);font-size:15.5px;letter-spacing:.34em;
}
.seal-logo{width:47%;filter:drop-shadow(0 14px 18px rgba(208,24,24,.18))}
.seal-caption{
  position:absolute;bottom:13%;left:0;right:0;text-align:center;
  font-size:10px;letter-spacing:.24em;color:var(--ochre);
}
.float-tag{
  position:absolute;background:var(--paper-3);border:1px solid var(--gold);
  color:var(--ochre);font-size:11px;letter-spacing:.18em;padding:7px 13px;
  box-shadow:0 12px 26px -18px rgba(46,37,25,.5);
  animation:floaty 7s ease-in-out infinite;
}
.tag-a{top:8%;left:2%;transform:rotate(-5deg)}
.tag-b{top:22%;right:-1%;transform:rotate(4deg);animation-delay:-2s}
.tag-c{bottom:20%;left:-2%;transform:rotate(3deg);animation-delay:-4s}
.tag-d{bottom:7%;right:6%;transform:rotate(-4deg);animation-delay:-1s}
.hero-visual-note{
  margin-top:18px;text-align:center;font-family:var(--serif);
  font-size:15px;letter-spacing:.16em;color:var(--ochre);line-height:1.8;
}
.hero-visual-note span{font-family:var(--sans);font-size:8px;letter-spacing:.28em;color:var(--ink-mute)}
.hero-bottom{position:relative;z-index:2;display:flex;justify-content:flex-start;margin-top:34px}
.hero-scroll{
  display:flex;align-items:center;gap:12px;
  font-size:10px;letter-spacing:.3em;color:var(--ink-mute);
}
.hero-scroll span{display:inline-block;animation:bob 2.4s ease-in-out infinite;color:var(--red)}

@keyframes spin{to{transform:rotate(360deg)}}
@keyframes halo{to{transform:rotate(-360deg)}}
@keyframes floaty{0%,100%{translate:0 0}50%{translate:0 -9px}}
@keyframes bob{0%,100%{transform:translateY(0)}50%{transform:translateY(5px)}}

/* ============ 滚动横幅 ============ */
.ticker{
  background:var(--ink);color:var(--paper);overflow:hidden;
  padding:19px 0;border-top:1px solid rgba(201,169,97,.3);
  border-bottom:1px solid rgba(201,169,97,.3);
}
.ticker-track{
  display:flex;align-items:center;gap:36px;width:max-content;
  animation:marquee 36s linear infinite;
  font-family:var(--serif);font-size:18px;letter-spacing:.24em;white-space:nowrap;
}
.ticker-track i{font-style:normal;color:var(--red);font-size:13px}
.ticker:hover .ticker-track{animation-play-state:paused}
@keyframes marquee{to{transform:translateX(-50%)}}

/* ============ 通用 section ============ */
.section{position:relative;padding:118px 0}
.section-head{margin-bottom:56px}
.chapter{display:flex;align-items:center;gap:14px;margin-bottom:22px}
.chapter span{
  font-family:var(--serif);font-size:12px;letter-spacing:.1em;color:var(--red);
  border:1px solid rgba(208,24,24,.4);padding:3px 8px;line-height:1.2;
}
.chapter i{width:46px;height:1px;background:var(--gold)}
.chapter em{font-style:normal;font-size:10px;letter-spacing:.32em;color:var(--ochre);text-transform:uppercase}
.section h2{
  font-family:var(--serif);font-weight:600;
  font-size:clamp(34px,4.1vw,56px);line-height:1.28;letter-spacing:.01em;
}
.section-lead{
  margin-top:22px;max-width:760px;font-size:16.5px;line-height:1.95;color:var(--ink-soft);
}
.pc-only{display:block}

/* ============ 01 为什么门头 ============ */
.why-grid{display:grid;grid-template-columns:.84fr 1.16fr;gap:64px;align-items:stretch}
.why-24{
  position:relative;overflow:hidden;
  background:var(--ink);color:var(--paper);
  padding:52px 44px;display:flex;flex-direction:column;
  box-shadow:var(--shadow);
}
.why-24::after{
  content:"售";position:absolute;right:-8%;bottom:-16%;
  font-family:var(--serif);font-size:300px;line-height:1;
  color:rgba(246,241,231,.035);pointer-events:none;
}
.why-24-num{
  position:relative;z-index:1;font-family:var(--serif);
  font-size:clamp(96px,10vw,150px);line-height:.9;color:var(--red);letter-spacing:-.02em;
}
.why-24-num span{font-size:.36em;color:var(--gold);letter-spacing:.05em;margin-left:6px}
.why-24-label{
  position:relative;z-index:1;font-family:var(--serif);font-size:22px;letter-spacing:.14em;
  margin-top:12px;color:#fff;
}
.why-24-desc{position:relative;z-index:1;margin-top:18px;font-size:14px;line-height:1.9;color:rgba(246,241,231,.68)}
.why-24-line{position:relative;z-index:1;height:1px;background:rgba(201,169,97,.35);margin:30px 0 20px}
.why-24-quote{position:relative;z-index:1;font-family:var(--serif);font-size:15px;letter-spacing:.1em;color:var(--gold-soft)}
.why-list{display:flex;flex-direction:column;justify-content:center}
.why-item{
  display:grid;grid-template-columns:64px 1fr;gap:22px;align-items:start;
  padding:25px 0;border-top:1px solid var(--line);
  transition:padding-left .4s var(--ease);
}
.why-item:last-child{border-bottom:1px solid var(--line)}
.why-item:hover{padding-left:10px}
.why-idx{
  font-family:var(--serif);font-size:13px;color:var(--red);letter-spacing:.08em;
  padding-top:6px;border-left:1px solid var(--red);padding-left:14px;
}
.why-item h3{font-family:var(--serif);font-size:23px;font-weight:600;letter-spacing:.06em}
.why-item p{margin-top:6px;font-size:14px;color:var(--ink-soft)}
.why-foot{
  display:flex;align-items:center;justify-content:space-between;gap:30px;
  margin-top:48px;padding-top:26px;border-top:1px solid var(--line);
  font-size:14px;color:var(--ink-soft);
}
.text-link{font-size:13px;letter-spacing:.1em;color:var(--red);display:inline-flex;align-items:center;gap:8px;white-space:nowrap}
.text-link span{transition:transform .3s}
.text-link:hover span{transform:translateX(5px)}

/* ============ 02 聚客定位 ============ */
.method{background:var(--paper-3);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.method-split{display:grid;grid-template-columns:1fr 1fr;gap:26px}
.method-card{
  position:relative;padding:44px 40px;background:var(--paper);
  border:1px solid var(--line);transition:border-color .35s,transform .4s var(--ease);
}
.method-card:hover{border-color:rgba(208,24,24,.5);transform:translateY(-4px)}
.method-en{font-size:9px;letter-spacing:.3em;color:var(--gold);}
.method-card h3{font-family:var(--serif);font-size:34px;letter-spacing:.2em;margin:10px 0 4px}
.method-sub{font-family:var(--serif);font-size:16px;color:var(--red);letter-spacing:.05em;margin-bottom:16px}
.method-card > p:last-child{font-size:14.5px;color:var(--ink-soft);line-height:1.95}

.twin{
  position:relative;overflow:hidden;margin-top:64px;
  background:var(--ink);color:var(--paper);padding:62px 56px;
  box-shadow:var(--shadow);
}
.twin::before{
  content:"锤";position:absolute;right:2%;top:-10%;
  font-family:var(--serif);font-size:360px;line-height:1;color:rgba(246,241,231,.035);
}
.twin-head{position:relative;z-index:1;text-align:center;margin-bottom:46px}
.twin-kicker{font-size:10px;letter-spacing:.34em;color:var(--gold);margin-bottom:14px}
.twin-head h3{font-family:var(--serif);font-size:clamp(28px,3.4vw,42px);letter-spacing:.12em;color:#fff}
.twin-head p{margin-top:10px;font-size:14px;color:rgba(246,241,231,.62)}
.twin-grid{position:relative;z-index:1;display:grid;grid-template-columns:1fr 60px 1fr;align-items:center;gap:0}
.twin-card{
  border:1px solid rgba(246,241,231,.16);padding:34px 32px;height:100%;
  background:rgba(246,241,231,.03);transition:border-color .35s,background .35s;
}
.twin-card:hover{border-color:rgba(201,169,97,.6);background:rgba(246,241,231,.05)}
.twin-badge{
  display:inline-block;font-size:9px;letter-spacing:.2em;color:var(--gold);
  border:1px solid rgba(201,169,97,.45);padding:3px 9px;margin-bottom:18px;
}
.twin-card h4{font-family:var(--serif);font-size:38px;letter-spacing:.16em;color:#fff}
.twin-en{display:block;font-size:9px;letter-spacing:.22em;color:var(--gold-soft);margin:8px 0 18px}
.twin-card p{font-size:14px;line-height:1.95;color:rgba(246,241,231,.68)}
.twin-result{
  margin-top:24px;padding-top:18px;border-top:1px solid rgba(246,241,231,.14);
  font-family:var(--serif);font-size:24px;letter-spacing:.2em;color:var(--red);
}
.twin-result em{font-style:normal;font-family:var(--sans);font-size:10px;letter-spacing:.24em;color:var(--gold);display:block;margin-bottom:4px}
.twin-plus{
  text-align:center;font-family:var(--serif);font-size:30px;color:var(--red);
  width:60px;
}
.twin-note{
  position:relative;z-index:1;text-align:center;margin-top:44px;
  font-size:13px;letter-spacing:.06em;color:rgba(246,241,231,.55);
}

/* ============ 03 三大武器 ============ */
.weapons{background:var(--paper-2)}
.weapon-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.weapon-card{
  display:flex;flex-direction:column;
  background:var(--paper-3);border:1px solid var(--line);
  padding:38px 32px 34px;position:relative;
  transition:transform .45s var(--ease),box-shadow .45s,border-color .35s;
}
.weapon-card::before{
  content:"";position:absolute;left:0;right:0;top:0;height:3px;background:var(--red);
  transform:scaleX(0);transform-origin:left;transition:transform .5s var(--ease);
}
.weapon-card:hover{transform:translateY(-8px);box-shadow:var(--shadow);border-color:rgba(208,24,24,.28)}
.weapon-card:hover::before{transform:scaleX(1)}
.weapon-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:26px}
.weapon-num{
  font-family:var(--serif);font-size:56px;line-height:1;letter-spacing:-.02em;
  color:transparent;-webkit-text-stroke:1px rgba(208,24,24,.65);
}
.weapon-stage{font-size:10px;letter-spacing:.24em;color:var(--ochre);border-bottom:1px solid var(--gold);padding-bottom:3px}
.weapon-card h3{font-family:var(--serif);font-size:38px;letter-spacing:.14em}
.weapon-tag{font-size:12.5px;letter-spacing:.04em;color:var(--red);margin:8px 0 24px}
.weapon-card ul{display:flex;flex-direction:column;gap:12px;flex:1}
.weapon-card li{
  position:relative;padding-left:16px;font-size:13.5px;line-height:1.8;color:var(--ink-soft);
}
.weapon-card li::before{
  content:"";position:absolute;left:0;top:.72em;width:5px;height:5px;
  background:var(--red);transform:rotate(45deg);
}
.weapon-out{
  margin-top:30px;padding-top:18px;border-top:1px solid var(--line);
  font-family:var(--serif);font-size:26px;letter-spacing:.34em;color:var(--red);
}
.weapons-note{
  margin-top:46px;text-align:center;font-size:14px;color:var(--ink-soft);letter-spacing:.04em;
}
.weapons-note strong{color:var(--red);font-weight:600}

/* ============ 04 聚客锤 ============ */
.hammer-layout{display:grid;grid-template-columns:.92fr 1.08fr;gap:70px;align-items:start}
.hammer-intro{position:sticky;top:104px}
.logo-meaning{
  display:flex;gap:24px;align-items:flex-start;
  padding-bottom:34px;border-bottom:1px solid var(--line);
}
.logo-meaning-mark{
  flex-shrink:0;width:96px;height:96px;border-radius:50%;
  border:1px solid var(--gold);display:grid;place-items:center;
  background:radial-gradient(circle at 40% 30%,#fff,#EFE6D4);
}
.logo-meaning-mark img{width:62%}
.logo-meaning-title{font-family:var(--serif);font-size:20px;letter-spacing:.08em;margin-bottom:8px}
.logo-meaning p:last-child{font-size:13.5px;line-height:1.9;color:var(--ink-soft)}
.wuxing{padding:34px 0;border-bottom:1px solid var(--line)}
.wuxing-title{font-size:11px;letter-spacing:.2em;color:var(--ochre);margin-bottom:18px}
.wuxing-row{display:flex;gap:8px}
.wx{
  flex:1;min-width:0;padding:12px 8px;border-top:3px solid var(--gold);
  background:var(--paper-3);display:flex;flex-direction:column;gap:3px;
  transition:transform .3s,box-shadow .3s;
}
.wx:hover{transform:translateY(-3px);box-shadow:0 14px 24px -20px rgba(46,37,25,.6)}
.wx b{font-family:var(--serif);font-size:20px;font-weight:600}
.wx small{font-size:9px;letter-spacing:.02em;color:var(--ink-mute);white-space:nowrap}
.wx-wood{border-top-color:var(--wood)}.wx-wood b{color:var(--wood)}
.wx-fire{border-top-color:var(--red)}.wx-fire b{color:var(--red)}
.wx-earth{border-top-color:var(--ochre)}.wx-earth b{color:var(--ochre)}
.wx-metal{border-top-color:var(--gold)}.wx-metal b{color:#9C7F3F}
.wx-water{border-top-color:var(--ink)}.wx-water b{color:var(--ink)}
.wuxing-note{margin-top:16px;font-size:11px;letter-spacing:.04em;color:var(--ink-mute)}
.hammer-quote{margin-top:34px}
.hammer-quote p{font-family:var(--serif);font-size:21px;line-height:1.7;letter-spacing:.04em}
.hammer-quote span{display:block;margin-top:12px;font-size:10px;letter-spacing:.24em;color:var(--ochre)}

.modules-title{
  display:flex;align-items:baseline;justify-content:space-between;gap:20px;
  font-family:var(--serif);font-size:20px;letter-spacing:.1em;
  padding-bottom:18px;border-bottom:1px solid var(--line-strong);
}
.modules-title span{font-family:var(--sans);font-size:9px;letter-spacing:.24em;color:var(--ochre)}
.module-list details{border-bottom:1px solid var(--line)}
.module-list summary{
  display:grid;grid-template-columns:46px 1fr auto;align-items:center;gap:14px;
  padding:21px 4px;cursor:pointer;list-style:none;
  transition:background .3s,padding .3s;
}
.module-list summary::-webkit-details-marker{display:none}
.module-list summary:hover{background:rgba(208,24,24,.035);padding-left:10px}
.m-num{font-family:var(--serif);font-size:12px;color:var(--red);letter-spacing:.08em}
.m-name{font-family:var(--serif);font-size:18px;letter-spacing:.06em}
.m-sub{font-size:10.5px;color:var(--ink-mute);letter-spacing:.04em;text-align:right}
.module-list summary::after{
  content:"＋";font-size:16px;color:var(--red);grid-column:4;justify-self:end;
  transition:transform .35s;margin-left:8px;
}
.module-list details[open] summary::after{content:"−"}
.module-list summary{grid-template-columns:46px 1fr auto 18px}
.module-list details p{
  padding:0 4px 24px 60px;font-size:13.5px;line-height:1.9;color:var(--ink-soft);
  animation:fadeDown .35s var(--ease);
}
@keyframes fadeDown{from{opacity:0;transform:translateY(-6px)}to{opacity:1;transform:none}}

/* ============ 05 聚客仓（深色） ============ */
.warehouse{
  background:var(--ink);color:var(--paper);overflow:hidden;position:relative;
}
.warehouse::before{
  content:"仓";position:absolute;left:-3%;bottom:-14%;
  font-family:var(--serif);font-size:520px;line-height:1;color:rgba(246,241,231,.025);
  pointer-events:none;
}
.warehouse .chapter span{color:var(--red);border-color:rgba(208,24,24,.5)}
.warehouse .chapter i{background:var(--gold)}
.warehouse .chapter em{color:var(--gold)}
.warehouse h2{color:#fff}
.warehouse .section-lead{color:rgba(246,241,231,.66)}
.warehouse-features{
  position:relative;z-index:1;
  display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-bottom:56px;
}
.wh-feature{
  border:1px solid rgba(246,241,231,.14);padding:34px 30px;
  background:rgba(246,241,231,.03);transition:border-color .35s,background .35s;
}
.wh-feature:hover{border-color:rgba(201,169,97,.55);background:rgba(246,241,231,.05)}
.wh-num{
  font-family:var(--serif);font-size:64px;line-height:1;color:var(--red);
  display:flex;align-items:baseline;gap:4px;
}
.wh-num span{font-size:16px;color:var(--gold);letter-spacing:.06em}
.wh-feature h3{font-family:var(--serif);font-size:20px;letter-spacing:.1em;color:#fff;margin:16px 0 10px}
.wh-feature p{font-size:13px;line-height:1.9;color:rgba(246,241,231,.62)}
.warehouse-main{
  position:relative;z-index:1;
  display:grid;grid-template-columns:1.08fr .92fr;gap:46px;align-items:stretch;
}
.budget-card{
  border:1px solid rgba(201,169,97,.4);padding:40px 38px;
  background:linear-gradient(145deg,rgba(208,24,24,.12),rgba(246,241,231,.02));
}
.budget-label{font-size:11px;letter-spacing:.24em;color:var(--gold)}
.budget-compare{display:flex;align-items:center;gap:24px;margin:26px 0 24px}
.budget-col{flex:1;display:flex;flex-direction:column;gap:6px}
.budget-tag{font-size:10px;letter-spacing:.14em;color:rgba(246,241,231,.55)}
.budget-col b{font-family:var(--serif);font-size:clamp(38px,4.6vw,60px);line-height:1;color:rgba(246,241,231,.5)}
.budget-col b em{font-style:normal;font-size:14px;margin-left:4px;letter-spacing:.1em}
.budget-col small{font-size:11.5px;color:rgba(246,241,231,.5)}
.budget-col.is-red b{color:var(--red)}
.budget-col.is-red small{color:rgba(246,241,231,.75)}
.budget-arrow{font-size:26px;color:var(--gold);flex-shrink:0}
.budget-note{
  padding-top:20px;border-top:1px solid rgba(246,241,231,.14);
  font-size:12.5px;line-height:1.9;color:rgba(246,241,231,.6);
}
.scenes{padding:10px 0 0}
.scenes-title{font-family:var(--serif);font-size:20px;letter-spacing:.1em;color:#fff;margin-bottom:10px}
.scenes li{
  display:grid;grid-template-columns:84px 1fr;gap:16px;align-items:start;
  padding:18px 0;border-bottom:1px solid rgba(246,241,231,.12);
}
.scenes li:first-child{border-top:1px solid rgba(246,241,231,.12);margin-top:14px}
.scenes b{font-family:var(--serif);font-size:16px;letter-spacing:.08em;color:var(--red)}
.scenes span{font-size:12.5px;line-height:1.8;color:rgba(246,241,231,.62)}
.plugins{position:relative;z-index:1;margin-top:52px;padding-top:34px;border-top:1px solid rgba(246,241,231,.14)}
.plugins-label{font-size:11px;letter-spacing:.18em;color:var(--gold);margin-bottom:18px}
.plugin-tags{display:flex;flex-wrap:wrap;gap:9px}
.plugin-tags span{
  font-size:11.5px;letter-spacing:.08em;color:rgba(246,241,231,.75);
  border:1px solid rgba(246,241,231,.18);padding:6px 14px;
  transition:border-color .3s,color .3s,background .3s;
}
.plugin-tags span:hover{border-color:var(--gold);color:#fff;background:rgba(201,169,97,.08)}

/* ============ 06 聚客云 ============ */
.cloud{background:var(--paper-3)}
.cloud-owner{
  display:flex;align-items:center;gap:44px;
  padding:38px 44px;border:1px solid var(--line);background:var(--paper);
  margin-bottom:52px;
}
.owner-num{font-family:var(--serif);font-size:clamp(64px,7vw,96px);line-height:1;color:var(--red);flex-shrink:0}
.owner-num em{font-style:normal;font-size:.34em;color:var(--ochre)}
.cloud-owner p{font-size:14.5px;line-height:1.9;color:var(--ink-soft);max-width:640px}
.cloud-ways{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.way-card{
  position:relative;padding:34px 30px 30px;background:var(--paper);
  border:1px solid var(--line);transition:transform .4s var(--ease),border-color .35s,box-shadow .4s;
  display:flex;flex-direction:column;
}
.way-card:hover{transform:translateY(-6px);border-color:rgba(208,24,24,.4);box-shadow:var(--shadow)}
.way-badge{
  align-self:flex-start;font-size:9.5px;letter-spacing:.16em;color:var(--red);
  border:1px solid rgba(208,24,24,.35);padding:3px 9px;margin-bottom:18px;
}
.way-card h3{font-family:var(--serif);font-size:20px;letter-spacing:.05em;line-height:1.5}
.way-card h3 em{font-style:normal;color:var(--red);margin-right:6px}
.way-card p{font-size:13px;line-height:1.9;color:var(--ink-soft);margin:14px 0 22px;flex:1}
.way-line{
  display:block;padding-top:16px;border-top:1px solid var(--line);
  font-size:11.5px;letter-spacing:.04em;color:var(--red);
}
.engines{margin-top:56px}
.engines-title{font-family:var(--serif);font-size:20px;letter-spacing:.1em;margin-bottom:22px}
.engine-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line)}
.engine{
  background:var(--paper);padding:26px 24px;display:grid;
  grid-template-columns:44px 1fr;column-gap:16px;align-items:center;
  transition:background .3s;
}
.engine:hover{background:var(--paper-3)}
.engine span{
  grid-row:span 2;width:40px;height:40px;display:grid;place-items:center;
  font-family:var(--serif);font-size:18px;color:#fff;background:var(--red);
}
.engine b{font-family:var(--serif);font-size:16.5px;letter-spacing:.06em}
.engine small{font-size:11px;color:var(--ink-mute);line-height:1.6}
.engines-foot{margin-top:16px;font-size:10.5px;letter-spacing:.03em;color:var(--ink-mute)}

/* ============ 07 关于 ============ */
.about{background:var(--paper-2)}
.about-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:70px;align-items:start}
.about-lead{
  font-family:var(--serif);font-size:20px;line-height:1.9;letter-spacing:.02em;
  padding-left:22px;border-left:3px solid var(--red);margin-bottom:26px;
}
.about-copy p{font-size:14.5px;line-height:2;color:var(--ink-soft);margin-bottom:16px}
.about-sign{display:flex;align-items:center;gap:16px;margin-top:32px}
.sign-seal{
  width:54px;height:54px;display:grid;place-items:center;
  background:var(--red);color:#fff;font-family:var(--serif);font-size:26px;
  transform:rotate(-3deg);box-shadow:4px 4px 0 rgba(208,24,24,.15);
}
.about-sign b{display:block;font-family:var(--serif);font-size:17px;letter-spacing:.08em}
.about-sign small{font-size:10.5px;letter-spacing:.06em;color:var(--ink-mute)}
.about-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line)}
.stat{background:var(--paper-3);padding:30px 22px;text-align:center;transition:background .3s}
.stat:hover{background:#fff}
.stat b{display:block;font-family:var(--serif);font-size:clamp(34px,3.4vw,46px);line-height:1;color:var(--red)}
.stat b em{font-style:normal;font-size:.36em;color:var(--ochre);margin-left:2px}
.stat span{display:block;margin-top:10px;font-size:11.5px;letter-spacing:.06em;color:var(--ink-soft)}
.group{margin-top:64px;padding:46px 44px;background:var(--ink);color:var(--paper)}
.group-title{font-family:var(--serif);font-size:19px;letter-spacing:.12em;color:#fff;margin-bottom:26px}
.group-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.group-item{border:1px solid rgba(246,241,231,.16);padding:26px 24px;transition:border-color .35s,background .35s}
.group-item:hover{border-color:rgba(201,169,97,.5);background:rgba(246,241,231,.04)}
.group-item b{display:block;font-family:var(--serif);font-size:23px;letter-spacing:.14em;color:var(--gold-soft)}
.group-item.is-main b{color:var(--red)}
.group-item span{display:block;font-size:12.5px;color:rgba(246,241,231,.8);margin:8px 0 4px}
.group-item small{font-size:10.5px;letter-spacing:.03em;color:rgba(246,241,231,.45)}

/* ============ 08 业态 ============ */
.industries{background:var(--paper)}
.industry-grid{
  display:grid;grid-template-columns:repeat(5,1fr);gap:1px;
  background:var(--line);border:1px solid var(--line);
}
.industry{
  background:var(--paper-3);padding:30px 24px;min-height:150px;
  display:flex;flex-direction:column;
  transition:background .4s,color .4s,transform .4s var(--ease);
}
.industry span{font-family:var(--serif);font-size:11px;letter-spacing:.1em;color:var(--red);transition:color .4s}
.industry b{font-family:var(--serif);font-size:20px;letter-spacing:.08em;margin:auto 0 8px;font-weight:600}
.industry small{font-size:10px;letter-spacing:.02em;color:var(--ink-mute);line-height:1.6;transition:color .4s}
.industry:hover{background:var(--ink);color:var(--paper);transform:translateY(-3px)}
.industry:hover b{color:#fff}
.industry:hover span{color:var(--gold)}
.industry:hover small{color:rgba(246,241,231,.6)}

/* ============ 09 创始人（深色） ============ */
.founder{
  background:var(--ink);color:var(--paper);overflow:hidden;position:relative;
}
.founder::before{
  content:"玄";position:absolute;right:-2%;top:-12%;
  font-family:var(--serif);font-size:520px;line-height:1;color:rgba(246,241,231,.03);
  pointer-events:none;
}
.founder-inner{
  position:relative;z-index:1;
  display:grid;grid-template-columns:.78fr 1.22fr;gap:80px;align-items:center;
}
.founder-portrait{display:flex;flex-direction:column;align-items:center;text-align:center}
.portrait-seal{
  position:relative;width:270px;height:270px;border-radius:50%;
  border:1px solid rgba(201,169,97,.5);display:grid;place-items:center;
  background:radial-gradient(circle at 40% 32%,rgba(208,24,24,.22),rgba(208,24,24,.05) 65%,transparent);
}
.portrait-seal::before{
  content:"";position:absolute;inset:14px;border-radius:50%;
  border:1px dashed rgba(201,169,97,.35);
  animation:halo 40s linear infinite reverse;
}
.portrait-char{
  font-family:var(--serif);font-size:130px;line-height:1;color:var(--red);
  text-shadow:0 18px 40px rgba(208,24,24,.35);
}
.portrait-ring{
  position:absolute;bottom:26px;left:0;right:0;text-align:center;
  font-size:9px;letter-spacing:.2em;color:var(--gold);
}
.portrait-name{font-family:var(--serif);font-size:26px;letter-spacing:.14em;color:#fff;margin-top:26px}
.portrait-name small{font-size:12px;color:rgba(246,241,231,.55);letter-spacing:.06em}
.portrait-title{font-size:12px;line-height:1.9;letter-spacing:.08em;color:rgba(246,241,231,.6);margin:8px 0 24px}
.founder-portrait .btn-line{color:var(--paper);border-color:rgba(246,241,231,.3)}
.founder-portrait .btn-line:hover{color:var(--red);border-color:var(--red)}
.founder .chapter span{color:var(--red);border-color:rgba(208,24,24,.5)}
.founder .chapter i{background:var(--gold)}
.founder .chapter em{color:var(--gold)}
.founder h2{color:#fff}
.founder-quote{
  margin:26px 0 36px;padding-left:22px;border-left:2px solid var(--red);
  font-family:var(--serif);font-size:17px;line-height:1.9;color:rgba(246,241,231,.78);
  letter-spacing:.02em;
}
.gene-list{display:flex;flex-direction:column}
.gene{display:grid;grid-template-columns:44px 1fr;gap:20px;padding:22px 0;border-top:1px solid rgba(246,241,231,.14)}
.gene:last-child{border-bottom:1px solid rgba(246,241,231,.14)}
.gene-idx{
  font-family:var(--serif);font-size:13px;color:var(--gold);letter-spacing:.1em;
  border-left:1px solid rgba(201,169,97,.4);padding-left:12px;padding-top:6px;
}
.gene h3{font-family:var(--serif);font-size:20px;letter-spacing:.08em;color:#fff;font-weight:600}
.gene p{margin-top:7px;font-size:13px;line-height:1.9;color:rgba(246,241,231,.6)}

/* ============ 10 承诺 ============ */
.promise{background:var(--paper-3)}
.promise-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.promise-item{border-top:2px solid var(--red);padding-top:24px}
.promise-item span{font-family:var(--serif);font-size:11px;letter-spacing:.14em;color:var(--red)}
.promise-item h3{font-family:var(--serif);font-size:21px;letter-spacing:.06em;margin:12px 0 10px}
.promise-item p{font-size:12.5px;line-height:1.9;color:var(--ink-soft)}
.process{margin-top:64px;padding:40px 44px;background:var(--paper);border:1px solid var(--line)}
.process-title{font-size:11px;letter-spacing:.22em;color:var(--ochre);margin-bottom:26px}
.process-line{display:grid;grid-template-columns:repeat(5,1fr);position:relative}
.process-line::before{
  content:"";position:absolute;left:5%;right:5%;top:19px;height:1px;background:var(--line-strong);
}
.process-line li{display:flex;flex-direction:column;align-items:center;gap:12px;position:relative;z-index:1}
.process-line li span{
  width:38px;height:38px;display:grid;place-items:center;border-radius:50%;
  background:var(--paper);border:1px solid var(--red);color:var(--red);
  font-family:var(--serif);font-size:12px;
  transition:background .3s,color .3s,transform .3s;
}
.process-line li:hover span{background:var(--red);color:#fff;transform:translateY(-3px)}
.process-line li b{font-family:var(--serif);font-size:14px;letter-spacing:.1em;font-weight:600}

/* ============ 11 常见问题 ============ */
.faq{background:var(--paper)}
.faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:0 48px;border-bottom:1px solid var(--line)}
.faq-item{border-top:1px solid var(--line)}
.faq-item summary{
  display:flex;align-items:center;justify-content:space-between;gap:24px;
  padding:22px 2px;cursor:pointer;list-style:none;
  font-family:var(--serif);font-size:18px;letter-spacing:.04em;
  transition:color .3s,padding-left .35s var(--ease);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{color:var(--red);padding-left:8px}
.faq-mark{color:var(--red);font-size:18px;flex-shrink:0;transition:transform .35s var(--ease)}
.faq-item[open] .faq-mark{transform:rotate(45deg)}
.faq-item > p{
  padding:0 2px 24px;font-size:13.5px;line-height:1.95;color:var(--ink-soft);
  animation:fadeDown .3s var(--ease);
}
.faq-more{margin-top:34px;text-align:center;font-size:12.5px;color:var(--ink-mute)}
.faq-more a{color:var(--red);border-bottom:1px solid rgba(208,24,24,.35);margin:0 3px}

/* ============ 12 联系 ============ */
.contact{background:var(--paper-2);border-top:1px solid var(--line)}
.contact-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:70px;align-items:start}
.contact h2{margin-bottom:24px}
.contact-lead{max-width:520px;font-size:15px;line-height:1.95;color:var(--ink-soft)}
.contact-lines{margin-top:38px;border-top:1px solid var(--line)}
.contact-line{
  display:grid;grid-template-columns:96px 1fr auto;align-items:center;gap:18px;
  padding:20px 0;border-bottom:1px solid var(--line);
  transition:padding-left .35s var(--ease),color .3s;
}
a.contact-line:hover{padding-left:8px;color:var(--red)}
.cl-label{font-size:10.5px;letter-spacing:.16em;color:var(--ink-mute)}
.cl-value{font-family:var(--serif);font-size:17px;letter-spacing:.04em}
.cl-value em{font-style:normal;font-size:11px;letter-spacing:.06em;color:var(--red);margin-left:8px}
.cl-icon{color:var(--red);font-size:16px}
.qr-card{
  display:flex;gap:24px;align-items:center;margin-top:34px;
  padding:22px;background:var(--paper-3);border:1px solid var(--line);
}
.qr-card img{width:118px;height:118px;object-fit:cover;flex-shrink:0;border:1px solid var(--line)}
.qr-title{font-family:var(--serif);font-size:16px;letter-spacing:.08em;margin-bottom:6px}
.qr-copy p{font-size:11.5px;line-height:1.8;color:var(--ink-soft)}
.copy-btn{
  margin-top:12px;background:transparent;border:1px solid var(--line-strong);
  padding:7px 14px;font-size:11px;letter-spacing:.08em;color:var(--ink-soft);
  transition:border-color .3s,color .3s;
}
.copy-btn:hover{border-color:var(--red);color:var(--red)}

.contact-form-wrap{position:relative}
.contact-form{
  background:var(--paper-3);border:1px solid var(--line);padding:40px 38px;
  box-shadow:var(--shadow);
}
.form-title{font-family:var(--serif);font-size:25px;letter-spacing:.08em}
.form-sub{font-size:11.5px;letter-spacing:.04em;color:var(--ink-mute);margin:6px 0 28px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.contact-form label{display:block;margin-bottom:18px}
.contact-form label > span{display:block;font-size:11px;letter-spacing:.1em;color:var(--ink-soft);margin-bottom:8px}
.contact-form input,.contact-form select,.contact-form textarea{
  width:100%;padding:12px 2px;border:none;border-bottom:1px solid var(--line-strong);
  background:transparent;color:var(--ink);font-family:inherit;font-size:14px;
  outline:none;transition:border-color .3s;border-radius:0;
}
.contact-form select{cursor:pointer;appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--red) 50%),linear-gradient(135deg,var(--red) 50%,transparent 50%);background-position:calc(100% - 8px) 50%,calc(100% - 3px) 50%;background-size:5px 5px,5px 5px;background-repeat:no-repeat}
.contact-form textarea{resize:vertical;min-height:70px;line-height:1.7}
.contact-form input:focus,.contact-form select:focus,.contact-form textarea:focus{border-bottom-color:var(--red)}
.contact-form input::placeholder,.contact-form textarea::placeholder{color:#B3A791;font-size:13px}
.form-privacy{font-size:10px;color:var(--ink-mute);text-align:center;margin-top:14px;letter-spacing:.02em}
.contact-form .btn{margin-top:6px}
.form-success{
  background:var(--paper-3);border:1px solid var(--line);padding:60px 40px;text-align:center;
  box-shadow:var(--shadow);
}
.success-seal{
  display:grid;place-items:center;width:64px;height:64px;margin:0 auto 22px;
  background:var(--red);color:#fff;font-family:var(--serif);font-size:30px;transform:rotate(-3deg);
  box-shadow:5px 5px 0 rgba(208,24,24,.15);
}
.form-success h3{font-family:var(--serif);font-size:26px;letter-spacing:.1em}
.form-success p{font-size:13px;line-height:1.9;color:var(--ink-soft);margin:12px 0 22px}
.form-success a{color:var(--red);border-bottom:1px solid var(--red)}
.success-qr{width:132px;height:132px;object-fit:cover;margin:0 auto 22px;border:1px solid var(--line);padding:5px;background:#fff}
.success-qr-note{font-size:10.5px!important;color:var(--ink-mute)!important;margin:-8px 0 22px!important;letter-spacing:.06em}

/* ============ 页脚 ============ */
.footer{background:var(--ink);color:rgba(246,241,231,.66);padding:70px 0 28px}
.footer-top{display:flex;justify-content:space-between;gap:60px;padding-bottom:46px;border-bottom:1px solid rgba(246,241,231,.13)}
.footer-logo{display:flex;align-items:center;gap:14px}
.footer-logo img{width:48px;height:48px;object-fit:contain}
.footer-logo b{display:block;font-family:var(--serif);font-size:26px;letter-spacing:.18em;color:#fff}
.footer-logo span{font-size:8.5px;letter-spacing:.34em;color:var(--gold)}
.footer-slogan{margin-top:22px;font-family:var(--serif);font-size:15px;line-height:1.9;letter-spacing:.12em;color:rgba(246,241,231,.55)}
.footer-nav{display:flex;gap:72px}
.footer-nav p{font-size:10px;letter-spacing:.2em;color:var(--gold);margin-bottom:14px}
.footer-nav a{display:block;font-size:12px;letter-spacing:.05em;color:rgba(246,241,231,.6);margin-bottom:9px;transition:color .3s}
.footer-nav a:hover{color:#fff}
.footer-bottom{display:flex;justify-content:space-between;gap:20px;padding-top:24px;font-size:10.5px;letter-spacing:.04em;color:rgba(246,241,231,.38)}
.footer-legal{display:flex;gap:22px;flex-wrap:wrap}

/* ============ 智能客服 ============ */
.assistant{position:fixed;right:26px;bottom:26px;z-index:9997}
.assistant-toggle{
  position:relative;width:60px;height:60px;border-radius:50%;border:1px solid var(--gold);
  background:var(--paper-3);display:grid;place-items:center;
  box-shadow:0 18px 40px -16px rgba(46,37,25,.55);
  transition:transform .35s var(--ease),box-shadow .35s;
}
.assistant-toggle:hover{transform:translateY(-3px) scale(1.03);box-shadow:0 24px 48px -16px rgba(46,37,25,.6)}
.assistant-toggle img{width:38px}
.assistant-pulse{
  position:absolute;top:2px;right:2px;width:11px;height:11px;border-radius:50%;
  background:var(--red);border:2px solid var(--paper-3);
  animation:pulse 2s infinite;
}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(208,24,24,.5)}70%{box-shadow:0 0 0 9px rgba(208,24,24,0)}100%{box-shadow:0 0 0 0 rgba(208,24,24,0)}}
.assistant-panel{
  position:absolute;right:0;bottom:76px;width:368px;max-width:calc(100vw - 40px);
  height:520px;max-height:calc(100vh - 140px);
  background:var(--paper-3);border:1px solid var(--line-strong);
  box-shadow:0 40px 90px -30px rgba(46,37,25,.6);
  display:flex;flex-direction:column;overflow:hidden;
  opacity:0;transform:translateY(16px) scale(.97);pointer-events:none;
  transition:opacity .35s var(--ease),transform .35s var(--ease);
  transform-origin:bottom right;
}
.assistant-panel.open{opacity:1;transform:none;pointer-events:auto}
.assistant-head{
  display:flex;align-items:center;gap:12px;padding:16px 18px;
  background:var(--ink);color:var(--paper);flex-shrink:0;
}
.assistant-avatar{width:40px;height:40px;border-radius:50%;background:var(--paper-3);display:grid;place-items:center;flex-shrink:0}
.assistant-avatar img{width:28px}
.assistant-head b{display:block;font-family:var(--serif);font-size:15px;letter-spacing:.1em;color:#fff}
.assistant-head span{font-size:9px;letter-spacing:.12em;color:var(--gold)}
.assistant-close{margin-left:auto;background:transparent;border:none;color:rgba(246,241,231,.6);font-size:24px;line-height:1;padding:0 4px}
.assistant-close:hover{color:#fff}
.assistant-body{flex:1;overflow-y:auto;padding:18px;display:flex;flex-direction:column;gap:12px;background:var(--paper)}
.msg{max-width:88%;padding:12px 15px;font-size:13px;line-height:1.75;border-radius:2px;animation:fadeUp .35s var(--ease)}
.msg.bot{align-self:flex-start;background:#fff;border:1px solid var(--line);border-bottom-left-radius:0}
.msg.user{align-self:flex-end;background:var(--red);color:#fff;border-bottom-right-radius:0}
.msg p + p{margin-top:8px}
.msg a{color:var(--red);border-bottom:1px solid rgba(208,24,24,.4)}
.msg.user a{color:#fff}
.quick-chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:2px}
.quick-chips button{
  background:transparent;border:1px solid rgba(208,24,24,.35);color:var(--red);
  font-size:11.5px;padding:6px 11px;letter-spacing:.02em;
  transition:background .3s,color .3s;
}
.quick-chips button:hover{background:var(--red);color:#fff}
.assistant-input{display:flex;gap:0;border-top:1px solid var(--line);flex-shrink:0;background:#fff}
.assistant-input input{
  flex:1;border:none;outline:none;padding:15px 16px;font-size:13px;font-family:inherit;
  background:transparent;color:var(--ink);
}
.assistant-input button{
  width:54px;border:none;background:var(--red);color:#fff;font-size:18px;
  transition:background .3s;
}
.assistant-input button:hover{background:var(--red-deep)}
@keyframes fadeUp{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}

/* Toast */
.toast{
  position:fixed;left:50%;bottom:34px;transform:translate(-50%,20px);
  background:var(--ink);color:var(--paper);padding:11px 22px;font-size:12px;letter-spacing:.06em;
  opacity:0;pointer-events:none;transition:opacity .3s,transform .3s;z-index:10001;
  border:1px solid rgba(201,169,97,.4);
}
.toast.show{opacity:1;transform:translate(-50%,0)}

/* 滚动显现 */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .9s var(--ease),transform .9s var(--ease);transition-delay:var(--d,0s)}
.reveal.in{opacity:1;transform:none}

/* ============ 响应式 ============ */
@media (max-width:1120px){
  .nav-links{gap:20px}
  .nav-phone{display:none}
  .hero-inner{gap:30px}
  .hero h1{font-size:clamp(44px,6vw,72px)}
  .why-grid{gap:40px}
  .hammer-layout{gap:46px}
  .contact-grid{gap:46px}
  .founder-inner{gap:50px}
}

@media (max-width:980px){
  .nav-links{display:none}
  .nav-toggle{display:block}
  .nav-inner{height:70px}
  .nav-actions .btn-red{display:none}
  .hero-inner{grid-template-columns:1fr;min-height:0;padding-top:10px}
  .hero-visual{order:0;margin-top:34px;margin-bottom:0}
  .seal-stage{width:min(66vw,380px)}
  .hero-watermark{font-size:80vw;right:-20vw;top:10%}
  .hero-meta{gap:28px;flex-wrap:wrap}
  .why-grid{grid-template-columns:1fr}
  .why-24{padding:40px}
  .method-split{grid-template-columns:1fr}
  .twin{padding:46px 34px}
  .twin-grid{grid-template-columns:1fr;gap:18px}
  .twin-plus{display:none}
  .weapon-grid{grid-template-columns:1fr;gap:16px}
  .hammer-layout{grid-template-columns:1fr}
  .hammer-intro{position:static}
  .warehouse-features{grid-template-columns:1fr;gap:14px}
  .warehouse-main{grid-template-columns:1fr;gap:34px}
  .cloud-ways{grid-template-columns:1fr}
  .engine-grid{grid-template-columns:1fr 1fr}
  .about-grid{grid-template-columns:1fr;gap:40px}
  .industry-grid{grid-template-columns:repeat(3,1fr)}
  .founder-inner{grid-template-columns:1fr;gap:44px}
  .founder-portrait{order:-1}
  .promise-grid{grid-template-columns:1fr 1fr;gap:28px 22px}
  .faq-grid{grid-template-columns:1fr;gap:0}
  .contact-grid{grid-template-columns:1fr}
  .footer-top{flex-direction:column;gap:40px}
  .footer-nav{gap:50px;flex-wrap:wrap}
}

@media (max-width:768px){
  .container{padding:0 22px}
  .section{padding:80px 0}
  .topbar-right{display:none}
  .topbar-inner{height:32px;justify-content:center;font-size:10.5px}
  .topbar-inner p{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;letter-spacing:.02em}
  .hero{padding:50px 0 30px}
  .hero-visual{display:none}
  .hero h1{font-size:clamp(38px,10.5vw,58px);margin:20px 0}
  .hero-lead{font-size:15px}
  .hero-actions{gap:10px}
  .btn-lg{padding:15px 22px;font-size:14px}
  .hero-meta{margin-top:34px;gap:20px;font-size:11px}
  .hero-meta b{font-size:18px}
  .hero-visual-note{font-size:13px}
  .ticker-track{font-size:15px;gap:26px}
  .section h2{font-size:clamp(30px,7.6vw,42px)}
  .section-lead{font-size:14.5px}
  .why-24{padding:34px 26px}
  .why-24-num{font-size:100px}
  .why-foot{flex-direction:column;align-items:flex-start;gap:14px}
  .method-card{padding:32px 26px}
  .twin{padding:36px 22px}
  .twin-card{padding:26px 22px}
  .twin-card h4{font-size:30px}
  .weapon-card{padding:30px 24px}
  .weapon-card h3{font-size:32px}
  .logo-meaning{gap:16px}
  .logo-meaning-mark{width:74px;height:74px}
  .logo-meaning-title{font-size:17px}
  .wuxing-row{flex-wrap:wrap}
  .wx{flex:1 1 28%}
  .module-list summary{grid-template-columns:38px 1fr 16px;gap:10px;padding:18px 2px}
  .m-sub{display:none}
  .module-list details p{padding-left:48px;font-size:12.5px}
  .budget-card{padding:30px 24px}
  .budget-compare{gap:14px}
  .budget-col b{font-size:36px}
  .cloud-owner{padding:28px 24px;gap:26px}
  .engine-grid{grid-template-columns:1fr}
  .about-stats{grid-template-columns:1fr 1fr}
  .group{padding:34px 26px}
  .group-grid{grid-template-columns:1fr}
  .industry-grid{grid-template-columns:1fr 1fr}
  .industry{min-height:130px;padding:22px 18px}
  .industry b{font-size:17px}
  .portrait-seal{width:220px;height:220px}
  .portrait-char{font-size:104px}
  .promise-grid{grid-template-columns:1fr}
  .process{padding:30px 24px}
  .process-line{grid-template-columns:1fr;gap:18px}
  .process-line::before{left:18px;right:auto;top:0;bottom:0;width:1px;height:auto}
  .process-line li{flex-direction:row;gap:16px}
  .contact-form{padding:30px 24px}
  .form-row{grid-template-columns:1fr}
  .qr-card{flex-direction:column;align-items:flex-start}
  .footer-bottom{flex-direction:column;gap:10px}
  .assistant{right:16px;bottom:16px}
  .assistant-panel{height:calc(100vh - 130px);bottom:70px}
}

@media (max-width:480px){
  .hero-visual{display:none}
  .hero-meta{justify-content:space-between;gap:10px}
  .hero-meta span{flex-direction:column;align-items:flex-start;gap:2px}
  .qr-card img{width:100%;max-width:220px;height:auto}
  .budget-compare{flex-direction:column;align-items:stretch;gap:16px}
  .budget-arrow{transform:rotate(90deg);align-self:center}
  .group-grid{grid-template-columns:1fr}
  .industry-grid{grid-template-columns:1fr}
}

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