/* ============================================================
 * 酆潮文化 · 官网  —  Liquid Glass（深色液态玻璃）设计系统
 * 关键观感：强背景模糊+饱和、顶部高光描边、柔和折射、玻璃药丸、
 * 大圆角、克制留白、轻量动效。
 * ============================================================ */
:root{
  --bg0:#080711;
  --bg1:#0E0B1E;
  --bg2:#0A1020;
  --ink:#F6F4FF;
  --mut:#B8B3CC;
  --mut2:#7E7995;
  --lilac:#C2B3F0;
  --blue:#9CC2F2;
  --orange:#F6C49A;
  --cyan:#92E6DC;
  --pink:#F2B6D0;

  --maxw:1180px;

  /* 玻璃配方 */
  --glass-bg:linear-gradient(155deg, rgba(255,255,255,.13), rgba(255,255,255,.035));
  --glass-bd:1px solid rgba(255,255,255,.14);
  --glass-blur:saturate(180%) blur(30px);
  --glass-sh:
    inset 0 1px 0 rgba(255,255,255,.55),
    inset 0 0 0 1px rgba(255,255,255,.04),
    inset 0 -14px 30px rgba(0,0,0,.18),
    0 22px 55px rgba(0,0,0,.45);
  --radius:30px;
}
*{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;}
body{
  font-family:-apple-system,BlinkMacSystemFont,"SF Pro Display","PingFang SC","Microsoft YaHei",system-ui,"Segoe UI",sans-serif;
  color:var(--ink);
  line-height:1.7;
  background:var(--bg0);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
a{color:inherit;text-decoration:none;}
img,svg{display:block;max-width:100%;}
::selection{background:rgba(194,179,240,.35);}

/* ===== 背景：液态彩色光斑 + 细网格 ===== */
.bg-stage{position:fixed;inset:0;z-index:-3;background:
  linear-gradient(180deg, var(--bg1) 0%, var(--bg0) 48%, var(--bg2) 100%);}
.bg-stage::before,.bg-stage::after{content:"";position:absolute;border-radius:50%;filter:blur(80px);opacity:.7;}
.bg-stage::before{width:60vw;height:60vw;top:-18vw;right:-12vw;
  background:radial-gradient(circle at 40% 40%, rgba(160,130,240,.55), transparent 62%);
  animation:drift 22s ease-in-out infinite;}
.bg-stage::after{width:52vw;height:52vw;bottom:-16vw;left:-10vw;
  background:radial-gradient(circle at 50% 50%, rgba(90,150,235,.45), transparent 62%);
  animation:drift 28s ease-in-out infinite reverse;}
.bg-blob{position:fixed;z-index:-2;width:40vw;height:40vw;border-radius:50%;filter:blur(90px);
  background:radial-gradient(circle at 50% 50%, rgba(245,180,150,.30), transparent 65%);
  top:40%;left:38%;opacity:.6;animation:drift 34s ease-in-out infinite;}
.bg-grid{position:fixed;inset:0;z-index:-1;pointer-events:none;
  background-image:
    linear-gradient(to right, rgba(255,255,255,.04) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255,255,255,.04) 1px, transparent 1px);
  background-size:58px 58px;
  mask-image:radial-gradient(125% 90% at 50% 0%, #000 30%, transparent 86%);
  -webkit-mask-image:radial-gradient(125% 90% at 50% 0%, #000 30%, transparent 86%);}

.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 24px;}

/* ===== 玻璃通用件 ===== */
.glass{
  position:relative;
  background:var(--glass-bg);
  border:var(--glass-bd);
  border-radius:var(--radius);
  -webkit-backdrop-filter:var(--glass-blur);
  backdrop-filter:var(--glass-blur);
  box-shadow:var(--glass-sh);
}

/* ===== 顶部导航：浮动玻璃药丸 ===== */
.nav{position:sticky;top:0;z-index:60;padding:16px 0;background:transparent;}
.nav-inner{display:flex;align-items:center;justify-content:space-between;
  height:62px;padding:0 14px 0 22px;border-radius:24px;
  background:linear-gradient(155deg, rgba(255,255,255,.12), rgba(255,255,255,.03));
  border:1px solid rgba(255,255,255,.13);
  -webkit-backdrop-filter:saturate(180%) blur(26px);backdrop-filter:saturate(180%) blur(26px);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.45), 0 16px 40px rgba(0,0,0,.42);}
.brand{display:flex;align-items:center;gap:11px;font-weight:700;letter-spacing:.4px;font-size:17px;}
.brand .dot{width:28px;height:28px;border-radius:10px;
  background:conic-gradient(from 150deg, var(--lilac),var(--blue),var(--cyan),var(--orange),var(--pink),var(--lilac));
  box-shadow:inset 0 1px 1px rgba(255,255,255,.6),0 0 20px rgba(194,179,240,.6);}
.brand small{color:var(--mut);font-weight:500;font-size:11.5px;letter-spacing:.6px;}
.nav-links{display:flex;align-items:center;gap:26px;}
.nav-links a{color:var(--mut);font-size:14.5px;font-weight:500;transition:color .2s;}
.nav-links a:hover{color:var(--ink);}
.btn-ghost{padding:9px 18px;border-radius:30px;color:var(--ink)!important;font-size:14px;
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.4);}
.btn-ghost:hover{background:rgba(255,255,255,.14);}
.nav-toggle{display:none;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);
  border-radius:12px;width:44px;height:40px;color:var(--ink);cursor:pointer;font-size:18px;}

/* ===== 区块 / 标题 ===== */
section{position:relative;padding:104px 0;}
.eyebrow{display:inline-block;font-size:12px;letter-spacing:2.5px;text-transform:uppercase;
  color:var(--lilac);padding:7px 16px;border-radius:30px;margin-bottom:20px;
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.35);}
.h2{font-size:clamp(28px,4.4vw,46px);font-weight:700;letter-spacing:-1px;line-height:1.12;}
.lead{color:var(--mut);font-size:clamp(15px,1.7vw,17.5px);max-width:700px;margin-top:16px;line-height:1.75;}
.en{color:var(--mut2);font-size:clamp(12.5px,1.3vw,14px);line-height:1.6;margin-top:8px;
  letter-spacing:.2px;font-weight:400;max-width:720px;}
.section-head{text-align:center;margin-bottom:60px;display:flex;flex-direction:column;align-items:center;}
.section-head .en{margin-left:auto;margin-right:auto;}

/* ===== 首屏 ===== */
.hero{padding:70px 0 64px;}
.hero-grid{display:grid;grid-template-columns:1.04fr .96fr;gap:50px;align-items:center;}
.hero h1{font-size:clamp(58px,9.5vw,112px);font-weight:700;line-height:.96;letter-spacing:-4px;
  background:linear-gradient(120deg,#fff 0%, #ECE6FF 36%, var(--lilac) 66%, var(--blue) 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
  filter:drop-shadow(0 8px 30px rgba(160,140,240,.25));}
.hero .cn-title{font-size:clamp(20px,2.7vw,28px);font-weight:600;margin-top:22px;letter-spacing:.3px;}
.hero .cn-sub{color:var(--mut);margin-top:16px;max-width:520px;font-size:clamp(15px,1.7vw,17px);}
.hero .cn-sub.en{color:var(--mut2);margin-top:8px;}
.hero-cta{display:flex;gap:14px;margin-top:36px;flex-wrap:wrap;}
.btn{display:inline-flex;align-items:center;gap:8px;padding:15px 28px;border-radius:34px;
  font-weight:600;font-size:15px;cursor:pointer;border:1px solid transparent;
  transition:transform .18s ease,box-shadow .2s,background .2s;}
.btn-primary{color:#191225;
  background:linear-gradient(120deg,#D2C6F5,#A6C8F4);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.7),inset 0 -6px 14px rgba(120,110,180,.25),0 16px 38px rgba(150,180,235,.4);}
.btn-primary:hover{transform:translateY(-2px);box-shadow:inset 0 1px 0 rgba(255,255,255,.7),0 20px 46px rgba(150,180,235,.5);}
.btn-line{color:var(--ink);background:rgba(255,255,255,.07);border-color:rgba(255,255,255,.16);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.4);}
.btn-line:hover{background:rgba(255,255,255,.13);transform:translateY(-2px);}

/* 首屏 3D 视觉 */
.hero-visual{position:relative;height:460px;display:flex;align-items:center;justify-content:center;}
.orb{position:relative;width:310px;height:310px;border-radius:50%;
  background:
    radial-gradient(38% 34% at 35% 28%, #fff 0%, rgba(255,255,255,.25) 16%, transparent 42%),
    radial-gradient(circle at 50% 45%, #CFC2F4 0%, #8A7CC8 42%, #4A3F7E 72%, #241D45 100%);
  box-shadow:0 50px 110px rgba(120,100,200,.55), inset 0 -34px 64px rgba(0,0,0,.45),
    inset 0 20px 44px rgba(255,255,255,.22);
  animation:float 7s ease-in-out infinite;}
.orb::after{content:"";position:absolute;inset:-54px;border-radius:50%;z-index:-1;
  background:radial-gradient(circle, rgba(156,194,242,.32) 0%, transparent 64%);filter:blur(10px);}
.ring{position:absolute;border:1px solid rgba(255,255,255,.16);border-radius:50%;inset:-44px;
  animation:spin 26s linear infinite;}
.ring.r2{inset:-80px;border-style:dashed;border-color:rgba(194,179,240,.24);
  animation-duration:42s;animation-direction:reverse;}
.bubble{position:absolute;display:flex;align-items:center;gap:8px;padding:11px 16px;border-radius:18px;
  font-size:13px;font-weight:600;white-space:nowrap;color:var(--ink);
  background:linear-gradient(155deg, rgba(255,255,255,.16), rgba(255,255,255,.05));
  border:1px solid rgba(255,255,255,.18);
  -webkit-backdrop-filter:saturate(180%) blur(16px);backdrop-filter:saturate(180%) blur(16px);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.5),0 14px 34px rgba(0,0,0,.4);}
.bubble i{width:7px;height:7px;border-radius:50%;display:inline-block;}
.bubble.b1{top:26px;left:-10px;animation:float 6s ease-in-out infinite;}
.bubble.b2{bottom:64px;right:-14px;animation:float 6.5s ease-in-out .8s infinite;}
.bubble.b3{bottom:2px;left:38px;animation:float 7.6s ease-in-out .4s infinite;}
.skyline{position:absolute;left:0;right:0;bottom:0;width:100%;height:100px;opacity:.5;color:var(--blue);}

/* 智能陪伴 IP 形象（可点击进入聊天） */
.cat-stage{position:relative;display:flex;align-items:center;justify-content:center;
  width:360px;height:360px;text-decoration:none;cursor:pointer;transition:transform .28s cubic-bezier(.2,.7,.2,1);}
.cat-stage:hover{transform:translateY(-5px) scale(1.025);}
.cat-halo{position:absolute;width:330px;height:330px;border-radius:50%;z-index:0;
  background:radial-gradient(circle at 50% 46%, rgba(210,198,245,.45) 0%, rgba(156,194,242,.30) 42%, transparent 70%);
  filter:blur(14px);animation:halo 5.5s ease-in-out infinite;}
/* 玻璃底座 */
.cat-podium{position:absolute;bottom:30px;left:50%;transform:translateX(-50%);z-index:0;
  width:236px;height:50px;border-radius:50%;
  background:linear-gradient(180deg, rgba(255,255,255,.18), rgba(255,255,255,.04));
  border:1px solid rgba(255,255,255,.18);
  -webkit-backdrop-filter:saturate(180%) blur(14px);backdrop-filter:saturate(180%) blur(14px);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.55), inset 0 -6px 14px rgba(0,0,0,.18), 0 18px 34px rgba(0,0,0,.4);}
.cat-podium::after{content:"";position:absolute;inset:auto 50% -22px;transform:translateX(50%);
  width:170px;height:24px;border-radius:50%;background:radial-gradient(closest-side, rgba(0,0,0,.45), transparent 70%);filter:blur(4px);}
.cat-ip{position:relative;z-index:1;width:300px;height:auto;
  filter:drop-shadow(0 28px 44px rgba(60,40,90,.45)) drop-shadow(0 6px 14px rgba(0,0,0,.3));
  animation:float 7s ease-in-out infinite;}
.cat-hint{position:absolute;bottom:-2px;left:50%;transform:translateX(-50%) translateY(8px);z-index:3;
  padding:8px 18px;border-radius:30px;font-size:13px;font-weight:700;white-space:nowrap;color:#191225;
  background:linear-gradient(120deg,#D2C6F5,#A6C8F4);box-shadow:0 12px 26px rgba(150,180,235,.55);
  opacity:0;pointer-events:none;transition:opacity .25s,transform .25s;}
.cat-stage:hover .cat-hint{opacity:1;transform:translateX(-50%) translateY(0);}

/* 可点击卡片 */
.card-link{display:block;text-decoration:none;}
.card-cta{display:inline-block;margin-top:16px;color:var(--lilac);font-weight:600;font-size:14px;transition:transform .2s;}
.card-link:hover .card-cta{transform:translateX(5px);}

/* 文件上传 */
.field input[type=file]{padding:11px 14px;font-size:13.5px;color:var(--mut);cursor:pointer;}
.field input[type=file]::file-selector-button{margin-right:12px;padding:8px 14px;border-radius:10px;
  border:1px solid rgba(255,255,255,.18);background:rgba(255,255,255,.09);color:var(--ink);font-size:13px;cursor:pointer;}
.field input[type=file]::-webkit-file-upload-button{margin-right:12px;padding:8px 14px;border-radius:10px;
  border:1px solid rgba(255,255,255,.18);background:rgba(255,255,255,.09);color:var(--ink);font-size:13px;cursor:pointer;}
.field .hint{color:var(--mut2);font-size:12px;margin-top:6px;}

@keyframes halo{0%,100%{opacity:.75;transform:scale(1)}50%{opacity:1;transform:scale(1.06)}}

/* ===== 卡片网格 ===== */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.card{padding:34px 30px;transition:transform .22s ease,box-shadow .22s;}
.card:hover{transform:translateY(-6px);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.6),0 30px 70px rgba(0,0,0,.5);}
.card .ic{width:56px;height:56px;border-radius:18px;display:flex;align-items:center;justify-content:center;
  margin-bottom:20px;font-size:26px;
  background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.14);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.45);}
.card h3{font-size:20px;font-weight:650;margin-bottom:11px;letter-spacing:-.2px;}
.card p{color:var(--mut);font-size:14.5px;}

/* ===== 关于我们 ===== */
.about{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center;}
.about .panel{padding:44px;}
.about .panel p{color:var(--ink);font-size:clamp(15px,1.7vw,17px);}
.about .panel .en{color:var(--mut);font-size:14px;margin-top:14px;}

/* ===== 标签药丸 ===== */
.tags{display:flex;flex-wrap:wrap;gap:14px;margin-top:6px;}
.tag{display:flex;align-items:center;gap:10px;padding:14px 22px;border-radius:18px;
  font-weight:600;font-size:15px;color:var(--ink);
  background:linear-gradient(155deg, rgba(255,255,255,.12), rgba(255,255,255,.035));
  border:1px solid rgba(255,255,255,.13);
  -webkit-backdrop-filter:saturate(180%) blur(20px);backdrop-filter:saturate(180%) blur(20px);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.4);}
.tag .dotc{width:9px;height:9px;border-radius:50%;flex-shrink:0;}
.note{margin-top:30px;padding:20px 24px;border-radius:20px;color:var(--mut);font-size:14px;
  background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.1);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.3);}

/* ===== 服务边界 ===== */
.boundary{padding:48px;}
.boundary::before{content:"";position:absolute;left:0;top:24px;bottom:24px;width:3px;border-radius:3px;
  background:linear-gradient(var(--orange),var(--pink));}
.boundary p{color:var(--mut);font-size:clamp(15px,1.7vw,17px);}
.boundary .en{color:var(--mut2);margin-top:12px;}

/* ===== 联系我们 ===== */
.contact-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
.contact-item{padding:28px 30px;}
.contact-item .k{color:var(--mut2);font-size:12px;letter-spacing:1.5px;text-transform:uppercase;margin-bottom:8px;}
.contact-item .v{font-size:17px;font-weight:600;letter-spacing:.2px;}
.contact-item .v.ph{color:var(--mut);font-weight:500;font-size:16px;}
.consult{display:flex;flex-wrap:wrap;gap:10px;margin-top:6px;}
.consult span{padding:9px 18px;border-radius:30px;font-size:13.5px;color:var(--mut);
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.3);}

/* ===== 页脚 ===== */
footer{padding:64px 0 44px;margin-top:40px;}
.foot-grid{display:flex;justify-content:space-between;gap:30px;flex-wrap:wrap;align-items:flex-start;}
.foot-co{font-weight:700;font-size:18px;letter-spacing:1px;}
.foot-links{display:flex;gap:24px;flex-wrap:wrap;}
.foot-links a{color:var(--mut);font-size:14px;}
.foot-links a:hover{color:var(--ink);}
.foot-meta{margin-top:26px;color:var(--mut2);font-size:13px;line-height:2.1;
  border-top:1px solid rgba(255,255,255,.08);padding-top:22px;}
.foot-meta .beian{color:var(--mut);}

/* ===== 法务页 ===== */
.legal{padding-top:56px;}
.legal .container{max-width:880px;}
.legal-card{padding:46px 50px;margin-bottom:40px;}
.legal h1{font-size:clamp(30px,5vw,44px);font-weight:700;letter-spacing:-1px;margin-bottom:8px;}
.legal .updated{color:var(--mut2);font-size:13.5px;margin-bottom:10px;}
.legal .disclaimer{margin:16px 0 30px;padding:16px 20px;border-radius:16px;color:var(--orange);font-size:13.5px;
  background:rgba(246,196,154,.06);border:1px solid rgba(246,196,154,.22);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.25);}
.legal h2{font-size:20px;font-weight:650;margin:32px 0 12px;}
.legal p{color:var(--mut);margin-bottom:12px;font-size:15px;}
.legal ul{color:var(--mut);margin:0 0 14px 20px;font-size:15px;}
.legal li{margin-bottom:7px;}
.legal a.back{display:inline-block;margin-top:8px;color:var(--lilac);font-weight:600;}

/* ===== 会员 / 产品 ===== */
.feat{list-style:none;margin-top:18px;display:flex;flex-direction:column;gap:9px;}
.feat li{color:var(--mut);font-size:13.5px;padding-left:22px;position:relative;}
.feat li::before{content:"✓";position:absolute;left:0;color:var(--lilac);font-weight:700;}
.card.feat-hi{background:linear-gradient(165deg, rgba(194,179,240,.18), rgba(255,255,255,.04));
  border-color:rgba(194,179,240,.35);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.6),0 30px 70px rgba(120,100,200,.32);}
.cta-row{display:flex;align-items:center;gap:20px;flex-wrap:wrap;margin-top:40px;justify-content:center;}
.note-inline{color:var(--mut2);font-size:13px;max-width:440px;}
.product{padding:28px;display:flex;flex-direction:column;transition:transform .22s ease,box-shadow .22s;}
.product:hover{transform:translateY(-6px);box-shadow:inset 0 1px 0 rgba(255,255,255,.6),0 30px 70px rgba(0,0,0,.5);}
.pimg{height:156px;border-radius:22px;display:flex;align-items:center;justify-content:center;font-size:58px;
  margin-bottom:20px;border:1px solid rgba(255,255,255,.12);box-shadow:inset 0 1px 0 rgba(255,255,255,.4);}
.pimg.p1{background:radial-gradient(circle at 50% 36%,rgba(246,196,154,.32),transparent 66%),rgba(255,255,255,.05);}
.pimg.p2{background:radial-gradient(circle at 50% 36%,rgba(156,194,242,.32),transparent 66%),rgba(255,255,255,.05);}
.pimg.p3{background:radial-gradient(circle at 50% 36%,rgba(194,179,240,.32),transparent 66%),rgba(255,255,255,.05);}
.product h3{font-size:19px;font-weight:650;margin-bottom:9px;}
.product p{color:var(--mut);font-size:14px;flex:1;}
.price{font-size:19px;font-weight:700;margin:16px 0 18px;}
.price small{font-size:12px;font-weight:500;color:var(--mut2);margin-left:6px;}
.btn.full{width:100%;justify-content:center;}
.prod-actions{display:flex;flex-direction:column;gap:10px;}

/* ===== 流程 / 表单 ===== */
.flow-wrap{padding:56px 0 96px;}
.flow-wrap .container{max-width:780px;}
.flow-wrap h1{font-size:clamp(28px,5vw,42px);font-weight:700;letter-spacing:-1px;}
.flow-wrap .sub{color:var(--mut);margin:12px 0 32px;font-size:15px;}
.stepper{display:flex;align-items:center;gap:8px;margin-bottom:32px;}
.step-dot{display:flex;align-items:center;gap:10px;color:var(--mut2);font-size:13.5px;font-weight:600;white-space:nowrap;}
.step-dot .num{width:30px;height:30px;border-radius:50%;display:flex;align-items:center;justify-content:center;
  font-size:13px;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.13);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.35);transition:.25s;}
.step-dot.active{color:var(--ink);}
.step-dot.active .num{background:linear-gradient(120deg,var(--lilac),var(--blue));color:#191225;border-color:transparent;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.7),0 8px 20px rgba(150,180,235,.5);}
.step-dot.done .num{background:rgba(194,179,240,.28);color:#fff;}
.step-line{flex:1;height:1px;background:rgba(255,255,255,.12);min-width:16px;}
.panel-box{padding:36px;}
.step-panel{display:none;}
.step-panel.active{display:block;animation:fade .4s ease;}
.step-panel h2{font-size:21px;font-weight:650;margin-bottom:20px;}
.field{margin-bottom:18px;}
.field label{display:block;font-size:13.5px;color:var(--mut);margin-bottom:8px;font-weight:600;}
.field label .req{color:var(--orange);margin-left:3px;}
.field input,.field textarea,.field select{width:100%;padding:14px 16px;border-radius:14px;
  background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.13);color:var(--ink);font-size:15px;
  font-family:inherit;outline:none;box-shadow:inset 0 1px 0 rgba(255,255,255,.18);
  transition:border-color .2s,background .2s;}
.field input:focus,.field textarea:focus{border-color:var(--lilac);background:rgba(255,255,255,.08);}
.field input::placeholder,.field textarea::placeholder{color:var(--mut2);}
.field textarea{min-height:94px;resize:vertical;}
.pick-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;}
.pick{cursor:pointer;}
.pick input{position:absolute;opacity:0;pointer-events:none;}
.pick .pick-card{padding:20px 18px;border-radius:18px;height:100%;
  background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.12);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.3);transition:.2s;}
.pick .pick-card .pt{font-weight:650;font-size:15px;margin-bottom:6px;}
.pick .pick-card .pd{color:var(--mut);font-size:12.5px;line-height:1.5;}
.pick input:checked + .pick-card{border-color:var(--lilac);
  background:linear-gradient(160deg,rgba(194,179,240,.20),rgba(255,255,255,.05));
  box-shadow:inset 0 1px 0 rgba(255,255,255,.5),0 0 0 1px var(--lilac) inset;}
.qty{display:inline-flex;align-items:center;border:1px solid rgba(255,255,255,.13);border-radius:14px;overflow:hidden;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.25);}
.qty button{width:46px;height:48px;background:rgba(255,255,255,.05);border:none;color:var(--ink);font-size:19px;cursor:pointer;}
.qty button:hover{background:rgba(255,255,255,.1);}
.qty input{width:58px;text-align:center;border:none;border-radius:0;box-shadow:none;
  border-left:1px solid rgba(255,255,255,.13);border-right:1px solid rgba(255,255,255,.13);}
.summary{border:1px solid rgba(255,255,255,.12);border-radius:18px;padding:20px 22px;margin-bottom:18px;
  background:rgba(255,255,255,.03);box-shadow:inset 0 1px 0 rgba(255,255,255,.25);}
.summary .row{display:flex;justify-content:space-between;gap:16px;padding:9px 0;
  border-bottom:1px solid rgba(255,255,255,.08);font-size:14px;}
.summary .row:last-child{border-bottom:none;}
.summary .row .k{color:var(--mut);}
.summary .row .v{font-weight:600;text-align:right;}
.agree{display:flex;align-items:flex-start;gap:11px;font-size:13.5px;color:var(--mut);margin:6px 0 4px;}
.agree input{margin-top:3px;width:16px;height:16px;accent-color:var(--lilac);flex-shrink:0;}
.agree a{color:var(--lilac);}
.err{color:#ff9b8a;font-size:13px;margin-top:10px;min-height:18px;}
.flow-actions{display:flex;justify-content:space-between;gap:12px;margin-top:28px;}
.flow-actions .spacer{flex:1;}
.flow-done{display:none;text-align:center;padding:64px 36px;}
.flow-done.show{display:block;animation:fade .5s ease;}
.flow-done .check{width:82px;height:82px;border-radius:50%;margin:0 auto 24px;display:flex;align-items:center;justify-content:center;
  font-size:40px;color:#191225;background:linear-gradient(120deg,var(--lilac),var(--blue));
  box-shadow:inset 0 1px 0 rgba(255,255,255,.7),0 22px 50px rgba(150,180,235,.5);}
.flow-done h2{font-size:25px;font-weight:700;margin-bottom:14px;}
.flow-done p{color:var(--mut);max-width:470px;margin:0 auto 8px;font-size:15px;}

/* ===== AI 陪伴聊天 ===== */
.chat-wrap{padding:48px 0 80px;}
.chat-wrap .container{max-width:780px;}
.chat-head{display:flex;align-items:center;gap:18px;margin-bottom:24px;}
.chat-avatar{width:64px;height:64px;border-radius:50%;object-fit:cover;flex-shrink:0;
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.5),0 12px 26px rgba(0,0,0,.4);}
.chat-head h1{font-size:clamp(22px,3.4vw,30px);font-weight:700;letter-spacing:-.5px;}
.chat-head .sub{color:var(--mut);font-size:14px;margin-top:6px;}
.chat-box{display:flex;flex-direction:column;height:min(60vh,560px);padding:0;overflow:hidden;}
.chat-log{flex:1;overflow-y:auto;padding:24px;display:flex;flex-direction:column;gap:14px;}
.msg{display:flex;align-items:flex-end;gap:10px;max-width:84%;}
.msg.me{align-self:flex-end;}
.msg.cat,.msg.sys{align-self:flex-start;}
.msg-av{width:34px;height:34px;border-radius:50%;flex-shrink:0;border:1px solid rgba(255,255,255,.14);}
.msg-bubble{padding:12px 16px;border-radius:18px;font-size:15px;line-height:1.6;white-space:pre-wrap;word-break:break-word;}
.msg.cat .msg-bubble{background:linear-gradient(155deg, rgba(255,255,255,.14), rgba(255,255,255,.05));
  border:1px solid rgba(255,255,255,.14);box-shadow:inset 0 1px 0 rgba(255,255,255,.4);border-bottom-left-radius:6px;}
.msg.me .msg-bubble{background:linear-gradient(120deg,#D2C6F5,#A6C8F4);color:#191225;font-weight:500;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.6),0 10px 24px rgba(150,180,235,.35);border-bottom-right-radius:6px;}
.msg.sys .msg-bubble{background:rgba(246,196,154,.08);border:1px solid rgba(246,196,154,.25);color:var(--orange);font-size:13.5px;}
.msg.typing .msg-bubble{color:var(--mut2);letter-spacing:2px;}
.chat-input{display:flex;gap:12px;padding:16px;border-top:1px solid rgba(255,255,255,.1);
  background:rgba(255,255,255,.02);}
.chat-input input{flex:1;padding:14px 16px;border-radius:16px;background:rgba(255,255,255,.05);
  border:1px solid rgba(255,255,255,.13);color:var(--ink);font-size:15px;font-family:inherit;outline:none;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.18);}
.chat-input input:focus{border-color:var(--lilac);background:rgba(255,255,255,.08);}
.chat-input .btn{padding:14px 24px;}
.chat-tip{color:var(--mut2);font-size:12.5px;margin-top:16px;text-align:center;}

/* ===== 功能开关：按 hide-xxx 类隐藏对应功能 ===== */
html.hide-membership .feat-membership{display:none!important;}
html.hide-shop .feat-shop{display:none!important;}
html.hide-merchant .feat-merchant{display:none!important;}
html.hide-chat .feat-chat .card-cta,
html.hide-chat .cat-hint{display:none!important;}
html.hide-chat a.cat-stage{cursor:default;}
html.hide-gesture .feat-gesture .card-cta{display:none!important;}
html.hide-gesture a.feat-gesture{cursor:default;}

/* ===== 滚动浮现 ===== */
.reveal{opacity:0;transform:translateY(28px);transition:opacity .8s cubic-bezier(.2,.7,.2,1),transform .8s cubic-bezier(.2,.7,.2,1);}
.reveal.in{opacity:1;transform:none;}

/* ===== 响应式 ===== */
@media (max-width:880px){
  .nav-links{position:fixed;top:90px;left:16px;right:16px;flex-direction:column;align-items:flex-start;gap:0;
    padding:8px 18px 16px;border-radius:22px;
    background:linear-gradient(155deg, rgba(22,18,40,.96), rgba(14,11,28,.96));
    border:1px solid rgba(255,255,255,.13);
    -webkit-backdrop-filter:blur(24px) saturate(180%);backdrop-filter:blur(24px) saturate(180%);
    box-shadow:0 24px 60px rgba(0,0,0,.55);
    transform:translateY(-12px) scale(.98);opacity:0;visibility:hidden;transition:.28s ease;}
  .nav-links.open{transform:none;opacity:1;visibility:visible;}
  .nav-links a{width:100%;padding:14px 0;border-bottom:1px solid rgba(255,255,255,.08);font-size:16px;}
  .btn-ghost{border:none;background:none;padding:14px 0;box-shadow:none;}
  .nav-toggle{display:block;}
  .hero-grid{grid-template-columns:1fr;gap:34px;}
  .hero-visual{height:340px;order:-1;}
  .orb{width:232px;height:232px;}
  .cat-stage{width:280px;height:280px;}
  .cat-halo{width:240px;height:240px;}
  .cat-ip{width:212px;}
  .cards,.pick-grid{grid-template-columns:1fr;}
  .about{grid-template-columns:1fr;gap:26px;}
  .about .panel,.boundary{padding:30px;}
  .contact-grid{grid-template-columns:1fr;}
  section{padding:74px 0;}
  .legal-card{padding:30px 26px;}
  .panel-box{padding:26px;}
  .stepper{gap:4px;}
  .step-dot span.t{display:none;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;scroll-behavior:auto;}
  .reveal{opacity:1;transform:none;}
}

@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-14px)}}
@keyframes spin{to{transform:rotate(360deg)}}
@keyframes fade{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}
@keyframes drift{0%,100%{transform:translate(0,0) scale(1)}33%{transform:translate(4vw,3vw) scale(1.08)}66%{transform:translate(-3vw,2vw) scale(.95)}}