/* ============================================================
   全站样式
   ============================================================ */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body,h1,h2,h3,h4,p,ul,ol,li,figure,dl,dd{margin:0;padding:0}
ul,ol{list-style:none}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
button{background:none;border:0;cursor:pointer}
table{border-collapse:collapse}

:root{
  --ink:#0f1113;
  --ink-2:#191d21;
  --ink-3:#2a2f35;
  --text:#1b1f24;
  --muted:#767b82;
  --muted-2:#9aa0a7;
  --line:#e6e5e1;
  --line-dark:rgba(255,255,255,.12);
  --bg:#ffffff;
  --bg-soft:#f6f5f2;
  --bg-warm:#efece6;
  --gold:#c2924a;
  --gold-2:#a97c33;
  --gold-soft:rgba(194,146,74,.12);
  --radius:2px;
  --wrap:1240px;
  --shadow:0 18px 50px -22px rgba(15,17,19,.35);
  --ease:cubic-bezier(.22,.61,.36,1);
}

body{
  font-family:"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:15px;line-height:1.75;color:var(--text);background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
body.no-scroll{overflow:hidden}

.wrap{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 24px}
.wrap-narrow{max-width:920px}

h1,h2,h3,h4{line-height:1.25;font-weight:700;letter-spacing:-.01em}
h1{font-size:clamp(28px,4.4vw,54px)}
h2{font-size:clamp(22px,2.8vw,34px)}
h3{font-size:17px}

::selection{background:var(--ink);color:#fff}

/* ---------- 通用元素 ---------- */
.eyebrow{
  display:inline-block;font-size:12px;letter-spacing:.22em;text-transform:uppercase;
  color:var(--gold);font-weight:600
}
.eyebrow.on-dark{color:var(--gold)}
.hr-gold{width:44px;height:2px;background:var(--gold);display:block;margin:18px 0}
.lead{color:var(--muted);font-size:15.5px}
.link-more{font-size:13px;letter-spacing:.06em;color:var(--text);border-bottom:1px solid var(--line);padding-bottom:2px;transition:.25s}
.link-more:hover{color:var(--gold);border-color:var(--gold)}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 26px;border:1px solid transparent;border-radius:var(--radius);
  font-size:14px;font-weight:600;letter-spacing:.04em;cursor:pointer;transition:.25s var(--ease);white-space:nowrap
}
.btn-dark{background:var(--ink);color:#fff}
.btn-dark:hover{background:var(--ink-3)}
.btn-gold{background:var(--gold);color:#1b1508}
.btn-gold:hover{background:var(--gold-2);color:#fff}
.btn-ghost{border-color:rgba(255,255,255,.35);color:#fff}
.btn-ghost:hover{border-color:var(--gold);color:var(--gold)}
.btn-outline{border-color:var(--line);color:var(--text);background:#fff}
.btn-outline:hover{border-color:var(--ink);background:var(--ink);color:#fff}
.btn-block{width:100%}
.btn-lg{height:50px;padding:0 34px}
.btn:disabled{opacity:.55;cursor:not-allowed}

section{padding:84px 0}
.sec-soft{background:var(--bg-soft)}
.sec-warm{background:var(--bg-warm)}
.sec-dark{background:var(--ink);color:#fff}
.sec-dark .lead{color:rgba(255,255,255,.62)}

.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:28px;margin-bottom:44px}
.sec-head p{margin-top:10px;color:var(--muted);font-size:14.5px}
.sec-head .hr-gold{margin:16px 0 0}

/* ---------- 页头 ---------- */
.site-head{position:sticky;top:0;z-index:60;background:#fff;border-bottom:1px solid var(--line)}
.topbar{background:var(--ink);color:rgba(255,255,255,.72);font-size:12.5px}
.topbar .wrap{display:flex;align-items:center;justify-content:space-between;height:38px}
.topbar-left{display:flex;align-items:center;gap:22px}
.topbar b{color:#fff;font-weight:600;letter-spacing:.02em}
.topbar a:hover{color:var(--gold)}
.topbar .top-link{color:var(--gold)}

.nav{height:74px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{display:flex;align-items:center;gap:12px}
.brand-mark{
  width:38px;height:38px;background:var(--ink);color:var(--gold);
  display:grid;place-items:center;font-weight:700;font-size:16px;letter-spacing:.02em;flex:none
}
.brand-txt b{display:block;font-size:18px;letter-spacing:.02em;line-height:1.2}
.brand-txt span{display:block;font-size:10.5px;letter-spacing:.2em;color:var(--muted-2);text-transform:uppercase}

.menu{display:flex;align-items:center;gap:6px}
.menu > li > a{
  display:block;padding:10px 14px;font-size:14.5px;font-weight:500;color:var(--text);
  border-bottom:2px solid transparent;transition:.2s
}
.menu > li > a:hover{color:var(--gold)}
.menu > li > a.active{color:var(--ink);border-color:var(--gold);font-weight:600}
.nav-right{display:flex;align-items:center;gap:16px}
.nav-phone{display:flex;align-items:center;gap:8px;font-weight:700;letter-spacing:.04em}
.nav-phone span{font-size:11px;color:var(--muted-2);font-weight:500;letter-spacing:.12em;display:block;line-height:1}
.nav-phone b{font-size:16px}

.burger{display:none;width:40px;height:40px;place-items:center;border:1px solid var(--line)}
.burger i{display:block;width:18px;height:2px;background:var(--ink);position:relative}
.burger i::before,.burger i::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink)}
.burger i::before{top:-6px}.burger i::after{top:6px}

.drawer{position:fixed;inset:0;z-index:90;background:#fff;transform:translateX(100%);transition:transform .35s var(--ease);overflow-y:auto}
.drawer.open{transform:none}
.drawer-head{display:flex;align-items:center;justify-content:space-between;height:66px;padding:0 20px;border-bottom:1px solid var(--line)}
.drawer-close{font-size:24px;line-height:1;color:var(--muted)}
.drawer-menu > li > a{display:block;padding:16px 20px;border-bottom:1px solid var(--line);font-size:16px;font-weight:500}
.drawer-menu > li > a.active{color:var(--gold);font-weight:700}
.drawer-foot{padding:22px 20px 40px;display:grid;gap:12px}

/* ---------- Hero ---------- */
.hero{position:relative;background:var(--ink);color:#fff;padding:0;overflow:hidden}
.hero-bg{position:absolute;inset:0;
  background:
    radial-gradient(1100px 620px at 82% 8%,rgba(194,146,74,.22),transparent 60%),
    radial-gradient(760px 520px at 6% 92%,rgba(194,146,74,.10),transparent 62%),
    linear-gradient(155deg,#0f1113 0%,#171b1f 55%,#0d0f11 100%);
}
.hero-grid-lines{position:absolute;inset:0;opacity:.5;
  background-image:linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);
  background-size:64px 64px;
  mask-image:radial-gradient(ellipse at 50% 40%,#000 30%,transparent 78%);
  -webkit-mask-image:radial-gradient(ellipse at 50% 40%,#000 30%,transparent 78%);
}
.hero .wrap{position:relative;z-index:2}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:64px;align-items:center;padding-top:86px;padding-bottom:86px}
.hero-text h1{margin:18px 0 20px}
.hero-text h1 em{font-style:normal;color:var(--gold)}
.hero-text .lead{color:rgba(255,255,255,.66);max-width:520px}
.hero-actions{display:flex;gap:14px;margin-top:34px;flex-wrap:wrap}
.hero-facts{display:flex;gap:44px;margin-top:46px;padding-top:30px;border-top:1px solid var(--line-dark)}
.hero-facts dt{font-size:26px;font-weight:700;color:#fff;line-height:1.1}
.hero-facts dt i{font-style:normal;font-size:15px;font-weight:600;color:var(--gold);margin-left:2px}
.hero-facts dd{font-size:12.5px;color:rgba(255,255,255,.55);letter-spacing:.04em;margin-top:6px}

/* Hero 报名卡片 */
.hero-card{background:#fff;color:var(--text);padding:30px 30px 26px;box-shadow:var(--shadow);border-top:3px solid var(--gold)}
.hero-card h3{font-size:19px;margin-bottom:4px}
.hero-card .card-sub{font-size:12.5px;color:var(--muted);margin-bottom:20px}

/* ---------- 表单 ---------- */
.form{display:grid;gap:14px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.field{display:grid;gap:7px}
.field > label{font-size:12.5px;color:var(--muted);letter-spacing:.04em}
.field > label i{color:var(--gold);font-style:normal;margin-left:2px}
.field input,.field select,.field textarea{
  width:100%;height:44px;padding:0 13px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  font-size:14px;transition:.2s;outline:none
}
.field textarea{height:auto;min-height:96px;padding:11px 13px;line-height:1.7;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--gold);box-shadow:0 0 0 3px var(--gold-soft)}
.field select{appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%23767b82' stroke-width='1.5' fill='none'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 13px center}
.field .err{font-size:12px;color:#c0392b;display:none}
.field.invalid input,.field.invalid select{border-color:#c0392b}
.field.invalid .err{display:block}

.check{display:flex;gap:9px;align-items:flex-start;font-size:12.5px;color:var(--muted);line-height:1.6;cursor:pointer}
.check input{width:15px;height:15px;margin-top:3px;accent-color:var(--gold);flex:none}
.check a{color:var(--gold);border-bottom:1px solid var(--gold-soft)}
.check.invalid{color:#c0392b}

.form-note{font-size:12px;color:var(--muted-2);text-align:center}

/* 重复报名提示 */
.dup-tip{display:none;border-left:3px solid var(--gold);background:var(--gold-soft);padding:14px 16px;margin-bottom:16px}
.dup-tip.show{display:block}
.dup-tip b{display:block;font-size:14px;color:#8a6420}
.dup-tip span{display:block;font-size:12.5px;color:var(--muted);margin-top:5px;line-height:1.7}

/* ---------- 服务流程 ---------- */
.process-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:0;position:relative}
.step{position:relative;padding:0 22px 0 0}
.step:last-child{padding-right:0}
.step-num{font-size:13px;font-weight:700;color:var(--gold);letter-spacing:.16em;display:block}
.step h3{margin:16px 0 10px;position:relative;padding-top:22px;border-top:1px solid var(--line)}
.step h3::before{content:"";position:absolute;top:-1px;left:0;width:26px;height:1px;background:var(--gold)}
.step p{font-size:13.5px;color:var(--muted);line-height:1.8}

/* ---------- 品牌魅力 ---------- */
.brand-band{display:grid;grid-template-columns:.9fr 1.1fr;gap:70px;align-items:center}
.brand-years{display:flex;align-items:flex-end;gap:16px}
.brand-years .num{font-size:clamp(76px,12vw,150px);font-weight:700;line-height:.82;color:var(--gold);letter-spacing:-.04em}
.brand-years .unit{font-size:14px;letter-spacing:.3em;color:rgba(255,255,255,.5);padding-bottom:14px;text-transform:uppercase}
.brand-band h2{margin-top:22px}
.brand-band .lead{margin-top:16px;max-width:520px}
.stats{display:grid;grid-template-columns:repeat(2,1fr);gap:1px;background:var(--line-dark);border:1px solid var(--line-dark);margin-top:38px}
.stat{background:var(--ink);padding:26px 24px}
.stat .num{font-size:34px;font-weight:700;color:#fff;line-height:1}
.stat .num i{font-style:normal;color:var(--gold)}
.stat .label{font-size:12.5px;color:rgba(255,255,255,.55);margin-top:9px}

/* ---------- 设计师 ---------- */
.designer-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.designer-card{background:#fff;border:1px solid var(--line);padding:0 0 22px;transition:.3s var(--ease)}
.designer-card:hover{border-color:var(--ink);transform:translateY(-4px);box-shadow:var(--shadow)}
.designer-avatar{
  height:210px;position:relative;overflow:hidden;
  background:linear-gradient(160deg,#e9e5dd,#d9d3c8);
  display:grid;place-items:center
}
.designer-avatar::after{content:"";position:absolute;inset:0;background:linear-gradient(160deg,rgba(15,17,19,.05),rgba(15,17,19,.32))}
.designer-avatar b{position:relative;z-index:2;font-size:64px;color:rgba(255,255,255,.9);font-weight:700;text-shadow:0 6px 30px rgba(0,0,0,.25)}
.designer-avatar .badge{position:absolute;z-index:3;left:0;bottom:0;background:var(--ink);color:var(--gold);
  font-size:11px;letter-spacing:.14em;padding:6px 12px}
.designer-body{padding:20px 20px 0}
.designer-body h3{font-size:18px}
.designer-body .role{font-size:12.5px;color:var(--gold);letter-spacing:.06em;margin-top:6px}
.designer-body .idea{font-size:13px;color:var(--muted);margin-top:12px;line-height:1.75;
  min-height:66px;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.designer-body .link-more{display:inline-block;margin-top:14px}

/* ---------- 案例 ---------- */
.tabs{display:flex;gap:26px;flex-wrap:wrap;margin-bottom:34px}
.tab{font-size:14.5px;color:var(--muted);padding-bottom:8px;border-bottom:2px solid transparent;transition:.2s}
.tab:hover{color:var(--text)}
.tab.active{color:var(--ink);font-weight:600;border-color:var(--gold)}
.case-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.case-card{background:#fff;border:1px solid var(--line);overflow:hidden;transition:.3s var(--ease);display:flex;flex-direction:column}
.case-card:hover{border-color:var(--ink);box-shadow:var(--shadow);transform:translateY(-4px)}
.case-thumb{position:relative;aspect-ratio:4/3;overflow:hidden;display:block}
.case-thumb img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .7s var(--ease)}
.case-card:hover .case-thumb img{transform:scale(1.05)}
.case-thumb::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(15,17,19,0) 45%,rgba(15,17,19,.42))}
.case-thumb .idx{position:absolute;left:18px;top:16px;z-index:2;font-size:12px;letter-spacing:.2em;color:rgba(255,255,255,.85);font-weight:600}
.case-thumb .tag{position:absolute;right:0;bottom:0;z-index:2;background:rgba(15,17,19,.82);color:#fff;
  font-size:11.5px;letter-spacing:.08em;padding:6px 12px}
.case-body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1}
.case-body h3{font-size:18px}
.case-body .en{font-size:11px;letter-spacing:.2em;text-transform:uppercase;color:var(--muted-2);margin-top:6px}
.case-body .desc{font-size:13px;color:var(--muted);margin-top:12px;line-height:1.8;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.case-foot{display:flex;justify-content:space-between;align-items:center;gap:12px;
  margin-top:18px;padding-top:14px;border-top:1px solid var(--line);font-size:12.5px;color:var(--muted)}
.case-foot b{color:var(--text);font-weight:600}
.case-more{text-align:center;margin-top:44px}

/* 案例缩略图底色（图片加载中或加载失败时的兜底） */
.case-thumb{background:linear-gradient(140deg,#3a3f45,#1c2025)}
.case-thumb[data-tone="0"]{background:linear-gradient(140deg,#2f3a42,#12171b)}
.case-thumb[data-tone="1"]{background:linear-gradient(140deg,#4b4034,#20180f)}
.case-thumb[data-tone="2"]{background:linear-gradient(140deg,#3d3a34,#191713)}
.case-thumb[data-tone="3"]{background:linear-gradient(140deg,#33413c,#131a17)}
.case-thumb[data-tone="4"]{background:linear-gradient(140deg,#46424e,#1d1a22)}
.case-thumb[data-tone="5"]{background:linear-gradient(140deg,#4a3a3c,#1e1416)}

/* ---------- 资讯 ---------- */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.news-col{background:#fff;border:1px solid var(--line);padding:24px}
.news-col > h3{font-size:15px;display:flex;align-items:center;gap:10px;padding-bottom:16px;border-bottom:1px solid var(--line)}
.news-col > h3::before{content:"";width:6px;height:6px;background:var(--gold);display:block}
.news-feature{display:block;margin:18px 0 6px}
.news-feature .thumb{height:150px;background:linear-gradient(135deg,#333a41,#171b1f);position:relative;
  display:grid;place-items:center;margin-bottom:14px}
.news-feature .thumb span{font-size:11px;letter-spacing:.24em;color:rgba(255,255,255,.5)}
.news-feature h4{font-size:15.5px;line-height:1.6;transition:.2s}
.news-feature:hover h4{color:var(--gold)}
.news-item{display:flex;gap:12px;padding:13px 0;border-bottom:1px dashed var(--line)}
.news-item:last-child{border-bottom:0}
.news-item .date{flex:none;font-size:12px;color:var(--gold);letter-spacing:.04em;width:34px}
.news-item h4{font-size:13.5px;font-weight:500;color:var(--muted);line-height:1.65;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;transition:.2s}
.news-item:hover h4{color:var(--text)}

/* ---------- 内页 Banner ---------- */
.page-hero{background:var(--ink);color:#fff;padding:74px 0 66px;position:relative;overflow:hidden}
.page-hero::after{content:"";position:absolute;inset:0;
  background:radial-gradient(720px 420px at 78% 10%,rgba(194,146,74,.18),transparent 62%)}
.page-hero .wrap{position:relative;z-index:2}
.page-hero h1{margin-top:16px}
.page-hero .lead{color:rgba(255,255,255,.6);max-width:620px;margin-top:14px}
.crumb{font-size:12.5px;color:rgba(255,255,255,.45);margin-top:22px;letter-spacing:.04em}
.crumb a:hover{color:var(--gold)}

/* ---------- 报名页 ---------- */
.signup-grid{display:grid;grid-template-columns:1fr 1.1fr;gap:60px;align-items:start}
.signup-aside h2{margin-top:16px}
.signup-points{margin-top:34px;display:grid;gap:1px;background:var(--line);border:1px solid var(--line)}
.signup-points li{background:#fff;padding:20px 22px;display:flex;gap:14px}
.signup-points .k{flex:none;width:26px;height:26px;background:var(--ink);color:var(--gold);display:grid;place-items:center;font-size:12px;font-weight:700}
.signup-points b{display:block;font-size:14.5px}
.signup-points p{font-size:13px;color:var(--muted);margin-top:4px;line-height:1.7}
.signup-contact{margin-top:26px;padding:24px;background:var(--bg-soft);border-left:2px solid var(--gold)}
.signup-contact dt{font-size:12px;color:var(--muted-2);letter-spacing:.12em;margin-top:14px}
.signup-contact dt:first-child{margin-top:0}
.signup-contact dd{font-size:15px;font-weight:600;margin-top:3px}
.signup-card{background:#fff;border:1px solid var(--line);padding:34px;box-shadow:var(--shadow)}

/* 成功态 */
.success{display:none;text-align:center;padding:34px 10px}
.success.show{display:block}
.success .ok{width:64px;height:64px;margin:0 auto 22px;border-radius:50%;border:2px solid var(--gold);
  display:grid;place-items:center;color:var(--gold);font-size:26px}
.success h3{font-size:20px}
.success p{color:var(--muted);font-size:13.5px;margin-top:10px}
.success .btn{margin-top:22px}

/* ---------- 隐私协议 ---------- */
.doc{padding:64px 0 90px}
.doc h2{font-size:20px;margin:44px 0 14px;padding-left:14px;border-left:3px solid var(--gold)}
.doc h2:first-child{margin-top:0}
.doc h3{font-size:16px;margin:26px 0 10px}
.doc p,.doc li{color:#44494f;font-size:14.5px;line-height:1.95}
.doc ol{padding-left:22px;list-style:decimal}
.doc ol li{margin:7px 0}
.doc ul{padding-left:20px}
.doc ul li{margin:6px 0;position:relative}
.doc ul li::before{content:"";position:absolute;left:-14px;top:12px;width:5px;height:5px;background:var(--gold)}
.doc .doc-meta{font-size:12.5px;color:var(--muted-2);padding-bottom:22px;border-bottom:1px solid var(--line);margin-bottom:34px}
.doc-box{background:var(--bg-soft);border:1px solid var(--line);padding:22px 24px;margin:22px 0}
.doc-box p{font-size:14px}

/* ---------- CTA 条 ---------- */
.cta{background:var(--ink);color:#fff;padding:54px 0}
.cta .wrap{display:flex;align-items:center;justify-content:space-between;gap:34px;flex-wrap:wrap}
.cta h2{font-size:clamp(20px,2.4vw,28px)}
.cta p{color:rgba(255,255,255,.6);font-size:14px;margin-top:10px}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap}

/* ---------- 页脚 ---------- */
.site-foot{background:#0b0d0f;color:rgba(255,255,255,.58);padding:66px 0 0;font-size:13.5px}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:44px;padding-bottom:52px}
.foot-brand .brand-txt b{color:#fff}
.foot-brand .brand-txt span{color:rgba(255,255,255,.4)}
.foot-brand p{margin-top:20px;max-width:300px;line-height:1.9;font-size:13px}
.foot-col h4{color:#fff;font-size:14px;margin-bottom:20px;letter-spacing:.04em}
.foot-col li{margin-bottom:11px}
.foot-col a:hover{color:var(--gold)}
.foot-contact dt{font-size:12px;color:rgba(255,255,255,.38);letter-spacing:.1em}
.foot-contact dd{color:#fff;font-weight:600;font-size:15px;margin:2px 0 16px}
.foot-contact dd.big{font-size:22px;color:var(--gold)}
.foot-bottom{border-top:1px solid rgba(255,255,255,.1);padding:20px 0;display:flex;
  justify-content:space-between;gap:18px;flex-wrap:wrap;font-size:12.5px;color:rgba(255,255,255,.4)}
.foot-bottom a:hover{color:var(--gold)}

/* ---------- 浮动按钮 / Toast ---------- */
.to-top{position:fixed;right:22px;bottom:26px;z-index:70;width:44px;height:44px;background:var(--ink);color:#fff;
  display:grid;place-items:center;opacity:0;visibility:hidden;transition:.3s}
.to-top.show{opacity:1;visibility:visible}
.to-top:hover{background:var(--gold);color:#1b1508}

.float-signup{position:fixed;right:22px;bottom:82px;z-index:70}
.float-signup a{display:flex;flex-direction:column;align-items:center;gap:2px;background:var(--gold);color:#1b1508;
  padding:11px 14px;font-size:12px;font-weight:700;line-height:1.35;text-align:center;box-shadow:0 10px 30px -12px rgba(194,146,74,.8)}
.float-signup a:hover{background:var(--gold-2);color:#fff}

.toast{position:fixed;left:50%;top:24px;transform:translate(-50%,-140%);z-index:120;
  background:var(--ink);color:#fff;padding:13px 22px;font-size:14px;box-shadow:var(--shadow);transition:.35s var(--ease);max-width:90vw}
.toast.show{transform:translate(-50%,0)}
.toast.err{background:#c0392b}

/* ---------- 动效 ---------- */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
.reveal.in{opacity:1;transform:none}

/* ---------- 响应式 ---------- */
@media (max-width:1080px){
  .hero-grid{grid-template-columns:1fr;gap:46px;padding-top:64px;padding-bottom:64px}
  .process-grid{grid-template-columns:repeat(2,1fr);gap:34px 24px}
  .brand-band{grid-template-columns:1fr;gap:44px}
  .designer-grid{grid-template-columns:repeat(2,1fr)}
  .case-grid{grid-template-columns:repeat(2,1fr)}
  .news-grid{grid-template-columns:1fr}
  .signup-grid{grid-template-columns:1fr;gap:44px}
  .foot-grid{grid-template-columns:1fr 1fr;gap:36px}
  .menu,.nav-phone{display:none}
  .burger{display:grid}
}
@media (max-width:680px){
  section{padding:56px 0}
  .wrap{padding:0 18px}
  .topbar-left .hide-sm{display:none}
  .hero-facts{gap:26px;flex-wrap:wrap}
  .form-row{grid-template-columns:1fr}
  .designer-grid,.case-grid{grid-template-columns:1fr}
  .process-grid{grid-template-columns:1fr}
  .stats{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr}
  .sec-head{flex-direction:column;align-items:flex-start;gap:16px}
  .signup-card{padding:24px 20px}
  .hero-card{padding:24px 20px}
  .tabs{gap:18px}
}