:root{
  --ink:#0c1116;
  --ink-2:#121a22;
  --ink-3:#1a242e;
  --paper:#f3ead6;
  --paper-soft:#e7dcc2;
  --gold:#c9a85a;
  --gold-bright:#e8c987;
  --gold-deep:#a8843f;
  --jade:#6fae9b;
  --vermillion:#b8412f;
  --text:#e9e0cd;
  --text-dim:#a89e87;
  --line:rgba(201,168,90,.22);
  --serif:"Noto Serif SC","Songti SC","STSong",serif;
  --kai:"Ma Shan Zheng","ZCOOL XiaoWei","STKaiti","KaiTi",var(--serif);
}

*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:var(--serif);
  background:var(--ink);
  color:var(--text);
  line-height:1.7;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}

/* 印章 */
.seal{
  display:inline-flex;align-items:center;justify-content:center;
  width:38px;height:38px;border-radius:7px;
  background:var(--vermillion);color:#fff;
  font-family:var(--kai);font-size:15px;line-height:1;
  letter-spacing:-1px;flex:0 0 auto;
  box-shadow:0 2px 10px rgba(184,65,47,.4);
  writing-mode:vertical-rl;padding:4px 2px;
}

/* ===== 导航 ===== */
.nav{
  position:fixed;top:0;left:0;right:0;z-index:50;
  transition:.4s;
  background:rgba(10,14,19,.92);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.nav.scrolled{
  background:rgba(8,11,15,.97);
  border-bottom:1px solid var(--gold);
}
.nav-inner{
  max-width:1240px;margin:0 auto;padding:14px 28px;
  display:flex;align-items:center;justify-content:space-between;
}
.brand{display:flex;align-items:center;gap:11px}
.brand-text{font-family:var(--kai);font-size:24px;letter-spacing:3px;color:var(--paper)}
.nav-links{display:flex;gap:34px}
.nav-links a{
  font-size:16px;letter-spacing:2px;color:var(--text-dim);
  position:relative;padding:4px 0;transition:.3s;
}
.nav-links a::after{
  content:"";position:absolute;left:0;bottom:0;width:0;height:1.5px;
  background:var(--gold);transition:.3s;
}
.nav-links a:hover,.nav-links a.active{color:var(--gold-bright)}
.nav-links a:hover::after,.nav-links a.active::after{width:100%}
.cart-btn{
  position:relative;background:none;border:none;color:var(--paper);
  cursor:pointer;display:flex;align-items:center;padding:6px;transition:.3s;
}
.cart-btn:hover{color:var(--gold-bright)}
.cart-badge{
  position:absolute;top:-2px;right:-4px;
  background:var(--vermillion);color:#fff;font-size:11px;
  min-width:18px;height:18px;border-radius:9px;
  display:flex;align-items:center;justify-content:center;padding:0 4px;
  font-family:var(--serif);font-weight:600;
}

/* ===== Hero ===== */
.hero{position:relative;min-height:100vh;display:flex;align-items:center;overflow:hidden}
.hero-bg{
  position:absolute;inset:0;background-size:cover;background-position:center;
  transform:scale(1.08);animation:slowzoom 24s ease-in-out infinite alternate;
}
@keyframes slowzoom{to{transform:scale(1.16)}}
.hero-overlay{
  position:absolute;inset:0;
  background:
    radial-gradient(120% 90% at 50% 30%,rgba(12,17,22,.25),rgba(12,17,22,.78) 70%,var(--ink) 100%),
    linear-gradient(180deg,rgba(12,17,22,.45),rgba(12,17,22,.25) 40%,var(--ink));
}
.hero-clouds{
  position:absolute;inset:0;pointer-events:none;opacity:.5;
  background:
    radial-gradient(60% 30% at 20% 70%,rgba(201,168,90,.10),transparent 70%),
    radial-gradient(50% 26% at 80% 55%,rgba(111,174,155,.08),transparent 70%);
  animation:drift 18s ease-in-out infinite alternate;
}
@keyframes drift{to{transform:translateX(40px)}}

.hero-content{
  position:relative;z-index:3;max-width:1240px;margin:0 auto;width:100%;
  padding:0 28px;display:flex;gap:46px;align-items:center;
}
.hero-seal-col{display:flex;flex-direction:column;gap:10px}
.vseal{
  font-family:var(--kai);font-size:30px;color:var(--gold-bright);
  width:56px;height:56px;border:1px solid var(--line);border-radius:8px;
  display:flex;align-items:center;justify-content:center;
  background:rgba(201,168,90,.05);writing-mode:vertical-rl;
  text-shadow:0 0 16px rgba(232,201,135,.4);
}
.hero-main{flex:1}
.hero-eyebrow{
  font-size:14px;letter-spacing:6px;color:var(--gold);margin-bottom:18px;
  text-transform:uppercase;
}
.hero-title{
  font-family:var(--kai);font-size:clamp(64px,11vw,140px);
  line-height:.95;color:var(--paper);letter-spacing:8px;
  text-shadow:0 4px 40px rgba(0,0,0,.6),0 0 60px rgba(201,168,90,.18);
}
.hero-tagline{
  font-family:var(--kai);font-size:clamp(22px,3.4vw,40px);
  color:var(--gold-bright);letter-spacing:14px;margin:22px 0 18px;
  text-shadow:0 0 24px rgba(232,201,135,.35);
}
.hero-poem{
  font-family:var(--kai);font-size:clamp(16px,2vw,22px);
  color:var(--jade);letter-spacing:6px;margin:0 0 20px;
  text-shadow:0 0 18px rgba(111,174,155,.3);
}
.hero-sub{max-width:540px;color:var(--text-dim);font-size:17px;letter-spacing:1px}
.hero-actions{display:flex;gap:18px;margin-top:38px;flex-wrap:wrap}

.btn{
  display:inline-flex;align-items:center;justify-content:center;
  font-family:var(--serif);font-size:16px;letter-spacing:3px;
  padding:14px 34px;border-radius:4px;cursor:pointer;transition:.3s;
  border:1px solid transparent;
}
.btn-sm{padding:10px 24px;font-size:14px}
.btn-block{width:100%}
.btn-gold{
  background:linear-gradient(135deg,var(--gold-bright),var(--gold-deep));
  color:#1a120a;font-weight:600;
  box-shadow:0 6px 24px rgba(201,168,90,.32);
}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 10px 32px rgba(201,168,90,.45)}
.btn-ghost{border-color:var(--gold);color:var(--gold-bright);background:rgba(201,168,90,.06)}
.btn-ghost:hover{background:rgba(201,168,90,.16);transform:translateY(-2px)}

.scroll-hint{
  position:absolute;bottom:34px;left:50%;transform:translateX(-50%);
  z-index:4;display:flex;flex-direction:column;align-items:center;gap:10px;
  color:var(--text-dim);font-size:13px;letter-spacing:4px;
}
.scroll-dot{width:1px;height:42px;background:linear-gradient(var(--gold),transparent);position:relative;overflow:hidden}
.scroll-dot::after{content:"";position:absolute;top:-20px;left:0;width:1px;height:20px;background:var(--gold-bright);animation:scrolldot 2s ease-in-out infinite}
@keyframes scrolldot{to{top:42px}}

.mountain-divider{position:absolute;bottom:-1px;left:0;right:0;z-index:3;line-height:0}
.mountain-divider svg{width:100%;height:90px;display:block}
.mountain-divider path{fill:var(--ink)}

/* ===== 通用 section ===== */
.section{max-width:1240px;margin:0 auto;padding:110px 28px}
.section-head{text-align:center;max-width:720px;margin:0 auto 60px}
.section-kicker{font-size:13px;letter-spacing:5px;color:var(--gold);display:block;margin-bottom:16px}
.section-title{font-family:var(--kai);font-size:clamp(30px,4.6vw,52px);color:var(--paper);letter-spacing:6px;margin-bottom:16px}
.section-desc{color:var(--text-dim);font-size:16px;letter-spacing:.5px}


/* ===== 臻品商城 ===== */
.product-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.product-card{
  background:linear-gradient(170deg,var(--ink-2),var(--ink-3));
  border:1px solid var(--line);border-radius:10px;overflow:hidden;
  transition:.4s;display:flex;flex-direction:column;
}
.product-card:hover{transform:translateY(-8px);border-color:var(--gold);box-shadow:0 18px 44px rgba(0,0,0,.5)}
.pc-art{
  height:200px;position:relative;display:flex;align-items:center;justify-content:center;
  overflow:hidden;background-size:cover;background-position:center;background-color:var(--ink-3);
}
.pc-art .glyph{
  font-family:var(--kai);font-size:96px;color:rgba(243,234,214,.9);
  text-shadow:0 4px 30px rgba(0,0,0,.4);z-index:2;
}
.pc-art::before{content:"";position:absolute;inset:0;opacity:.9}
.pc-tag{position:absolute;top:14px;left:14px;z-index:3;max-width:calc(100% - 28px);font-size:12px;letter-spacing:2px;color:#1a120a;background:var(--gold-bright);padding:3px 10px;border-radius:4px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.pc-body{padding:20px 22px 24px;display:flex;flex-direction:column;flex:1}
.pc-name{font-family:var(--kai);font-size:23px;color:var(--paper);letter-spacing:2px}
.pc-sub{color:var(--jade);font-size:13px;letter-spacing:2px;margin:6px 0 12px}
.pc-desc{color:var(--text-dim);font-size:14px;flex:1;margin-bottom:16px}
.pc-foot{display:flex;align-items:center;justify-content:space-between}
.pc-price{font-family:var(--kai);font-size:24px;color:var(--gold-bright);letter-spacing:1px}
.pc-price small{font-size:13px;margin-right:2px}
.pc-add{
  background:rgba(201,168,90,.12);border:1px solid var(--gold);color:var(--gold-bright);
  font-size:14px;letter-spacing:2px;padding:9px 18px;border-radius:4px;cursor:pointer;transition:.3s;
}
.pc-add:hover{background:var(--gold);color:#1a120a}

/* 定制输入 & 购物车刻字 */
.pc-custom{
  width:100%;margin-bottom:14px;padding:9px 12px;
  background:rgba(201,168,90,.07);border:1px solid var(--line);
  border-radius:5px;color:var(--paper);font-family:var(--serif);
  font-size:14px;letter-spacing:1px;outline:none;
}
.pc-custom::placeholder{color:var(--text-dim)}
.pc-custom:focus{border-color:var(--gold)}
.ci-custom{color:var(--jade);font-size:13px;margin-top:2px;letter-spacing:1px}

/* ===== 品牌理念 ===== */
.idea{position:relative;max-width:none;padding:0;margin-top:40px}
.idea-bg{position:absolute;inset:0;background-size:cover;background-position:center;filter:brightness(.5)}
.idea-overlay{position:absolute;inset:0;background:linear-gradient(180deg,rgba(12,17,22,.82),rgba(12,17,22,.9))}
.idea-inner{position:relative;z-index:2;max-width:1100px;margin:0 auto;padding:120px 28px}
.couplet{display:flex;justify-content:center;align-items:stretch;gap:40px}
.couplet-col{
  display:flex;flex-direction:column;gap:6px;
  font-family:var(--kai);font-size:clamp(28px,4vw,46px);color:var(--gold-bright);
  letter-spacing:4px;
}
.couplet-col.right p{color:var(--jade)}
.couplet-mid{text-align:center;display:flex;flex-direction:column;align-items:center;justify-content:center;min-width:280px}
.idea-seal{
  display:inline-flex;align-items:center;justify-content:center;
  width:64px;height:64px;border-radius:10px;background:var(--vermillion);
  color:#fff;font-family:var(--kai);font-size:24px;line-height:1;
  writing-mode:vertical-rl;padding:6px 2px;margin-bottom:26px;
  box-shadow:0 4px 18px rgba(184,65,47,.45);
}
.idea-title{font-family:var(--kai);font-size:clamp(40px,6vw,72px);color:var(--paper);letter-spacing:10px;margin-bottom:24px}
.idea-text{color:var(--text-dim);font-size:16px;letter-spacing:1px;line-height:2}

/* ===== 页脚 ===== */
.footer{background:var(--ink-2);border-top:1px solid var(--line);margin-top:0}
.footer-inner{max-width:1240px;margin:0 auto;padding:64px 28px 40px;display:flex;justify-content:space-between;gap:40px;flex-wrap:wrap}
.footer-brand{display:flex;align-items:center;gap:14px}
.fb-name{font-family:var(--kai);font-size:24px;color:var(--paper);letter-spacing:3px}
.fb-slogan{color:var(--gold);font-size:13px;letter-spacing:3px;margin-top:4px}
.footer-cols{display:flex;gap:64px;flex-wrap:wrap}
.fcol{display:flex;flex-direction:column;gap:12px}
.fcol-h{color:var(--gold-bright);font-size:15px;letter-spacing:3px;margin-bottom:4px}
.fcol a{color:var(--text-dim);font-size:14px;letter-spacing:1px;transition:.3s}
.fcol a:hover{color:var(--gold-bright)}
.footer-bottom{border-top:1px solid var(--line);text-align:center;padding:22px;color:var(--text-dim);font-size:13px;letter-spacing:1px}

/* ===== 精简页脚（每页常驻） ===== */
.site-footer{background:var(--ink-2);border-top:1px solid var(--line)}
.sf-inner{max-width:1240px;margin:0 auto;padding:34px 28px 14px;display:flex;align-items:center;gap:18px;flex-wrap:wrap}
.site-footer .seal{display:inline-flex;align-items:center;justify-content:center;width:40px;height:40px;border-radius:8px;background:var(--vermillion);color:#fff;font-family:var(--kai);font-size:18px;line-height:1}
.sf-name{color:var(--text-dim);font-size:14px;letter-spacing:1px}
.sf-links{margin-left:auto;display:flex;gap:22px}
.sf-links a{color:var(--text-dim);font-size:14px;letter-spacing:1px;text-decoration:none;transition:.3s}
.sf-links a:hover{color:var(--gold-bright)}
.sf-copy{text-align:center;padding:0 28px 26px;color:var(--text-dim);font-size:12px;letter-spacing:1px;opacity:.8}

/* ===== 关于页 ===== */
.about-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;margin-top:18px}
.about-card{background:rgba(255,255,255,.03);border:1px solid var(--line);border-radius:12px;padding:28px 26px}
.about-card h3{font-family:var(--kai);font-size:24px;color:var(--gold-bright);letter-spacing:3px;margin-bottom:16px}
.about-card p{color:var(--text-dim);font-size:14px;line-height:1.9;margin-bottom:10px}
.about-card a{color:var(--gold);text-decoration:none;transition:.3s}
.about-card a:hover{color:var(--gold-bright)}
.about-tip{font-size:12px;opacity:.8;margin-top:8px}

/* ===== 购物车 ===== */
.cart-mask{position:fixed;inset:0;background:rgba(0,0,0,.6);z-index:60;opacity:0;visibility:hidden;transition:.3s}
.cart-mask.open{opacity:1;visibility:visible}
.cart-drawer{position:fixed;top:0;right:0;height:100%;width:380px;max-width:90vw;z-index:61;transform:translateX(100%);transition:.4s cubic-bezier(.4,0,.2,1)}
.cart-drawer.open{transform:translateX(0)}
.cart-panel{height:100%;background:var(--ink-2);border-left:1px solid var(--line);display:flex;flex-direction:column}
.cart-head{display:flex;justify-content:space-between;align-items:center;padding:22px 24px;border-bottom:1px solid var(--line)}
.cart-head h3{font-family:var(--kai);font-size:22px;color:var(--paper);letter-spacing:3px}
.cart-close{background:none;border:none;color:var(--text-dim);font-size:20px;cursor:pointer}
.cart-close:hover{color:var(--gold-bright)}
.cart-body{flex:1;overflow-y:auto;padding:18px 24px;display:flex;flex-direction:column;gap:14px}
.cart-empty{color:var(--text-dim);text-align:center;margin-top:40px;letter-spacing:2px}
.cart-item{display:flex;gap:14px;align-items:center;background:var(--ink-3);border:1px solid var(--line);border-radius:8px;padding:12px}
.ci-art{width:54px;height:54px;border-radius:6px;display:flex;align-items:center;justify-content:center;font-family:var(--kai);font-size:30px;color:var(--paper);flex:0 0 auto}
.ci-info{flex:1}
.ci-name{color:var(--paper);font-size:15px;letter-spacing:1px}
.ci-price{color:var(--gold-bright);font-size:14px;margin-top:2px}
.ci-qty{display:flex;align-items:center;gap:8px}
.qty-btn{width:24px;height:24px;border:1px solid var(--line);background:none;color:var(--paper);border-radius:4px;cursor:pointer;font-size:14px;line-height:1}
.qty-num{color:var(--paper);min-width:18px;text-align:center}
.ci-del{background:none;border:none;color:var(--text-dim);cursor:pointer;font-size:13px;margin-top:4px}
.ci-del:hover{color:var(--vermillion)}
.cart-foot{padding:20px 24px;border-top:1px solid var(--line)}
.cart-total{display:flex;justify-content:space-between;align-items:center;color:var(--paper);font-size:16px;letter-spacing:1px;margin-bottom:16px}
.cart-total span{font-family:var(--kai);font-size:26px;color:var(--gold-bright)}

/* ===== Toast ===== */
.toast{
  position:fixed;bottom:40px;left:50%;transform:translateX(-50%) translateY(20px);
  background:rgba(20,28,36,.96);border:1px solid var(--gold);color:var(--gold-bright);
  padding:13px 28px;border-radius:6px;font-size:15px;letter-spacing:2px;z-index:80;
  opacity:0;visibility:hidden;transition:.35s;box-shadow:0 10px 30px rgba(0,0,0,.5);
}
.toast.show{opacity:1;visibility:visible;transform:translateX(-50%) translateY(0)}

/* ===== 滚动揭示 ===== */
.reveal{opacity:0;transform:translateY(30px);transition:.8s cubic-bezier(.2,.7,.2,1)}
.reveal.in{opacity:1;transform:none}

/* ===== 账户 / 登录 / 多渠道绑定 ===== */
.icon-btn{background:none;border:none;color:var(--paper);cursor:pointer;display:flex;align-items:center;padding:6px;transition:.3s;margin-right:6px}
.icon-btn:hover{color:var(--gold-bright)}
.icon-btn.logged .acc-mini{display:flex}
.icon-btn .acc-mini{display:none;align-items:center;justify-content:center;width:26px;height:26px;border-radius:50%;background:linear-gradient(135deg,var(--gold-bright),var(--gold-deep));color:#1a120a;font-family:var(--kai);font-size:14px}
.modal-mask{position:fixed;inset:0;background:rgba(0,0,0,.6);z-index:62;opacity:0;visibility:hidden;transition:.3s}
.modal-mask.open{opacity:1;visibility:visible}
.account-modal{position:fixed;top:50%;left:50%;transform:translate(-50%,-46%);z-index:63;width:384px;max-width:92vw;max-height:90vh;overflow-y:auto;background:var(--ink-2);border:1px solid var(--line);border-radius:12px;padding:26px 26px 30px;opacity:0;visibility:hidden;transition:.35s;box-shadow:0 24px 60px rgba(0,0,0,.6)}
.account-modal.open{opacity:1;visibility:visible;transform:translate(-50%,-50%)}
.acc-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px}
.acc-head h3{font-family:var(--kai);font-size:24px;color:var(--paper);letter-spacing:3px}
.acc-close{background:none;border:none;color:var(--text-dim);font-size:20px;cursor:pointer}
.acc-close:hover{color:var(--gold-bright)}
.acc-tip{color:var(--text-dim);font-size:14px;letter-spacing:.5px;margin-bottom:18px;text-align:center}
.acc-field{margin-bottom:14px}
.acc-input{width:100%;padding:12px 14px;background:rgba(201,168,90,.07);border:1px solid var(--line);border-radius:6px;color:var(--paper);font-family:var(--serif);font-size:15px;outline:none}
.acc-input::placeholder{color:var(--text-dim)}
.acc-input:focus{border-color:var(--gold)}
.acc-code{display:flex;gap:10px}
.acc-code .acc-input{flex:1}
.acc-send{white-space:nowrap;background:rgba(201,168,90,.12);border:1px solid var(--gold);color:var(--gold-bright);border-radius:6px;padding:0 16px;font-size:13px;cursor:pointer;letter-spacing:1px}
.acc-send:disabled{opacity:.5;cursor:not-allowed}
.acc-divider{display:flex;align-items:center;gap:12px;color:var(--text-dim);font-size:12px;letter-spacing:2px;margin:22px 0 16px}
.acc-divider::before,.acc-divider::after{content:"";flex:1;height:1px;background:var(--line)}
.acc-social{display:flex;flex-direction:column;gap:10px}
.social-btn{padding:11px;border-radius:6px;color:#fff;font-size:15px;letter-spacing:2px;cursor:pointer;border:none;transition:.3s}
.social-btn:hover{filter:brightness(1.08)}
.social-btn.wx{background:#07c160}
.social-btn.qq{background:#12b7f5}
.social-btn.tb{background:#ff5000}
.acc-profile{display:flex;align-items:center;gap:14px;margin-bottom:18px}
.acc-avatar{width:52px;height:52px;border-radius:50%;background:linear-gradient(135deg,var(--gold-bright),var(--gold-deep));color:#1a120a;font-family:var(--kai);font-size:26px;display:flex;align-items:center;justify-content:center;flex:0 0 auto}
.acc-phone{color:var(--paper);font-size:18px;letter-spacing:1px}
.acc-sub{color:var(--jade);font-size:13px;margin-top:2px}
.bind-row{display:flex;align-items:center;gap:12px;padding:13px 4px;border-bottom:1px solid var(--line)}
.bind-icon{font-size:20px;width:26px;text-align:center}
.bind-label{flex:1;color:var(--paper);font-size:15px;letter-spacing:1px}
.bind-toggle{background:rgba(201,168,90,.12);border:1px solid var(--gold);color:var(--gold-bright);border-radius:20px;padding:6px 16px;font-size:13px;cursor:pointer;letter-spacing:1px;transition:.3s}
.bind-toggle.on{background:var(--gold);color:#1a120a;border-color:var(--gold)}
.acc-logout{margin-top:22px}
.acc-link{display:block;margin:12px auto 0;background:none;border:none;color:var(--gold);font-size:13px;letter-spacing:1px;cursor:pointer;text-decoration:underline}
.acc-link:hover{color:var(--gold-bright)}
.acc-binds{margin-top:4px}
.bind-tag{font-size:12px;letter-spacing:1px;color:var(--text-dim);border:1px solid var(--line);border-radius:14px;padding:3px 12px;white-space:nowrap}
.bind-note{margin:-8px 0 12px 38px;color:var(--text-dim);font-size:12px;letter-spacing:.5px}
.acc-err{color:var(--vermillion);font-size:13px;margin:-6px 0 12px;letter-spacing:.5px}
.acc-err:empty{display:none}
.acc-note{color:var(--text-dim);font-size:12px;letter-spacing:.5px;margin-top:16px;text-align:center;line-height:1.8}
.acc-note-top{margin:0 0 18px;font-size:13px;color:var(--gold)}
/* 账户中心独立页面（account.html）：已登录=铺满全屏两栏；未登录=窄卡居中 */
.account-page{max-width:none;padding:126px 34px 72px}
.acc-card{width:100%;max-width:none;margin:0 auto;background:transparent;border:none;padding:0;box-shadow:none}
.acc-card .acc-head{margin:0 0 20px}
.acc-card.compact{max-width:440px;margin:0 auto;background:var(--ink-2);border:1px solid var(--line);border-radius:14px;padding:30px 28px 34px;box-shadow:0 24px 60px rgba(0,0,0,.5)}
.acc-grid{display:grid;grid-template-columns:minmax(270px,340px) 1fr;gap:24px;align-items:start}
.acc-side,.acc-main{background:var(--ink-2);border:1px solid var(--line);border-radius:14px;padding:24px}
.acc-side{position:sticky;top:96px}
.acc-side .acc-profile{margin-bottom:16px}
.acc-main .acc-tabs{margin-top:0}
.acc-main .acc-panel{max-height:none}
.acc-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px}
.acc-actions .btn{flex:1;min-width:170px;margin:0}
@media(max-width:980px){
  .account-page{padding:104px 18px 48px}
  .acc-grid{grid-template-columns:1fr;gap:16px}
  .acc-side{position:static}
  .acc-side,.acc-main{padding:20px}
}
.acc-bind{margin:6px 0 14px;padding:14px;border:1px solid var(--line);border-radius:14px;background:rgba(201,168,90,.05)}
.bind-title{color:var(--gold-bright);letter-spacing:2px;font-size:14px;margin-bottom:10px}
.bind-line{display:flex;align-items:center;justify-content:space-between;padding:7px 2px;font-size:14px;color:var(--paper);letter-spacing:1px}
.bind-st{font-size:12px;letter-spacing:1px;color:var(--text-dim);border:1px solid var(--line);border-radius:14px;padding:3px 12px;white-space:nowrap}
.bind-st.on{color:#1a120a;background:var(--jade);border-color:var(--jade)}
.bind-acts{display:flex;flex-wrap:wrap;gap:10px;align-items:center;margin-top:6px}
.bind-ok{color:var(--jade);font-size:12px;letter-spacing:.5px}
.btn-sm{padding:7px 16px;font-size:13px;border-radius:22px}
#accBindForm{margin-top:12px}
#accBindForm .acc-field{margin-bottom:10px}

/* ===== 响应式 ===== */
@media(max-width:920px){
  .product-grid{grid-template-columns:repeat(2,1fr)}
  .couplet{gap:18px}
  .couplet-col{font-size:30px}
}
@media(max-width:640px){
  .nav-links{display:none}
  .hero-content{flex-direction:column;align-items:flex-start;gap:24px}
  .hero-seal-col{flex-direction:row}
  .vseal{width:44px;height:44px;font-size:22px}
  .product-grid{grid-template-columns:1fr}
  .couplet{flex-direction:column;align-items:center;gap:26px}
  .couplet-col{flex-direction:row}
  .section{padding:80px 20px}
}

/* ===== 客服入口 ===== */
.cs-fab{
  position:fixed;right:26px;bottom:30px;z-index:58;
  display:flex;align-items:center;gap:8px;
  background:linear-gradient(135deg,var(--gold-bright),var(--gold-deep));
  color:#1a120a;border:none;border-radius:30px;padding:12px 20px;
  font-family:var(--serif);font-size:15px;letter-spacing:2px;cursor:pointer;
  box-shadow:0 8px 26px rgba(201,168,90,.4);transition:.3s;
}
.cs-fab:hover{transform:translateY(-3px);box-shadow:0 12px 32px rgba(201,168,90,.55)}
.cs-badge{
  position:absolute;top:-7px;right:-7px;min-width:18px;height:18px;padding:0 5px;
  border-radius:9px;background:var(--vermillion);color:#fff;font-size:11px;font-weight:600;
  display:none;align-items:center;justify-content:center;font-family:var(--serif);line-height:1;
  box-shadow:0 0 0 2px var(--ink-2);pointer-events:none;z-index:2;
}
.cs-modal{position:fixed;top:50%;left:50%;transform:translate(-50%,-46%);z-index:63;width:420px;max-width:92vw;background:var(--ink-2);border:1px solid var(--line);border-radius:12px;padding:24px 26px 28px;opacity:0;visibility:hidden;transition:.35s;box-shadow:0 24px 60px rgba(0,0,0,.6);max-height:88vh;overflow-y:auto}
.cs-modal.open{opacity:1;visibility:visible;transform:translate(-50%,-50%)}
.cs-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:18px}
.cs-head h3{font-family:var(--kai);font-size:22px;color:var(--paper);letter-spacing:3px}
.cs-close{background:none;border:none;color:var(--text-dim);font-size:20px;cursor:pointer}
.cs-close:hover{color:var(--gold-bright)}
.cs-card{background:var(--ink-3);border:1px solid var(--line);border-radius:8px;padding:16px 18px;display:flex;flex-direction:column;gap:12px}
.cs-line{color:var(--text);font-size:15px;letter-spacing:.5px;display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.cs-line b{color:var(--gold-bright);font-weight:600}
.cs-ico{font-size:18px}
.cs-copy{background:rgba(201,168,90,.12);border:1px solid var(--gold);color:var(--gold-bright);border-radius:4px;padding:3px 10px;font-size:12px;cursor:pointer;letter-spacing:1px}
.cs-copy:hover{background:var(--gold);color:#1a120a}
a.cs-copy{text-decoration:none;display:inline-block}   /* 「QQ 咨询」外链按钮 */
.cs-qq{background:rgba(201,168,90,.22)}
.cs-tip{color:var(--text-dim);font-size:13px;line-height:1.9;margin-top:16px;letter-spacing:.5px}

/* 在线客服实时会话 */
.cs-chat{flex-direction:column;gap:10px}
.cs-thread{max-height:220px;overflow-y:auto;display:flex;flex-direction:column;gap:8px;background:var(--ink-2);border:1px solid var(--line);border-radius:8px;padding:10px}
.cs-empty{color:var(--text-dim);font-size:13px;text-align:center;margin:auto;letter-spacing:.5px}
.cs-msg{display:flex;flex-direction:column;gap:3px;max-width:88%}
.cs-msg.visitor{align-self:flex-start}
.cs-msg.agent{align-self:flex-end;text-align:right}
.cs-msg-meta{font-size:11px;color:var(--text-dim);letter-spacing:.5px}
.cs-msg-text{background:var(--ink-3);border:1px solid var(--line);border-radius:8px;padding:7px 10px;font-size:14px;color:var(--text);line-height:1.6;white-space:pre-wrap;word-break:break-word}
.cs-msg.agent .cs-msg-text{background:rgba(201,168,90,.16);border-color:rgba(201,168,90,.4);color:var(--paper)}
.cs-input{width:100%;background:var(--ink-2);border:1px solid var(--line);border-radius:6px;padding:8px 10px;color:var(--text);font-size:13px;font-family:var(--serif);resize:none}
.cs-input::placeholder{color:var(--text-dim)}
.cs-send{align-self:flex-end;background:var(--gold);color:#1a120a;border:none;border-radius:6px;padding:7px 18px;font-size:13px;letter-spacing:1px;cursor:pointer}
.cs-send:hover{filter:brightness(1.08)}
/* 客服会话工作台 */
.cs-desk-list{display:flex;flex-direction:column;gap:10px}
.cs-thread-item{background:var(--ink-3);border:1px solid var(--line);border-radius:8px;padding:12px;cursor:pointer;transition:.25s}
.cs-thread-item:hover{border-color:var(--gold)}
.cs-thread-top{display:flex;justify-content:space-between;align-items:center;color:var(--paper);font-size:14px;letter-spacing:1px}
.cs-thread-time{color:var(--text-dim);font-size:11px}
.cs-thread-prev{color:var(--text);font-size:13px;margin:6px 0;line-height:1.6;max-height:42px;overflow:hidden}
.cs-thread-meta{color:var(--text-dim);font-size:12px}
.cs-thread-detail{max-height:42vh;margin:10px 0}

/* ===== 账户中心（tabs / 订单 / 地址 / 收藏） ===== */
.acc-tabs{display:flex;flex-wrap:wrap;gap:8px;margin:16px 0 18px}
.acc-tab{background:rgba(201,168,90,.06);border:1px solid var(--line);color:var(--text-dim);border-radius:20px;padding:7px 14px;font-size:13px;letter-spacing:1px;cursor:pointer;transition:.25s}
.acc-tab:hover{color:var(--gold-bright)}
.acc-tab.active{background:var(--gold);color:#1a120a;border-color:var(--gold)}
.acc-panel{max-height:48vh;overflow-y:auto;display:flex;flex-direction:column;gap:12px;padding-right:4px}
.acc-empty{color:var(--text-dim);text-align:center;margin:30px 0;letter-spacing:2px;font-size:14px}
.acc-linkbtn{display:inline-block;margin:6px auto 0;background:none;border:none;color:var(--gold);font-size:13px;letter-spacing:1px;cursor:pointer;text-decoration:underline}
.acc-linkbtn:hover{color:var(--gold-bright)}

/* 订单卡 */
.order-card{background:var(--ink-3);border:1px solid var(--line);border-radius:8px;padding:14px}
.order-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:10px}
.order-no{color:var(--text-dim);font-size:12px;letter-spacing:1px}
.order-status{font-size:12px;letter-spacing:1px;padding:3px 10px;border-radius:12px;border:1px solid var(--line)}
.st-pending_payment{color:var(--vermillion);border-color:rgba(184,65,47,.5)}
.st-to_ship{color:var(--gold-bright);border-color:rgba(201,168,90,.5)}
.st-to_receive{color:var(--jade);border-color:rgba(111,174,155,.5)}
.st-refunding,.st-refunded{color:var(--text-dim)}
.order-item{display:flex;justify-content:space-between;color:var(--text);font-size:14px;padding:5px 0;border-bottom:1px dashed rgba(201,168,90,.14)}
.order-item .oi-custom{color:var(--jade);font-size:12px}
.order-foot{display:flex;justify-content:space-between;align-items:center;margin-top:10px}
.order-total{color:var(--gold-bright);font-family:var(--kai);font-size:18px}
.order-pay{background:var(--gold);color:#1a120a;border:none;border-radius:5px;padding:7px 16px;font-size:13px;cursor:pointer;letter-spacing:1px}
.order-pay:hover{filter:brightness(1.08)}
.order-act{background:rgba(201,168,90,.12);border:1px solid var(--gold);color:var(--gold-bright);border-radius:5px;padding:7px 14px;font-size:13px;cursor:pointer;letter-spacing:1px}
.order-act:hover{background:var(--gold);color:#1a120a}
.order-addr{margin-top:8px;color:var(--text-dim);font-size:12px;letter-spacing:.5px}
.order-logistics{margin-top:10px;padding:10px 12px;background:rgba(111,174,155,.08);border:1px solid rgba(111,174,155,.28);border-radius:7px}
.ol-line{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text)}
.ol-label{flex:0 0 auto;color:var(--jade);font-size:12px;letter-spacing:1px;padding:2px 8px;border:1px solid rgba(111,174,155,.5);border-radius:10px}
.ol-val{color:var(--text);letter-spacing:.5px}
.ol-acts{display:flex;gap:8px;margin-top:9px;flex-wrap:wrap}
.ol-copy,.ol-track{text-decoration:none;background:rgba(201,168,90,.12);border:1px solid var(--gold);color:var(--gold-bright);border-radius:5px;padding:6px 13px;font-size:12px;cursor:pointer;letter-spacing:1px;display:inline-block}
.ol-copy:hover,.ol-track:hover{background:var(--gold);color:#1a120a}
.track-mask{position:fixed;inset:0;background:rgba(0,0,0,.62);display:none;align-items:center;justify-content:center;z-index:9999}
.track-modal{width:min(92vw,460px);max-height:80vh;overflow:auto;background:var(--ink-3);border:1px solid var(--gold);border-radius:10px;padding:16px 18px;box-shadow:0 18px 50px rgba(0,0,0,.5)}
.track-head{display:flex;justify-content:space-between;align-items:center;color:var(--paper);font-size:16px;letter-spacing:2px;margin-bottom:12px}
.track-close{background:none;border:none;color:var(--text-dim);font-size:22px;line-height:1;cursor:pointer;padding:0 4px}
.track-close:hover{color:var(--gold-bright)}
.track-body{color:var(--text);font-size:14px}
.track-loading{color:var(--text-dim);padding:18px 0;text-align:center;letter-spacing:1px}
.track-err{color:var(--vermillion);padding:10px 0;line-height:1.7}
.track-err a{color:var(--gold);text-decoration:none}
.track-err a:hover{color:var(--gold-bright)}
.tl{list-style:none;margin:0 0 0 6px;padding:0;border-left:2px solid rgba(111,174,155,.4)}
.tl li{position:relative;padding:0 0 16px 18px}
.tl li:before{content:'';position:absolute;left:-7px;top:4px;width:10px;height:10px;border-radius:50%;background:var(--jade);box-shadow:0 0 0 3px rgba(111,174,155,.18)}
.tl li:first-child:before{background:var(--gold);box-shadow:0 0 0 3px rgba(201,168,90,.22)}
.tl .tl-time{color:var(--text-dim);font-size:12px;letter-spacing:.5px}
.tl .tl-ctx{color:var(--text);margin-top:3px;line-height:1.6}
.tl .tl-loc{color:var(--jade);font-size:12px;margin-top:2px}
.ord-search{display:flex;gap:8px;margin-bottom:12px}
.ord-search .acc-input{flex:1}
.ord-search #ordRefresh,#mchOrdSearch{padding:7px 14px}

/* 地址 */
.addr-card{background:var(--ink-3);border:1px solid var(--line);border-radius:8px;padding:13px 15px}
.addr-main{color:var(--text);font-size:15px}
.addr-main b{color:var(--paper)}
.addr-detail{color:var(--text-dim);font-size:13px;margin-top:4px;letter-spacing:.5px}
.addr-acts{display:flex;gap:14px;margin-top:9px}
.addr-acts button{background:none;border:none;color:var(--gold);font-size:13px;cursor:pointer;letter-spacing:1px}
.addr-acts button:hover{color:var(--gold-bright)}
.addr-tag{font-size:11px;color:#1a120a;background:var(--gold-bright);padding:2px 8px;border-radius:10px;margin-left:8px}
.addr-form{display:flex;flex-direction:column;gap:10px;margin-top:6px}
.addr-form input{width:100%;padding:10px 12px;background:rgba(201,168,90,.07);border:1px solid var(--line);border-radius:6px;color:var(--paper);font-family:var(--serif);font-size:14px;outline:none}
.addr-form input:focus{border-color:var(--gold)}

/* 收藏 */
.fav-card{display:flex;gap:12px;background:var(--ink-3);border:1px solid var(--line);border-radius:8px;padding:10px;align-items:center}
.fav-art{width:62px;height:62px;border-radius:6px;background-size:cover;background-position:center;background-color:var(--ink-3);flex:0 0 auto}
.fav-info{flex:1}
.fav-name{color:var(--paper);font-size:15px;letter-spacing:1px}
.fav-price{color:var(--gold-bright);font-family:var(--kai);font-size:18px;margin-top:3px}
.fav-add{background:rgba(201,168,90,.12);border:1px solid var(--gold);color:var(--gold-bright);border-radius:5px;padding:7px 14px;font-size:13px;cursor:pointer;letter-spacing:1px;white-space:nowrap}
.fav-add:hover{background:var(--gold);color:#1a120a}
.fav-remove{background:none;border:none;color:var(--text-dim);cursor:pointer;font-size:12px;margin-top:4px}
.fav-remove:hover{color:var(--vermillion)}

/* 支付方式卡 */
.pay-card{display:flex;align-items:center;gap:14px;background:var(--ink-3);border:1px solid var(--line);border-radius:8px;padding:14px 16px}
.pay-ico{width:42px;height:42px;border-radius:8px;display:flex;align-items:center;justify-content:center;font-size:22px;color:#fff}
.pay-ico.wx{background:#07c160}
.pay-ico.ali{background:#1677ff}
.pay-name{color:var(--paper);font-size:16px;letter-spacing:1px}
.pay-note{color:var(--text-dim);font-size:12px;margin-top:3px;letter-spacing:.5px}

/* 商品卡收藏按钮 */
.pc-fav{position:absolute;top:12px;right:12px;z-index:4;width:34px;height:34px;border-radius:50%;border:none;background:rgba(0,0,0,.4);color:#fff;font-size:18px;cursor:pointer;transition:.25s;display:flex;align-items:center;justify-content:center}
.pc-fav:hover{background:rgba(184,65,47,.85)}
.pc-fav.on{background:var(--vermillion);color:#fff}

/* ===== 结算弹窗 ===== */
.checkout-modal{position:fixed;top:50%;left:50%;transform:translate(-50%,-46%);z-index:63;width:460px;max-width:94vw;max-height:90vh;overflow-y:auto;background:var(--ink-2);border:1px solid var(--line);border-radius:12px;padding:24px 26px 28px;opacity:0;visibility:hidden;transition:.35s;box-shadow:0 24px 60px rgba(0,0,0,.6)}
.checkout-modal.open{opacity:1;visibility:visible;transform:translate(-50%,-50%)}
.ck-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px}
.ck-head h3{font-family:var(--kai);font-size:22px;color:var(--paper);letter-spacing:3px}
.ck-close{background:none;border:none;color:var(--text-dim);font-size:20px;cursor:pointer}
.ck-close:hover{color:var(--gold-bright)}
.ck-sec{color:var(--gold-bright);font-size:15px;letter-spacing:3px;margin:18px 0 12px;padding-bottom:8px;border-bottom:1px solid var(--line)}
.ck-addr{display:flex;flex-direction:column;gap:8px}
.ck-addr-item{display:flex;gap:10px;align-items:flex-start;background:var(--ink-3);border:1px solid var(--line);border-radius:7px;padding:11px 13px;cursor:pointer}
.ck-addr-item.sel{border-color:var(--gold);background:rgba(201,168,90,.1)}
.ck-addr-item input{margin-top:4px}
.ck-addr-name{color:var(--paper);font-size:14px}
.ck-addr-detail{color:var(--text-dim);font-size:13px;margin-top:2px;letter-spacing:.5px}
.ck-add{background:none;border:1px dashed var(--gold);color:var(--gold-bright);border-radius:6px;padding:10px;font-size:13px;letter-spacing:1px;cursor:pointer;margin-top:6px}
.ck-add:hover{background:rgba(201,168,90,.1)}
.ck-form{display:flex;flex-direction:column;gap:9px;margin-top:10px}
.ck-form input{width:100%;padding:10px 12px;background:rgba(201,168,90,.07);border:1px solid var(--line);border-radius:6px;color:var(--paper);font-family:var(--serif);font-size:14px;outline:none}
.ck-form input:focus{border-color:var(--gold)}
.ck-form textarea{width:100%;padding:10px 12px;background:rgba(201,168,90,.07);border:1px solid var(--line);border-radius:6px;color:var(--paper);font-family:var(--serif);font-size:14px;outline:none;resize:vertical}
.ck-form textarea:focus{border-color:var(--gold)}
.ck-form .ck-smart{min-height:58px;line-height:1.5}
.ck-pay{display:flex;gap:12px}
.pay-opt{flex:1;display:flex;align-items:center;justify-content:center;gap:8px;background:var(--ink-3);border:1px solid var(--line);border-radius:7px;padding:14px;color:var(--paper);font-size:15px;letter-spacing:1px;cursor:pointer;transition:.25s}
.pay-opt.on{border-color:var(--gold);background:rgba(201,168,90,.12)}
.pay-opt .pdot{width:9px;height:9px;border-radius:50%;background:var(--text-dim)}
.pay-opt.on .pdot{background:var(--gold-bright)}
.ck-sum{display:flex;justify-content:space-between;align-items:center;color:var(--paper);font-size:16px;letter-spacing:1px;margin:20px 0 14px}
.ck-sum span{font-family:var(--kai);font-size:26px;color:var(--gold-bright)}

/* ===== 商家中心 ===== */
.merchant-modal{position:fixed;top:50%;left:50%;transform:translate(-50%,-46%);z-index:63;width:560px;max-width:94vw;max-height:92vh;overflow-y:auto;background:var(--ink-2);border:1px solid var(--line);border-radius:12px;padding:24px 26px 28px;opacity:0;visibility:hidden;transition:.35s;box-shadow:0 24px 60px rgba(0,0,0,.6)}
.merchant-modal.open{opacity:1;visibility:visible;transform:translate(-50%,-50%)}
.mch-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:18px}
.mch-head h3{font-family:var(--kai);font-size:24px;color:var(--paper);letter-spacing:3px}
.mch-close{background:none;border:none;color:var(--text-dim);font-size:20px;cursor:pointer}
.mch-close:hover{color:var(--gold-bright)}
.mch-body{display:flex;flex-direction:column}
.mch-setup{display:flex;flex-direction:column;align-items:center;gap:14px;padding:34px 14px;text-align:center}
.mch-title{font-family:var(--kai);font-size:20px;color:var(--gold-bright);letter-spacing:2px}
.mch-sub{color:var(--text-dim);font-size:14px;letter-spacing:.5px;line-height:1.9;max-width:380px}
.mch-tabs{display:flex;flex-wrap:wrap;gap:8px;margin:12px 0 18px}
.mch-panel{max-height:62vh;overflow-y:auto;display:flex;flex-direction:column;gap:12px;padding-right:4px}
.mch-acts{display:flex;gap:8px;flex-wrap:wrap}
.mch-prod{display:flex;gap:12px;align-items:center;background:var(--ink-3);border:1px solid var(--line);border-radius:8px;padding:12px 14px}
.mch-prod-main{flex:1;color:var(--paper);font-size:14px;letter-spacing:.5px;line-height:1.7}
.mch-prod-acts{display:flex;gap:8px;flex-wrap:wrap}
.mch-stat{display:flex;justify-content:space-between;align-items:center;background:var(--ink-3);border:1px solid var(--line);border-radius:8px;padding:14px 18px}
.mch-stat span{color:var(--text-dim);font-size:14px;letter-spacing:1px}
.mch-stat b{color:var(--gold-bright);font-family:var(--serif);font-size:20px;font-weight:600}
.mch-led{display:flex;flex-wrap:wrap;align-items:center;gap:10px;background:var(--ink-3);border:1px solid var(--line);border-radius:8px;padding:11px 14px}
.mch-led-type{font-size:12px;letter-spacing:1px;color:#1a120a;background:var(--gold);border-radius:10px;padding:3px 10px}
.mch-led-type.t-refund{background:var(--vermillion);color:#fff}
.mch-led-type.t-expense{background:var(--text-dim);color:#1a120a}
.mch-led-amt{color:var(--paper);font-size:15px;font-weight:600;min-width:92px}
.mch-led-meta{color:var(--text-dim);font-size:13px;letter-spacing:.5px;flex:1;min-width:140px}
.mch-led-time{color:var(--text-dim);font-size:12px;letter-spacing:.5px;width:100%}
.mch-check{color:var(--paper);font-size:14px;letter-spacing:1px;display:flex;align-items:center;gap:8px;cursor:pointer}
.mch-check input{width:16px;height:16px;accent-color:var(--gold)}
.addr-form textarea{width:100%;min-height:78px;padding:10px 12px;background:rgba(201,168,90,.07);border:1px solid var(--line);border-radius:6px;color:var(--paper);font-family:var(--serif);font-size:14px;outline:none;resize:vertical}
.addr-form textarea:focus{border-color:var(--gold)}
/* 商品图片上传 */
.mch-img-upload{display:flex;flex-direction:column;gap:8px}
.mch-img-label{font-size:13px;color:var(--paper);opacity:.82;letter-spacing:1px}
.mch-img-upload input[type=file]{width:100%;padding:9px 12px;background:rgba(201,168,90,.07);border:1px dashed var(--gold);border-radius:6px;color:var(--paper);font-family:var(--serif);font-size:14px;outline:none;cursor:pointer}
.mch-img-upload input[type=file]::file-selector-button{margin-right:10px;padding:6px 12px;border:none;border-radius:5px;background:linear-gradient(135deg,var(--gold-bright),var(--gold-deep));color:var(--ink);font-family:var(--serif);font-size:13px;cursor:pointer}
.mch-img-preview{min-height:96px;border-radius:10px;overflow:hidden;background:rgba(255,255,255,.04);border:1px solid rgba(201,168,90,.18);display:flex;align-items:center;justify-content:center}
.mch-img-preview img{max-width:100%;max-height:220px;display:block}
.mch-img-hint{color:var(--paper);opacity:.45;font-size:13px}
.addr-form select{width:100%;padding:10px 34px 10px 12px;background-color:rgba(201,168,90,.07);background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%23c9a85a' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'><path d='M6 9l6 6 6-6'/></svg>");background-repeat:no-repeat;background-position:right 12px center;border:1px solid var(--line);border-radius:6px;color:var(--paper);font-family:var(--serif);font-size:14px;outline:none;appearance:none;-webkit-appearance:none;-moz-appearance:none;cursor:pointer}
.addr-form select:focus{border-color:var(--gold)}
.addr-form select option{background:var(--ink-2);color:var(--paper)}

/* ====== 商家端页面（落地页 + 管理后台） ====== */
.mch-landing{position:relative;min-height:100vh;display:flex;align-items:center;justify-content:center;overflow:hidden;background:radial-gradient(120% 120% at 50% 0%,#16201c 0%,#0b0f12 60%,#080a0c 100%)}
.mch-landing-bg{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.28}
.mch-landing-overlay{position:absolute;inset:0;background:linear-gradient(180deg,rgba(8,10,12,.45),rgba(8,10,12,.85))}
.mch-landing-inner{position:relative;z-index:2;text-align:center;max-width:780px;padding:140px 24px 80px}
.mch-title-big{font-family:var(--kai);font-size:clamp(40px,6vw,64px);color:var(--paper);letter-spacing:10px;margin:8px 0 14px;text-shadow:0 0 30px rgba(201,168,90,.25)}
.mch-landing .hero-poem{margin-left:auto;margin-right:auto}
.mch-landing .hero-sub{margin-bottom:0}
.mch-landing .hero-actions{margin-top:34px}
.mch-pact{display:flex;gap:16px;justify-content:center;flex-wrap:wrap;margin-top:46px}
.pact-card{background:rgba(201,168,90,.06);border:1px solid var(--line);border-radius:14px;padding:18px 26px;min-width:128px;transition:.3s}
.pact-card:hover{border-color:var(--gold);transform:translateY(-3px);background:rgba(201,168,90,.1)}
.pact-card b{display:block;font-family:var(--serif);font-size:26px;color:var(--gold-bright);letter-spacing:1px}
.pact-card span{color:var(--text-dim);font-size:13px;letter-spacing:1px}

.mch-dashboard{max-width:1120px;margin:0 auto;padding:120px 24px 90px}
.mch-dash-head{display:flex;justify-content:space-between;align-items:flex-end;gap:20px;margin-bottom:26px;padding-bottom:18px;border-bottom:1px solid var(--line)}
.mch-dash-head h2{font-family:var(--kai);font-size:34px;color:var(--paper);letter-spacing:4px}
.mch-dash-sub{color:var(--text-dim);font-size:14px;letter-spacing:1px;margin-top:4px}
.mch-dash-acts{display:flex;gap:10px;flex-wrap:wrap}
.mch-dashboard .mch-tabs{margin-top:0}
.mch-dashboard .mch-panel{max-height:none;padding-right:0}
.mch-dashboard .mch-body{display:flex;flex-direction:column}

/* ===== 响应式：关于页 / 精简页脚 ===== */
@media(max-width:760px){
  .about-grid{grid-template-columns:1fr}
  .sf-inner{flex-direction:column;align-items:flex-start;gap:12px}
  .sf-links{margin-left:0}
}