/* ============================================================
   未来边界 · Future Frontier  —  浅色高端设计系统
   暖白底 / 金线点缀 / 衬线大标题 / 大气留白 / 克制动效
   ============================================================ */
:root{
  --bg:#FCFBF8;          /* 暖白主底 */
  --bg-2:#F6F3EC;        /* 次级浅米 */
  --paper:#FFFFFF;
  --ink:#1A1814;         /* 主文字 近黑 */
  --ink-2:#454038;
  --ink-3:#807767;
  --ink-4:#ABA290;
  --line:#ECE7DB;
  --line-2:#F3EFE5;
  --gold:#B8935A;
  --gold-deep:#8E6E3F;
  --gold-soft:#E7D6B4;
  --gold-tint:#FBF5E9;
  --leaf:#3F5B45;
  --rose:#9C3B3B;
  --ink-dark:#16140F;    /* 深色区块底 */
  --shadow:0 24px 60px -30px rgba(60,48,24,.28);
  --shadow-sm:0 12px 30px -18px rgba(60,48,24,.22);
  --maxw:1200px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  background:var(--bg);color:var(--ink);
  font-family:"Inter","PingFang SC","Microsoft YaHei","Hiragino Sans GB",sans-serif;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
  font-feature-settings:"tnum","ss01";line-height:1.75;font-size:16.5px;min-height:100vh;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.serif{font-family:"Noto Serif SC","Source Han Serif CN","Songti SC",serif;letter-spacing:.02em}
.mono{font-family:ui-monospace,"SF Mono","JetBrains Mono",Menlo,Consolas,monospace;font-variant-numeric:tabular-nums}
.num{font-variant-numeric:tabular-nums}
h1,h2,h3,h4{font-family:"Noto Serif SC","Source Han Serif CN",serif;font-weight:500;letter-spacing:.02em;color:var(--ink)}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 40px}
.muted{color:var(--ink-3)}
/* 科技感小标：等宽 + 前缀编号线，字号放大 */
.eyebrow{font-family:ui-monospace,"SF Mono",Menlo,Consolas,monospace;font-size:13px;letter-spacing:.22em;
  color:var(--gold-deep);text-transform:uppercase;font-weight:600;display:inline-flex;align-items:center;gap:12px}
.eyebrow::before{content:"";width:34px;height:2px;background:linear-gradient(90deg,var(--gold-deep),var(--gold-soft));display:inline-block}
/* 极淡科技网格背景，用于 hero / 深色区 */
.grid-bg{position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(var(--line-2) 1px,transparent 1px),linear-gradient(90deg,var(--line-2) 1px,transparent 1px);
  background-size:54px 54px;mask-image:radial-gradient(120% 90% at 50% 0%,#000 35%,transparent 78%);
  -webkit-mask-image:radial-gradient(120% 90% at 50% 0%,#000 35%,transparent 78%);opacity:.7}
.block.dark .grid-bg,.cta-band .grid-bg{
  background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);opacity:1}

/* ============ TOPBAR 通知条 ============ */
.topbar{background:var(--ink-dark);color:#F4EFE3;text-align:center;font-size:13.5px;
  padding:9px 20px;letter-spacing:.02em;line-height:1.5}
.topbar::before{content:"●";color:var(--gold);margin-right:8px;font-size:9px;vertical-align:middle}

/* ============ 生态社区 / 联系我们 ============ */
.venue-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.venue-grid figure{position:relative;border:1px solid var(--line);overflow:hidden;border-radius:3px}
.venue-grid img{width:100%;height:360px;object-fit:cover;transition:transform .5s}
.venue-grid figure:hover img{transform:scale(1.04)}
.venue-grid figcaption{position:absolute;left:0;right:0;bottom:0;padding:18px 22px;font-size:14px;color:#fff;
  background:linear-gradient(transparent,rgba(0,0,0,.78))}
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;align-items:stretch}
.contact-card{background:var(--paper);border:1px solid var(--line);padding:36px 34px;box-shadow:var(--shadow-sm)}
.contact-card.gold{border-top:3px solid var(--gold-deep)}
.contact-card h3{font-size:22px;margin-bottom:18px}
.contact-card .crow{display:flex;gap:14px;padding:13px 0;border-bottom:1px solid var(--line-2);font-size:15px}
.contact-card .crow:last-child{border:none}
.contact-card .crow .ck{font-family:ui-monospace,Menlo,Consolas,monospace;font-size:12px;letter-spacing:.1em;color:var(--gold-deep);min-width:58px;padding-top:2px}
.contact-card .crow b{color:var(--ink)}
.contact-card .phone{font-size:30px;font-family:"Noto Serif SC",serif;color:var(--gold-deep);letter-spacing:.02em}
.contact-card .qrwrap{display:flex;gap:22px;align-items:center}
.contact-card .qrwrap img{width:140px;height:140px;object-fit:cover;border:1px solid var(--line);padding:6px;background:#fff}
@media(max-width:860px){.venue-grid,.contact-grid{grid-template-columns:1fr}}

/* ============ NAV ============ */
.nav{position:sticky;top:0;z-index:60;background:rgba(252,251,248,.82);
  backdrop-filter:saturate(1.5) blur(16px);-webkit-backdrop-filter:saturate(1.5) blur(16px);
  border-bottom:1px solid var(--line)}
.nav-inner{max-width:var(--maxw);margin:0 auto;padding:16px 40px;display:flex;align-items:center;justify-content:space-between;gap:28px}
.brand{display:flex;align-items:center;gap:13px}
.brand img{height:30px;filter:contrast(1.05)}
.brand .tag{font-size:9.5px;letter-spacing:.3em;color:var(--ink-3);text-transform:uppercase;padding-left:13px;border-left:1px solid var(--line);font-weight:700}
.nav-links{display:flex;gap:30px;font-size:14.5px;color:var(--ink-2);letter-spacing:.02em}
.nav-links a{position:relative;padding:6px 0;transition:color .2s}
.nav-links a::after{content:"";position:absolute;left:0;bottom:0;width:0;height:1px;background:var(--gold-deep);transition:width .25s}
.nav-links a:hover{color:var(--gold-deep)}
.nav-links a:hover::after{width:100%}
.nav-right{display:flex;align-items:center;gap:14px}
.nav-toggle{display:none;width:42px;height:38px;border:1px solid var(--line);background:var(--paper);
  cursor:pointer;flex-direction:column;align-items:center;justify-content:center;gap:4px;border-radius:3px;padding:0}
.nav-toggle span{width:18px;height:2px;background:var(--ink);display:block;transition:.2s}
.nav-toggle.on span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.nav-toggle.on span:nth-child(2){opacity:0}
.nav-toggle.on span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}
@media(max-width:860px){
  .nav-toggle{display:flex}
  .nav-links{display:none;position:absolute;top:100%;left:0;right:0;flex-direction:column;gap:0;
    background:var(--paper);border-bottom:1px solid var(--line);box-shadow:var(--shadow-sm);padding:6px 0}
  .nav-links.open{display:flex}
  .nav-links a{padding:14px 32px;font-size:15.5px;border-bottom:1px solid var(--line-2)}
  .nav-links a:last-child{border-bottom:none}
  .nav-links a::after{display:none}
}

/* ============ BUTTONS ============ */
.btn{display:inline-flex;align-items:center;gap:9px;padding:13px 26px;font-size:13.5px;letter-spacing:.06em;
  font-weight:500;border:1px solid var(--ink);cursor:pointer;transition:all .22s ease;background:var(--ink);color:#F6F1E6;
  font-family:inherit}
.btn::after{content:"→";transition:transform .22s}
.btn:hover{background:var(--gold-deep);border-color:var(--gold-deep)}
.btn:hover::after{transform:translateX(4px)}
.btn.ghost{background:transparent;color:var(--ink);border-color:var(--line)}
.btn.ghost:hover{background:var(--paper);border-color:var(--ink);color:var(--ink)}
.btn.ghost::after{content:"→"}
.btn.gold{background:var(--gold-deep);border-color:var(--gold-deep)}
.btn.lg{padding:16px 34px;font-size:14.5px}
.btn.block{width:100%;justify-content:center}
.btn.plain::after{content:""}
.btn:disabled{opacity:.55;cursor:not-allowed}
.btn-row{display:flex;gap:16px;flex-wrap:wrap;margin-top:38px}

/* ============ HERO ============ */
.hero{position:relative;overflow:hidden;padding:120px 0 116px}
.hero::before{content:"";position:absolute;inset:0;pointer-events:none;background:
  radial-gradient(880px 380px at 14% -4%, rgba(184,147,90,.13), transparent 68%),
  radial-gradient(720px 380px at 90% 96%, rgba(184,147,90,.08), transparent 70%)}
.hero-inner{position:relative;z-index:1;max-width:var(--maxw);margin:0 auto;padding:0 40px}
.hero h1{font-size:clamp(42px,6vw,70px);line-height:1.16;margin-top:26px;max-width:15ch;font-weight:600}
.hero h1 .accent{color:var(--gold-deep);font-weight:700}
.hero .sub{font-size:18.5px}
.hero .sub{margin-top:30px;max-width:660px;font-size:17px;line-height:2;color:var(--ink-2)}
.hero .sub b{color:var(--ink);font-weight:600}
.hero-meta{margin-top:64px;display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--line);padding-top:34px}
.hero-meta>div{padding-right:28px;border-right:1px solid var(--line)}
.hero-meta>div:last-child{border-right:none}
.hero-meta .k{font-family:ui-monospace,Menlo,Consolas,monospace;font-size:13px;letter-spacing:.12em;text-transform:uppercase;color:var(--ink-3);font-weight:600;margin-bottom:12px}
.hero-meta .v{font-size:30px;font-family:"Noto Serif SC",serif;color:var(--ink)}
.hero-meta .v small{font-size:14.5px;color:var(--ink-3);margin-left:7px;font-family:inherit}
@media(max-width:760px){.hero-meta{grid-template-columns:repeat(2,1fr);gap:26px}.hero-meta>div{border-right:none}}

/* ============ SECTION ============ */
section.block{padding:108px 0;position:relative}
section.block.paper{background:var(--paper)}
section.block.tint{background:var(--bg-2)}
section.block.dark{background:var(--ink-dark);color:#EDE7D8}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:46px;flex-wrap:wrap;margin-bottom:56px}
.section-head h2{font-size:clamp(28px,3.6vw,42px);line-height:1.22;max-width:18ch}
.section-head h2 .nt{display:block;font-family:ui-monospace,"SF Mono",Menlo,Consolas,monospace;font-size:12.5px;color:var(--gold-deep);
  letter-spacing:.22em;text-transform:uppercase;font-weight:600;margin-bottom:18px}
.section-head .lede{max-width:400px;font-size:16px;color:var(--ink-2);line-height:1.95}
.block.dark .section-head h2{color:#F4EFE3}
.block.dark .section-head .lede{color:#C7BFAE}
.block.dark .eyebrow{color:var(--gold-soft)}

/* ============ PAIN / 痛点 ============ */
.pain-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line)}
.pain{background:var(--paper);padding:34px 30px;transition:background .2s,box-shadow .2s;position:relative}
.pain:hover{background:var(--gold-tint);box-shadow:inset 2px 0 0 var(--gold)}
.pain .q{font-family:"Noto Serif SC",serif;font-size:21px;color:var(--ink)}
.pain .a{margin-top:10px;font-size:15.5px;color:var(--gold-deep);font-weight:600;letter-spacing:.02em}
@media(max-width:760px){.pain-grid{grid-template-columns:1fr 1fr}}

/* ============ CAPABILITY / 能力卡 ============ */
.cap-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.cap{background:var(--paper);border:1px solid var(--line);padding:36px 32px;transition:transform .25s,box-shadow .25s,border-color .25s;position:relative;overflow:hidden}
.cap::before{content:"";position:absolute;left:0;top:0;width:100%;height:2px;background:linear-gradient(90deg,var(--gold-deep),transparent);transform:scaleX(0);transform-origin:left;transition:transform .3s}
.cap::after{content:"";position:absolute;top:14px;right:14px;width:14px;height:14px;border-top:1.5px solid var(--gold-soft);border-right:1.5px solid var(--gold-soft);opacity:0;transition:opacity .3s}
.cap:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:var(--gold-soft)}
.cap:hover::before{transform:scaleX(1)}
.cap:hover::after{opacity:1}
.cap .ix{font-family:ui-monospace,"SF Mono",Menlo,Consolas,monospace;font-weight:600;color:var(--gold);font-size:17px;letter-spacing:.08em}
.cap h3{margin-top:18px;font-size:21px}
.cap p{margin-top:14px;font-size:15.5px;color:var(--ink-2);line-height:1.85}
@media(max-width:860px){.cap-grid{grid-template-columns:1fr}}

/* ============ PACKAGES / 套餐 ============ */
.pkg-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(244px,1fr));gap:24px;align-items:stretch}
.pkg-card{background:var(--paper);border:1px solid var(--line);padding:36px 30px;display:flex;flex-direction:column;
  transition:transform .25s,box-shadow .25s,border-color .25s;position:relative}
.pkg-card:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:var(--gold)}
.pkg-card.feat{border-color:var(--gold-deep);box-shadow:var(--shadow-sm)}
.pkg-card .ptag{font-family:ui-monospace,Menlo,Consolas,monospace;font-size:12px;letter-spacing:.18em;text-transform:uppercase;color:var(--gold-deep);font-weight:600}
.pkg-card .featflag{position:absolute;top:-1px;right:24px;background:var(--gold-deep);color:#fff;font-size:11.5px;letter-spacing:.16em;padding:5px 12px;font-weight:600}
.pkg-card h3{margin-top:14px;font-size:26px}
.pkg-card .price{margin:18px 0 6px;font-size:42px;font-family:"Noto Serif SC",serif;color:var(--gold-deep);letter-spacing:.01em}
.pkg-card .price small{font-size:15px;color:var(--ink-3);margin-left:6px;font-family:"Inter",sans-serif}
.pkg-card .quota{display:inline-block;margin:6px 0 18px;padding:5px 13px;background:var(--gold-tint);color:var(--gold-deep);font-size:13px;font-weight:600;letter-spacing:.03em;border:1px solid var(--gold-soft)}
.pkg-card .desc{font-size:14.5px;color:var(--ink-2);line-height:2;flex:1;border-top:1px solid var(--line);padding-top:18px}
.pkg-card .btn{margin-top:26px}
@media(max-width:860px){.pkg-grid{grid-template-columns:1fr}}

/* ============ PERSONA / 适合谁 ============ */
.who-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line)}
.who{background:var(--paper);padding:34px 30px;transition:background .2s}
.who:hover{background:var(--gold-tint)}
.who .n{font-family:ui-monospace,Menlo,Consolas,monospace;color:var(--gold);font-size:15px;font-weight:600;letter-spacing:.06em}
.who h4{margin-top:12px;font-size:19px}
.who p{margin-top:10px;font-size:14.5px;color:var(--ink-2);line-height:1.85}
@media(max-width:860px){.who-grid{grid-template-columns:1fr 1fr}}
@media(max-width:560px){.who-grid{grid-template-columns:1fr}}

/* ============ PATH / 成长路径 (dark) ============ */
.path{display:flex;gap:0;flex-wrap:wrap}
.path .step{flex:1;min-width:160px;padding:30px 26px;border-right:1px solid rgba(255,255,255,.12);position:relative}
.path .step:last-child{border-right:none}
.path .step .si{font-family:"Noto Serif SC",serif;font-size:30px;color:var(--gold-soft);font-style:italic}
.path .step h4{margin-top:12px;font-size:19px;color:#F4EFE3}
.path .step p{margin-top:10px;font-size:14.5px;color:#BDB5A4;line-height:1.85}
@media(max-width:760px){.path .step{flex:1 1 50%;border-bottom:1px solid rgba(255,255,255,.12)}}

/* ============ ANALYZE highlight ============ */
.split{display:grid;grid-template-columns:1.1fr .9fr;gap:60px;align-items:center}
.split .panel{background:var(--paper);border:1px solid var(--line);padding:44px 40px;box-shadow:var(--shadow-sm)}
.split .panel h3{font-size:26px}
.split .panel ul{list-style:none;margin-top:22px}
.split .panel li{padding:15px 0;border-bottom:1px solid var(--line-2);font-size:15.5px;color:var(--ink-2);display:flex;gap:12px}
.split .panel li::before{content:"—";color:var(--gold)}
@media(max-width:860px){.split{grid-template-columns:1fr;gap:36px}}

/* ============ FAQ ============ */
.faq{border-top:1px solid var(--line)}
.faq details{border-bottom:1px solid var(--line);padding:6px 0}
.faq summary{cursor:pointer;padding:24px 0;font-family:"Noto Serif SC",serif;font-size:19px;color:var(--ink);list-style:none;display:flex;justify-content:space-between;align-items:center}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";color:var(--gold-deep);font-size:24px;font-family:Inter}
.faq details[open] summary::after{content:"–"}
.faq p{padding:0 0 26px;font-size:15.5px;color:var(--ink-2);line-height:1.95;max-width:780px}

/* ============ CTA band ============ */
.cta-band{position:relative;overflow:hidden;background:var(--ink-dark);color:#F4EFE3;text-align:center;padding:96px 40px}
.cta-band>*{position:relative;z-index:1}
.cta-band p{font-size:17px}
.cta-band h2{color:#F4EFE3;font-size:clamp(30px,4vw,46px);max-width:18ch;margin:0 auto}
.cta-band p{margin-top:22px;color:#C7BFAE;font-size:16px;max-width:560px;margin-left:auto;margin-right:auto;line-height:1.9}
.cta-band .btn-row{justify-content:center}
.cta-band .btn.ghost{color:#F4EFE3;border-color:rgba(255,255,255,.25)}
.cta-band .btn.ghost:hover{background:rgba(255,255,255,.06);border-color:#F4EFE3;color:#F4EFE3}

/* ============ FOOTER ============ */
.site-footer{background:var(--bg-2);border-top:1px solid var(--line);padding:64px 0 40px}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.1fr;gap:36px}
.foot-grid img{height:30px;margin-bottom:18px}
.foot-grid .fcol h5{font-size:11px;letter-spacing:.24em;text-transform:uppercase;color:var(--ink-3);font-weight:700;margin-bottom:16px}
.foot-grid .fcol a{display:block;font-size:13.5px;color:var(--ink-2);padding:5px 0;transition:color .2s}
.foot-grid .fcol a:hover{color:var(--gold-deep)}
.foot-grid p{font-size:13px;color:var(--ink-3);line-height:1.9;max-width:300px}
.foot-base{margin-top:48px;padding-top:24px;border-top:1px solid var(--line);font-size:11.5px;color:var(--ink-3);
  letter-spacing:.14em;text-transform:uppercase;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px}
@media(max-width:760px){.foot-grid{grid-template-columns:1fr;gap:30px}}

/* ============ FORM PAGES (报名/买码/分析) ============ */
.form-wrap{max-width:var(--maxw);margin:0 auto;padding:64px 40px 96px}
.page-head{margin-bottom:36px}
.page-head h1{font-size:clamp(28px,4vw,40px)}
.page-head .lede{color:var(--ink-3);font-size:15px;margin-top:10px;max-width:60ch}
.form-shell{display:grid;grid-template-columns:1fr 360px;gap:48px;align-items:start}
.form-card{background:var(--paper);border:1px solid var(--line);padding:44px 42px;box-shadow:var(--shadow-sm)}
.form-card.solo{max-width:560px;margin:0 auto}
.form-card h1,.form-card h2{font-size:26px;margin-bottom:8px}
.form-card .lede{color:var(--ink-3);font-size:14px;margin-bottom:30px}
.field{margin-bottom:22px}
.field .lab{display:block;font-size:12.5px;letter-spacing:.06em;color:var(--ink-2);font-weight:600;margin-bottom:9px}
.field .req{color:var(--rose);margin-left:3px}
input[type=text],input[type=tel],input[type=email],input[type=password],input[type=number],input:not([type]),select,textarea{
  width:100%;padding:13px 15px;border:1px solid var(--line);background:var(--paper);font-family:inherit;font-size:14.5px;
  color:var(--ink);transition:border-color .2s,box-shadow .2s;border-radius:0}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--gold);box-shadow:0 0 0 3px var(--gold-tint)}
textarea{min-height:96px;resize:vertical}
select{appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath d='M2 4l4 4 4-4' stroke='%238E6E3F' fill='none' stroke-width='1.4'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 14px center;padding-right:36px}
.opt-row{display:flex;gap:10px;flex-wrap:wrap}
.opt-pill{display:inline-flex;align-items:center;gap:7px;padding:9px 15px;border:1px solid var(--line);font-size:13.5px;color:var(--ink-2);cursor:pointer;transition:all .18s;user-select:none}
.opt-pill:hover{border-color:var(--gold-soft);background:var(--gold-tint)}
.opt-pill input{accent-color:var(--gold-deep);margin:0}
.opt-pill.on{border-color:var(--gold-deep);background:var(--gold-tint);color:var(--gold-deep);font-weight:600}
.warn{color:var(--gold-deep);background:var(--gold-tint);border:1px solid var(--gold-soft);padding:12px 16px;margin:14px 0;font-size:13.5px}
.aside-card{background:var(--ink-dark);color:#EDE7D8;padding:34px 30px;position:sticky;top:90px}
.aside-card .ptag{font-size:10.5px;letter-spacing:.26em;text-transform:uppercase;color:var(--gold-soft);font-weight:700}
.aside-card h3{color:#F4EFE3;font-size:22px;margin-top:12px}
.aside-card .price{font-size:34px;font-family:"Noto Serif SC",serif;color:#fff;margin:14px 0}
.aside-card .desc{font-size:13px;color:#BDB5A4;line-height:1.9;border-top:1px solid rgba(255,255,255,.14);padding-top:16px;margin-top:16px}
@media(max-width:860px){.form-shell{grid-template-columns:1fr}.aside-card{position:static}}

/* ============ MEMBER CARD ============ */
.result-wrap{max-width:760px;margin:0 auto;padding:72px 40px 96px;text-align:center}
.result-wrap .status-line{font-size:15px;color:var(--ink-3);margin:10px 0 8px}
.result-wrap h1{font-size:32px}
.member-card{background:linear-gradient(155deg,#1c1a14 0%,#262019 55%,#3a2f20 100%);color:#F4EFE3;
  border:1px solid var(--gold-soft);padding:40px 38px;text-align:left;max-width:430px;margin:30px auto;
  position:relative;overflow:hidden;box-shadow:var(--shadow)}
.member-card::before{content:"";position:absolute;inset:0;background:radial-gradient(420px 200px at 90% 10%,rgba(184,147,90,.28),transparent 70%);pointer-events:none}
.member-card .mc-logo{height:26px;filter:brightness(0) invert(1);opacity:.92;margin-bottom:26px}
.member-card .mc-persona{font-size:12px;letter-spacing:.2em;color:var(--gold-soft);text-transform:uppercase;font-weight:700}
.member-card .mc-name{font-family:"Noto Serif SC",serif;font-size:30px;color:#fff;margin:10px 0 22px}
.member-card .mc-id{font-family:"Inter",monospace;font-size:19px;letter-spacing:.14em;color:var(--gold-soft)}
.member-card .mc-row{display:flex;justify-content:space-between;margin-top:24px;padding-top:18px;border-top:1px solid rgba(255,255,255,.16);font-size:12.5px;color:#C7BFAE}
.member-card .mc-brand{position:absolute;bottom:18px;right:24px;font-size:9px;letter-spacing:.26em;color:rgba(231,214,180,.5);text-transform:uppercase}
.codes-box{margin-top:34px}
.codes-box h3{font-size:19px;margin-bottom:14px}
code.ac{display:inline-block;font-family:"Inter",monospace;font-size:17px;letter-spacing:.18em;background:var(--paper);
  border:1px dashed var(--gold);color:var(--gold-deep);padding:10px 18px;margin:6px}

/* ============ REPORT (markdown) ============ */
.report{max-width:820px;margin:0 auto;text-align:left;background:var(--paper);border:1px solid var(--line);padding:48px 50px;box-shadow:var(--shadow-sm)}
.report h2{font-size:24px;margin:30px 0 14px;padding-bottom:10px;border-bottom:1px solid var(--line)}
.report h2:first-child{margin-top:0}
.report h3{font-size:19px;margin:22px 0 10px}
.report p{font-size:15px;color:var(--ink-2);line-height:1.95;margin:10px 0}
.report ul,.report ol{margin:10px 0 10px 22px}
.report li{font-size:15px;color:var(--ink-2);line-height:1.9;margin:6px 0}
.report strong{color:var(--ink)}

/* ============ REVEAL animation ============ */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .7s cubic-bezier(.2,.7,.2,1),transform .7s cubic-bezier(.2,.7,.2,1)}
.reveal.in{opacity:1;transform:none}
.reveal[data-d="1"]{transition-delay:.08s}.reveal[data-d="2"]{transition-delay:.16s}
.reveal[data-d="3"]{transition-delay:.24s}.reveal[data-d="4"]{transition-delay:.32s}
@media(prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none}}

/* ============ MODAL ============ */
.modal-mask{position:fixed;inset:0;background:rgba(22,20,15,.55);backdrop-filter:blur(3px);
  display:none;align-items:center;justify-content:center;z-index:200;padding:20px}
.modal-mask.show{display:flex}
.modal{background:var(--paper);border:1px solid var(--line);max-width:440px;width:100%;
  padding:36px 34px;box-shadow:var(--shadow);position:relative;animation:pageIn .3s both}
.modal h3{font-size:22px;margin-bottom:8px}
.modal .lede{color:var(--ink-3);font-size:14px;margin-bottom:22px}
.modal .or{display:flex;align-items:center;gap:12px;margin:18px 0;color:var(--ink-3);font-size:12px}
.modal .or::before,.modal .or::after{content:"";flex:1;height:1px;background:var(--line)}
.modal .x{position:absolute;top:16px;right:18px;font-size:22px;color:var(--ink-3);cursor:pointer;line-height:1}

/* ============ misc ============ */
.center{text-align:center}
.tac-link{color:var(--gold-deep);font-weight:600}
.mt{margin-top:40px}

/* ============ 移动端整体收紧（≤640px）============ */
@media(max-width:640px){
  body{font-size:15.5px}
  .wrap{padding:0 20px}
  .nav-inner{padding:13px 20px}
  .brand .tag{display:none}
  section.block{padding:60px 0}
  .hero{padding:76px 0 58px}
  .hero h1{font-size:clamp(34px,8.5vw,52px);margin-top:20px}
  .hero .sub{font-size:16px;margin-top:22px}
  .btn-row{margin-top:28px;gap:12px}
  .btn,.btn.lg{padding:13px 22px;font-size:14px}
  .btn-row .btn{flex:1 1 auto;justify-content:center}
  .section-head{gap:20px;margin-bottom:36px}
  .pain-grid{grid-template-columns:1fr}
  .hero-meta{margin-top:44px;padding-top:26px}
  .grid-bg{display:none}                 /* 移动端去掉网格背景，更干净更省 */
  .split{gap:28px}
  .cta-band{padding:64px 20px}
  .form-wrap{padding:40px 20px 64px}
  .form-card{padding:28px 22px}
  .result-wrap{padding:48px 20px 64px}
  .member-card{max-width:100%;padding:30px 26px}
  .report{padding:28px 22px}
  .foot-base{flex-direction:column;text-align:center}
}

/* ============================================================
   管理端 · 专业深色侧边栏中后台
   ============================================================ */
:root{--adm-bg:#15140F;--adm-panel:#FFFFFF;--adm-side:#1B1A14;--adm-side-2:#23211A;
  --adm-text:#E9E4D6;--adm-mute:#9A9384;--adm-line:#2C2A21;--adm-cbg:#F7F4ED}
.adm{display:grid;grid-template-columns:248px 1fr;min-height:100vh;background:var(--adm-cbg)}
.adm-side{background:var(--adm-side);color:var(--adm-text);display:flex;flex-direction:column;position:sticky;top:0;height:100vh}
.adm-side .brand{padding:24px 24px 20px;border-bottom:1px solid var(--adm-line);display:flex;align-items:center;gap:11px}
.adm-side .brand img{height:24px;filter:brightness(0) invert(1);opacity:.92}
.adm-side .brand span{font-size:9px;letter-spacing:.26em;color:var(--adm-mute);text-transform:uppercase;font-weight:700}
.adm-nav{padding:16px 14px;flex:1;overflow:auto}
.adm-nav .grp{font-size:9.5px;letter-spacing:.24em;color:#6E695B;text-transform:uppercase;font-weight:700;padding:16px 12px 8px}
.adm-nav a{display:flex;align-items:center;gap:11px;padding:10px 12px;color:var(--adm-mute);font-size:13.5px;
  border-radius:7px;transition:all .16s;margin-bottom:2px}
.adm-nav a:hover{background:var(--adm-side-2);color:var(--adm-text)}
.adm-nav a.on{background:linear-gradient(90deg,rgba(184,147,90,.22),rgba(184,147,90,.05));color:#F4EFE3;box-shadow:inset 2px 0 0 var(--gold)}
.adm-nav a .dot{width:6px;height:6px;border-radius:50%;background:currentColor;opacity:.5}
.adm-side .side-foot{padding:16px 20px;border-top:1px solid var(--adm-line);font-size:11px;color:#6E695B;display:flex;justify-content:space-between;align-items:center}
.adm-side .side-foot a{color:var(--adm-mute)}
.adm-side .side-foot a:hover{color:var(--gold-soft)}
.adm-main{padding:0;min-width:0}
.adm-top{background:var(--adm-panel);border-bottom:1px solid var(--line);padding:20px 36px;display:flex;align-items:center;justify-content:space-between;position:sticky;top:0;z-index:20}
.adm-top h1{font-size:21px;font-family:"Noto Serif SC",serif;font-weight:500}
.adm-top .crumb{font-size:11px;letter-spacing:.2em;text-transform:uppercase;color:var(--ink-3);font-weight:600}
.adm-body{padding:32px 36px 60px}

/* stat cards */
.stat-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:18px;margin-bottom:30px}
.stat{background:var(--adm-panel);border:1px solid var(--line);padding:24px 24px;position:relative;overflow:hidden}
.stat::after{content:"";position:absolute;right:-20px;top:-20px;width:80px;height:80px;border-radius:50%;background:var(--gold-tint)}
.stat .sk{font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--ink-3);font-weight:600;position:relative}
.stat .sv{font-size:30px;font-family:"Noto Serif SC",serif;color:var(--ink);margin-top:10px;position:relative}
.stat.gold .sv{color:var(--gold-deep)}
.stat .sv small{font-size:14px;color:var(--ink-3);font-family:Inter}

/* admin panel block */
.panel-card{background:var(--adm-panel);border:1px solid var(--line);margin-bottom:26px}
.panel-card .ph{padding:18px 24px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap}
.panel-card .ph h3{font-size:16px}
.panel-card .pb{padding:24px}
.panel-card .pb.flush{padding:0}

/* admin tables */
.atable{width:100%;border-collapse:collapse;font-size:13px}
.atable thead th{background:var(--bg-2);color:var(--ink-3);text-align:left;padding:13px 18px;font-size:10.5px;
  letter-spacing:.12em;text-transform:uppercase;font-weight:700;border-bottom:1px solid var(--line);white-space:nowrap}
.atable tbody td{padding:14px 18px;border-bottom:1px solid var(--line-2);color:var(--ink-2);vertical-align:middle}
.atable tbody tr:hover{background:var(--bg)}
.atable .mono{font-family:monospace;letter-spacing:.04em;color:var(--ink)}
.atable .strong{color:var(--ink);font-weight:600}

/* badges */
.badge{display:inline-block;padding:3px 11px;font-size:11px;font-weight:600;letter-spacing:.04em;border:1px solid}
.badge.green{background:#EAF3EC;color:var(--leaf);border-color:#CFE2D4}
.badge.gold{background:var(--gold-tint);color:var(--gold-deep);border-color:var(--gold-soft)}
.badge.grey{background:var(--bg-2);color:var(--ink-3);border-color:var(--line)}
.badge.rose{background:#F7ECEC;color:var(--rose);border-color:#E7CFCF}

/* admin forms */
.adm-form{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:18px;align-items:end}
.adm-form .field{margin-bottom:0}
.adm-form .full{grid-column:1/-1}
.filters{display:flex;gap:12px;align-items:center;flex-wrap:wrap}
.filters select,.filters input{width:auto;min-width:140px;padding:9px 12px}
.pager{display:flex;gap:10px;align-items:center;padding:18px 24px;font-size:13px;color:var(--ink-3)}
.pager a{color:var(--gold-deep);font-weight:600}
.btn.sm{padding:8px 16px;font-size:12px}
.btn.danger{background:var(--rose);border-color:var(--rose)}

/* admin login */
.adm-login{min-height:100vh;display:flex;align-items:center;justify-content:center;background:var(--adm-bg);padding:40px}
.adm-login .box{background:var(--adm-panel);border:1px solid var(--line);padding:46px 44px;width:100%;max-width:380px;box-shadow:var(--shadow)}
.adm-login img{height:28px;margin-bottom:24px}
.adm-login h2{font-size:22px;margin-bottom:6px}
.adm-login .lede{color:var(--ink-3);font-size:13px;margin-bottom:26px}
@media(max-width:820px){.adm{grid-template-columns:1fr}.adm-side{position:static;height:auto;flex-direction:row;flex-wrap:wrap}.adm-nav{display:flex;flex-wrap:wrap;gap:4px}.adm-nav .grp{display:none}}

/* ===== 会员卡分级(Phase 0):角标 / 期次 / 徽章 + 三档样式 ===== */
.member-card .mc-tier-badge{position:absolute;top:20px;right:22px;font-size:10px;font-weight:800;
  letter-spacing:.1em;padding:4px 11px;border-radius:999px;color:#cdbb94;border:1px solid rgba(205,187,148,.45)}
.member-card .mc-extra{display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin-top:12px}
.member-card .mc-term{font-size:11.5px;color:var(--gold-soft);letter-spacing:.05em}
.member-card .mc-badges{display:inline-flex;gap:6px;flex-wrap:wrap}
.member-card .mc-chip{font-style:normal;font-size:10.5px;padding:2px 9px;border-radius:999px;
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.14);color:#E7D9B6}

/* L1 探索 — 暗金哑光 */
.member-card.mc-l1{background:linear-gradient(155deg,#1c1a14 0%,#262019 55%,#332a1d 100%)}

/* L2 进阶 — 香槟金 + 光晕 + 金描边 */
.member-card.mc-l2{background:linear-gradient(150deg,#241d12 0%,#3a2c17 50%,#5a4421 100%);
  border:1px solid rgba(232,200,121,.5)}
.member-card.mc-l2 .mc-tier-badge{color:#1c1407;border:0;background:linear-gradient(135deg,#f0d488,#c9a44c)}
.member-card.mc-l2 .mc-name{text-shadow:0 2px 18px rgba(232,200,121,.3)}

/* L3 旗舰 — 极光烫金 + 金属边 + 光泽 */
.member-card.mc-l3{
  background:radial-gradient(300px 200px at 12% 100%,rgba(64,120,160,.4),transparent 60%),
            radial-gradient(360px 200px at 92% 0%,rgba(232,200,121,.55),transparent 62%),
            linear-gradient(150deg,#0c0a08 0%,#191307 45%,#2a1d0c 100%);
  border:1.5px solid #c9a44c;box-shadow:0 24px 64px rgba(0,0,0,.5),0 0 26px rgba(232,200,121,.25)}
.member-card.mc-l3 .mc-tier-badge{color:#0c0a08;border:0;
  background:linear-gradient(135deg,#fff3cf,#e8c879 50%,#c9a44c);box-shadow:0 0 16px rgba(232,200,121,.55)}
.member-card.mc-l3 .mc-name{color:#fff;text-shadow:0 2px 24px rgba(232,200,121,.5)}
.member-card.mc-l3 .mc-id{color:#f3dfa0}
.member-card.mc-l3::after{content:"";position:absolute;inset:0;border-radius:inherit;pointer-events:none;
  background:repeating-linear-gradient(115deg,transparent 0 38px,rgba(255,255,255,.05) 38px 40px)}
@media(prefers-reduced-motion:no-preference){
  .member-card.mc-l3{animation:l3glow 3.6s ease-in-out infinite}
  @keyframes l3glow{0%,100%{box-shadow:0 24px 64px rgba(0,0,0,.5),0 0 22px rgba(232,200,121,.2)}
    50%{box-shadow:0 24px 64px rgba(0,0,0,.5),0 0 34px rgba(232,200,121,.4)}}}