/* ============================================================
   AURA AI — 角色幻境工作室 · 静态落地页样式
   深空幻紫 · 霓虹粉金 · 玻璃拟态
   纯 CSS 视觉，无外部图片依赖，可离线运行
   ============================================================ */

/* ---------- 设计令牌 ---------- */
:root{
  --bg0:#070412;
  --bg1:#0f0820;
  --bg2:#170d31;
  --bg3:#211340;
  --ink:#f3eeff;
  --muted:#c3b7e3;
  --faint:#8d82b4;
  --violet:#a06bff;
  --violet2:#7a48f2;
  --indigo:#6d5df6;
  --pink:#ff6fae;
  --rose:#ff9db9;
  --gold:#f2c879;
  --teal:#6be8d0;
  --line:rgba(160,107,255,.20);
  --line-soft:rgba(160,107,255,.12);
  --glass:rgba(255,255,255,.05);
  --glass-strong:rgba(255,255,255,.08);
  --shadow:0 24px 60px -22px rgba(0,0,0,.65);
  --radius:22px;
  --radius-sm:14px;
  --font:"Inter",-apple-system,"Segoe UI",Roboto,"PingFang SC","Microsoft YaHei","Hiragino Sans","Noto Sans",sans-serif;
  --serif:"Playfair Display","Georgia","Songti SC","Noto Serif SC",serif;
  --maxw:1200px;
  --ease:cubic-bezier(.22,.8,.32,1);
}

/* ---------- 基础 ---------- */
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:var(--font);
  color:var(--ink);
  background:var(--bg0);
  line-height:1.6;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
/* 背景三层：深空渐变 + 星云 + 噪点 */
body::before{
  content:"";
  position:fixed;inset:0;z-index:-3;
  background:
    radial-gradient(1100px 700px at 12% -8%, rgba(122,72,242,.38), transparent 60%),
    radial-gradient(900px 640px at 88% 8%, rgba(255,111,174,.20), transparent 55%),
    radial-gradient(1000px 800px at 50% 120%, rgba(107,232,208,.14), transparent 55%),
    linear-gradient(180deg,var(--bg0) 0%,var(--bg1) 45%,var(--bg2) 100%);
}
body::after{
  content:"";
  position:fixed;inset:0;z-index:-2;pointer-events:none;
  background-image:radial-gradient(rgba(255,255,255,.35) 1px, transparent 1px);
  background-size:34px 34px;
  opacity:.055;
}
#stars{position:fixed;inset:0;z-index:-1;pointer-events:none;display:block}
#glow{
  position:fixed;width:520px;height:520px;z-index:-1;pointer-events:none;
  background:radial-gradient(circle, rgba(160,107,255,.22), transparent 65%);
  border-radius:50%;filter:blur(30px);
  transform:translate(-50%,-50%);left:50%;top:40%;
  transition:opacity .6s;opacity:0;
}
img,svg{vertical-align:middle}

.container{max-width:var(--maxw);margin:0 auto;padding:0 24px}
.section{padding:96px 0;position:relative}
.section-head{max-width:720px;margin:0 auto 56px;text-align:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:700;letter-spacing:.28em;text-transform:uppercase;
  color:var(--gold);
}
.eyebrow::before,.eyebrow::after{content:"";width:26px;height:1px;background:linear-gradient(90deg,transparent,var(--gold));opacity:.6}
.eyebrow::after{background:linear-gradient(90deg,var(--gold),transparent)}
.h-title{
  font-family:var(--serif);
  font-size:clamp(30px,4.6vw,46px);
  line-height:1.16;letter-spacing:.01em;
  margin:18px 0 16px;
  background:linear-gradient(120deg,#fff 20%,#d9c6ff 55%,var(--pink) 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.h-sub{color:var(--muted);font-size:17px}
.muted{color:var(--muted)}
.faint{color:var(--faint)}
.center{text-align:center}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  border:none;cursor:pointer;text-decoration:none;
  font-family:var(--font);font-size:15px;font-weight:600;
  padding:14px 26px;border-radius:999px;
  transition:transform .25s var(--ease), box-shadow .25s var(--ease), background .25s, color .25s, border-color .25s;
  white-space:nowrap;
}
.btn svg{width:17px;height:17px}
.btn-primary{
  color:#fff;
  background:linear-gradient(120deg,var(--violet2),var(--violet) 55%,var(--pink));
  box-shadow:0 14px 34px -12px rgba(160,107,255,.65);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 18px 40px -12px rgba(255,111,174,.6)}
.btn-ghost{
  color:var(--ink);
  background:var(--glass);
  border:1px solid var(--line);
  backdrop-filter:blur(8px);
}
.btn-ghost:hover{border-color:rgba(160,107,255,.55);background:var(--glass-strong);transform:translateY(-2px)}
.btn-sm{padding:9px 18px;font-size:13.5px}
.btn-block{width:100%}

/* ---------- 顶栏 ---------- */
.topbar{
  position:fixed;top:0;left:0;right:0;z-index:60;
  transition:background .35s, box-shadow .35s, border-color .35s;
  border-bottom:1px solid transparent;
}
.topbar.solid{
  background:rgba(10,6,22,.72);
  backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  border-bottom-color:var(--line-soft);
  box-shadow:0 10px 30px -18px rgba(0,0,0,.7);
}
.topbar-inner{
  max-width:var(--maxw);margin:0 auto;padding:0 24px;
  height:68px;display:flex;align-items:center;gap:26px;
}
.brand{display:flex;align-items:center;gap:11px;cursor:pointer;text-decoration:none;color:var(--ink)}
.brand-mark{
  width:38px;height:38px;border-radius:12px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--violet2),var(--pink));
  box-shadow:0 8px 22px -8px rgba(255,111,174,.7);
  font-family:var(--serif);font-weight:700;font-size:17px;color:#fff;
}
.brand-name{font-family:var(--serif);font-weight:700;font-size:19px;letter-spacing:.06em}
.brand-name em{font-style:normal;color:var(--pink)}
.nav{display:flex;align-items:center;gap:26px;margin-left:auto}
.nav a{
  color:var(--muted);text-decoration:none;font-size:14.5px;font-weight:500;
  transition:color .2s;position:relative;
}
.nav a:hover{color:var(--ink)}
.nav a::after{
  content:"";position:absolute;left:0;bottom:-6px;width:0;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--violet),var(--pink));
  transition:width .25s var(--ease);
}
.nav a:hover::after{width:100%}
.top-actions{display:flex;align-items:center;gap:10px;margin-left:auto}

/* 语言切换 */
.lang{
  position:relative;
}
.lang-btn{
  display:flex;align-items:center;gap:7px;
  background:var(--glass);border:1px solid var(--line-soft);color:var(--muted);
  padding:8px 14px;border-radius:999px;cursor:pointer;font-family:var(--font);
  font-size:13.5px;font-weight:600;transition:border-color .2s,color .2s;
}
.lang-btn:hover{border-color:var(--line);color:var(--ink)}
.lang-btn svg{width:15px;height:15px}
.lang-panel{
  position:absolute;right:0;top:calc(100% + 10px);
  min-width:190px;padding:8px;
  background:rgba(19,11,40,.96);border:1px solid var(--line);
  border-radius:var(--radius-sm);
  box-shadow:var(--shadow);
  opacity:0;transform:translateY(-6px) scale(.98);pointer-events:none;
  transition:opacity .2s, transform .25s var(--ease);
  z-index:70;
}
.lang-panel.open{opacity:1;transform:translateY(0) scale(1);pointer-events:auto}
.lang-item{
  display:flex;align-items:center;justify-content:space-between;gap:8px;
  width:100%;padding:9px 12px;border:none;background:none;cursor:pointer;
  color:var(--muted);font-family:var(--font);font-size:14px;font-weight:500;
  border-radius:9px;text-align:left;transition:background .15s,color .15s;
}
.lang-item:hover{background:var(--glass-strong);color:var(--ink)}
.lang-item.active{color:var(--pink)}
.lang-item .dot{width:6px;height:6px;border-radius:50%;background:var(--pink);opacity:0;transition:opacity .15s}
.lang-item.active .dot{opacity:1}

/* 移动端菜单 */
.menu-btn{display:none;background:none;border:none;color:var(--ink);cursor:pointer;padding:6px}
.menu-btn svg{width:24px;height:24px}
.mobile-menu{
  position:fixed;inset:0;z-index:80;
  background:rgba(7,4,18,.94);backdrop-filter:blur(18px);
  display:flex;flex-direction:column;justify-content:center;align-items:center;gap:8px;
  opacity:0;pointer-events:none;transition:opacity .3s var(--ease);
}
.mobile-menu.open{opacity:1;pointer-events:auto}
.mobile-menu a{
  color:var(--ink);text-decoration:none;font-size:24px;font-family:var(--serif);
  padding:12px;transition:color .2s;
}
.mobile-menu a:hover{color:var(--pink)}
.mobile-menu .close-x{position:absolute;top:22px;right:24px;background:none;border:none;color:var(--ink);cursor:pointer}
.mobile-menu .close-x svg{width:28px;height:28px}
.mobile-menu .lang-row{display:flex;flex-wrap:wrap;gap:8px;justify-content:center;margin-top:18px}
.mobile-menu .lang-row button{
  background:var(--glass);border:1px solid var(--line);color:var(--muted);
  border-radius:999px;padding:7px 14px;cursor:pointer;font-family:var(--font);font-size:13px;
}
.mobile-menu .lang-row button.active{color:var(--pink);border-color:var(--pink)}

/* ---------- Hero ---------- */
.hero{
  min-height:100svh;
  display:flex;align-items:center;
  padding:150px 0 110px;position:relative;overflow:hidden;
}
.hero-grid{position:relative;max-width:var(--maxw);margin:0 auto;padding:0 24px;width:100%}
.hero-inner{max-width:840px;text-align:center;margin:0 auto}
.hero-kicker{
  display:inline-flex;align-items:center;gap:10px;
  font-size:12.5px;font-weight:700;letter-spacing:.3em;text-transform:uppercase;
  color:var(--gold);border:1px solid rgba(242,200,121,.4);
  padding:9px 18px;border-radius:999px;background:rgba(242,200,121,.07);
}
.hero-title{
  font-family:var(--serif);
  font-size:clamp(42px,7.6vw,84px);
  line-height:1.06;letter-spacing:.005em;margin:26px 0 22px;
  background:linear-gradient(115deg,#fff 15%,#dcc7ff 45%,var(--pink) 72%,var(--gold) 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
  filter:drop-shadow(0 8px 36px rgba(160,107,255,.28));
}
.hero-lede{
  color:var(--muted);font-size:clamp(16px,2vw,19px);
  max-width:640px;margin:0 auto 34px;
}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;margin-bottom:46px}
.hero-trust{
  display:flex;flex-wrap:wrap;gap:26px;justify-content:center;
  color:var(--faint);font-size:13.5px;letter-spacing:.04em;
}
.hero-trust span{display:inline-flex;align-items:center;gap:7px}
.hero-trust svg{width:15px;height:15px;color:var(--teal)}
.hero-fade{position:absolute;left:50%;bottom:-1px;transform:translateX(-50%);width:100%;height:140px;background:linear-gradient(180deg,transparent,var(--bg0));pointer-events:none}

/* 渐变光环装饰 */
.ring{
  position:absolute;border-radius:50%;
  border:1px solid rgba(160,107,255,.22);
  animation:spin 26s linear infinite;
  pointer-events:none;
}
.ring.r1{width:640px;height:640px;left:-180px;top:-120px}
.ring.r2{width:420px;height:420px;right:-120px;bottom:-60px;animation-duration:34s;border-color:rgba(255,111,174,.18)}
@keyframes spin{to{transform:rotate(360deg)}}

/* ---------- 亮点 Bento ---------- */
.features{background:transparent}
.bento{display:grid;grid-template-columns:repeat(12,1fr);gap:20px}
.card{
  position:relative;border-radius:var(--radius);
  background:var(--glass);
  border:1px solid var(--line-soft);
  padding:30px 28px;overflow:hidden;
  transition:transform .35s var(--ease),border-color .3s,background .3s;
}
.card:hover{transform:translateY(-5px);border-color:var(--line)}
.card::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(420px 180px at 80% -10%, rgba(160,107,255,.16), transparent 60%);
  opacity:0;transition:opacity .35s;
}
.card:hover::before{opacity:1}
.card-icon{
  width:46px;height:46px;border-radius:14px;display:grid;place-items:center;
  margin-bottom:18px;color:#fff;
  background:linear-gradient(135deg,var(--violet2),var(--violet));
  box-shadow:0 10px 24px -10px rgba(160,107,255,.7);
}
.card-icon svg{width:22px;height:22px}
.card-icon.pink{background:linear-gradient(135deg,#d64f96,var(--pink));box-shadow:0 10px 24px -10px rgba(255,111,174,.7)}
.card-icon.gold{background:linear-gradient(135deg,#c99a4d,var(--gold));box-shadow:0 10px 24px -10px rgba(242,200,121,.55)}
.card-icon.teal{background:linear-gradient(135deg,#2fb8a0,var(--teal));box-shadow:0 10px 24px -10px rgba(107,232,208,.55)}
.card h3{font-family:var(--serif);font-size:20px;margin-bottom:10px}
.card p{color:var(--muted);font-size:15px}
.card .chip{
  display:inline-block;font-size:12px;font-weight:600;color:var(--gold);
  border:1px solid rgba(242,200,121,.35);border-radius:999px;padding:4px 12px;margin-top:16px;
}
.col-4{grid-column:span 4}
.col-6{grid-column:span 6}
.col-8{grid-column:span 8}
.col-12{grid-column:span 12}

/* ---------- 定制流程 ---------- */
.steps{background:linear-gradient(180deg,transparent,rgba(160,107,255,.05) 50%,transparent)}
.steps-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.step{
  position:relative;border-radius:var(--radius);padding:34px 26px 30px;
  background:var(--glass);border:1px solid var(--line-soft);text-align:center;
  transition:transform .35s var(--ease),border-color .3s;
}
.step:hover{transform:translateY(-5px);border-color:var(--line)}
.step-num{
  width:44px;height:44px;margin:0 auto 18px;border-radius:50%;
  display:grid;place-items:center;
  background:linear-gradient(135deg,var(--violet2),var(--pink));
  color:#fff;font-weight:800;font-size:16px;font-family:var(--serif);
  box-shadow:0 10px 22px -8px rgba(160,107,255,.7);
}
.step h3{font-family:var(--serif);font-size:19px;margin-bottom:9px}
.step p{color:var(--muted);font-size:14.5px}
.step-arrow{
  position:absolute;top:44px;right:-20px;z-index:2;color:var(--violet);
  opacity:.5;pointer-events:none;
}
.step-arrow svg{width:26px;height:26px}

/* 定制维度标签云 */
.dim-tags{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin-top:34px}
.dim-tag{
  font-size:13.5px;color:var(--muted);
  border:1px solid var(--line-soft);border-radius:999px;padding:7px 15px;
  background:var(--glass);transition:color .2s,border-color .2s;
}
.dim-tag:hover{color:var(--pink);border-color:var(--pink)}

/* ---------- 会员方案 ---------- */
.plans{background:transparent}
.plans-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;align-items:stretch;max-width:1020px;margin:0 auto}
.plan{
  position:relative;display:flex;flex-direction:column;
  border-radius:var(--radius);padding:36px 30px;
  background:var(--glass);border:1px solid var(--line-soft);
  transition:transform .35s var(--ease),border-color .3s,box-shadow .35s;
}
.plan:hover{transform:translateY(-6px);border-color:var(--line);box-shadow:var(--shadow)}
.plan.featured{
  border-color:transparent;
  background:
    linear-gradient(var(--bg2),var(--bg2)) padding-box,
    linear-gradient(140deg,var(--violet),var(--pink),var(--gold)) border-box;
  border:1.6px solid transparent;
  box-shadow:0 26px 60px -20px rgba(255,111,174,.35);
}
.plan-badge{
  position:absolute;top:-13px;left:50%;transform:translateX(-50%);
  font-size:11.5px;font-weight:800;letter-spacing:.14em;text-transform:uppercase;
  color:#fff;background:linear-gradient(120deg,var(--violet2),var(--pink));
  padding:6px 16px;border-radius:999px;white-space:nowrap;
  box-shadow:0 8px 20px -6px rgba(255,111,174,.7);
}
.plan-name{font-family:var(--serif);font-size:22px;letter-spacing:.04em}
.plan-desc{color:var(--muted);font-size:14px;margin:8px 0 22px;min-height:44px}
.plan-price{display:flex;align-items:baseline;gap:8px;margin-bottom:26px}
.plan-amount{
  font-family:var(--serif);font-size:46px;line-height:1;
  background:linear-gradient(120deg,#fff,var(--violet) 80%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.plan.featured .plan-amount{
  background:linear-gradient(120deg,#fff,var(--pink) 80%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.plan-unit{color:var(--faint);font-size:14px;font-weight:600}
.plan-list{list-style:none;margin:0 0 30px;display:grid;gap:12px;flex:1}
.plan-list li{display:flex;gap:10px;align-items:flex-start;font-size:14.5px;color:var(--muted)}
.plan-list li svg{width:18px;height:18px;flex-shrink:0;color:var(--teal);margin-top:2px}
.plan-list li.off{opacity:.45}
.plan-list li.off svg{color:var(--faint)}

/* ---------- 支付流程 ---------- */
.pay{background:linear-gradient(180deg,transparent,rgba(255,111,174,.05) 50%,transparent)}
.pay-wrap{max-width:900px;margin:0 auto}
.pay-flow{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-bottom:40px}
.pay-step{
  border-radius:var(--radius-sm);padding:22px 18px;text-align:center;
  background:var(--glass);border:1px solid var(--line-soft);
}
.pay-step .ico{
  width:40px;height:40px;margin:0 auto 12px;border-radius:12px;display:grid;place-items:center;
  background:linear-gradient(135deg,#3a226b,var(--violet2));color:#fff;
}
.pay-step .ico svg{width:19px;height:19px}
.pay-step h4{font-size:15px;margin-bottom:6px}
.pay-step p{color:var(--faint);font-size:12.5px}
.pay-card{
  border-radius:var(--radius);padding:30px;
  background:var(--glass);border:1px solid var(--line-soft);
}
.pay-actions{display:flex;flex-wrap:wrap;gap:12px;align-items:center;margin-bottom:22px}
.net-toggle{display:inline-flex;gap:4px;background:rgba(0,0,0,.25);border-radius:999px;padding:4px}
.net-toggle button{
  border:none;background:none;color:var(--muted);cursor:pointer;
  font-family:var(--font);font-size:13.5px;font-weight:600;
  padding:8px 18px;border-radius:999px;transition:background .2s,color .2s;
}
.net-toggle button.active{background:linear-gradient(120deg,var(--violet2),var(--pink));color:#fff}
.addr-box{
  display:flex;align-items:center;gap:10px;
  background:rgba(0,0,0,.3);border:1px dashed rgba(160,107,255,.4);
  border-radius:var(--radius-sm);padding:13px 16px;margin-bottom:8px;
}
.addr-box code{flex:1;font-size:13px;color:var(--muted);word-break:break-all}
.addr-hint{color:var(--faint);font-size:12.5px;margin-bottom:24px}
.hash-row{display:flex;gap:10px;margin-bottom:10px}
.hash-row input{
  flex:1;background:rgba(0,0,0,.3);border:1px solid var(--line-soft);color:var(--ink);
  border-radius:var(--radius-sm);padding:13px 16px;font-family:var(--font);font-size:14px;outline:none;
  transition:border-color .2s;
}
.hash-row input:focus{border-color:var(--violet)}
.form-error{color:var(--pink);font-size:13px;margin:8px 0 0;min-height:18px}
.form-error:empty{display:none}

/* 订单演示 */
.orders{margin-top:34px}
.orders-head{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:10px;margin-bottom:16px}
.orders-head h4{font-family:var(--serif);font-size:19px}
.status-tag{display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:700;padding:5px 12px;border-radius:999px}
.status-tag .dot{width:7px;height:7px;border-radius:50%}
.status-pending{color:var(--gold);background:rgba(242,200,121,.12);border:1px solid rgba(242,200,121,.35)}
.status-pending .dot{background:var(--gold);animation:blink 1.4s infinite}
.status-approved{color:var(--teal);background:rgba(107,232,208,.1);border:1px solid rgba(107,232,208,.35)}
.status-approved .dot{background:var(--teal)}
.status-rejected{color:var(--pink);background:rgba(255,111,174,.1);border:1px solid rgba(255,111,174,.35)}
.status-rejected .dot{background:var(--pink)}
@keyframes blink{50%{opacity:.25}}
.order-row{
  display:flex;align-items:center;gap:16px;flex-wrap:wrap;
  padding:15px 18px;border-radius:var(--radius-sm);
  background:var(--glass);border:1px solid var(--line-soft);margin-bottom:10px;
}
.order-row .oid{font-family:var(--serif);font-weight:700;color:var(--ink);min-width:130px}
.order-row .meta{color:var(--faint);font-size:13px;flex:1;min-width:150px}
.order-row .tx{color:var(--muted);font-size:12.5px;word-break:break-all;max-width:230px;display:inline-block}
.demo-note{
  margin-top:18px;font-size:12.5px;color:var(--faint);
  border:1px solid var(--line-soft);border-radius:var(--radius-sm);
  padding:12px 16px;background:rgba(0,0,0,.2);
}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:780px;margin:0 auto}
.faq-item{border:1px solid var(--line-soft);border-radius:var(--radius-sm);background:var(--glass);margin-bottom:12px;overflow:hidden;transition:border-color .25s}
.faq-item.open{border-color:var(--line)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:14px;
  padding:19px 22px;background:none;border:none;cursor:pointer;
  color:var(--ink);font-family:var(--font);font-size:16px;font-weight:600;text-align:left;
}
.faq-q .pm{
  width:28px;height:28px;flex-shrink:0;border-radius:50%;display:grid;place-items:center;
  background:var(--glass-strong);color:var(--pink);transition:transform .3s var(--ease);
}
.faq-q .pm svg{width:15px;height:15px}
.faq-item.open .pm{transform:rotate(45deg)}
.faq-a{
  max-height:0;overflow:hidden;transition:max-height .35s var(--ease);
}
.faq-a-inner{padding:0 22px 22px;color:var(--muted);font-size:15px}

/* ---------- CTA ---------- */
.cta-band{
  text-align:center;padding:80px 24px;border-radius:var(--radius);
  margin:0 auto;max-width:var(--maxw);
  background:
    radial-gradient(600px 300px at 20% 0%, rgba(160,107,255,.28), transparent 60%),
    radial-gradient(600px 300px at 90% 100%, rgba(255,111,174,.22), transparent 60%),
    var(--glass);
  border:1px solid var(--line);
}
.cta-band .h-title{margin-bottom:16px}

/* ---------- 页脚 ---------- */
.footer{border-top:1px solid var(--line-soft);padding:64px 0 34px;margin-top:40px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;margin-bottom:44px}
.footer h5{font-size:13px;font-weight:700;letter-spacing:.16em;text-transform:uppercase;color:var(--faint);margin-bottom:16px}
.footer a{display:block;color:var(--muted);text-decoration:none;font-size:14px;margin-bottom:10px;transition:color .2s}
.footer a:hover{color:var(--pink)}
.footer .brand-name{margin-bottom:12px;display:block}
.footer .about{color:var(--muted);font-size:14px;max-width:320px}
.footer-bottom{
  border-top:1px solid var(--line-soft);padding-top:24px;
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;
  color:var(--faint);font-size:13px;
}

/* ---------- 弹窗 ---------- */
.dialog-overlay{
  position:fixed;inset:0;z-index:100;
  background:rgba(6,3,16,.72);backdrop-filter:blur(10px);
  display:flex;align-items:center;justify-content:center;padding:20px;
  opacity:0;pointer-events:none;transition:opacity .3s var(--ease);
}
.dialog-overlay.open{opacity:1;pointer-events:auto}
.dialog{
  width:100%;max-width:440px;max-height:90vh;overflow-y:auto;
  border-radius:var(--radius);padding:34px 30px;
  background:linear-gradient(180deg,var(--bg2),var(--bg1));
  border:1px solid var(--line);
  box-shadow:var(--shadow);
  transform:translateY(14px) scale(.98);transition:transform .3s var(--ease);
}
.dialog-overlay.open .dialog{transform:translateY(0) scale(1)}
.dialog .d-close{
  position:absolute;top:18px;right:18px;
  background:var(--glass);border:1px solid var(--line-soft);color:var(--muted);
  width:34px;height:34px;border-radius:50%;cursor:pointer;display:grid;place-items:center;
  transition:color .2s,border-color .2s;
}
.dialog .d-close:hover{color:var(--pink);border-color:var(--pink)}
.dialog .d-close svg{width:16px;height:16px}
.dialog{position:relative}
.dialog h3{font-family:var(--serif);font-size:24px;margin:8px 0 8px}
.dialog .d-sub{color:var(--muted);font-size:14px;margin-bottom:22px}
.form-field{margin-bottom:16px}
.form-field label{display:block;font-size:13px;font-weight:600;color:var(--muted);margin-bottom:7px}
.form-field input{
  width:100%;background:rgba(0,0,0,.3);border:1px solid var(--line-soft);color:var(--ink);
  border-radius:var(--radius-sm);padding:13px 15px;font-family:var(--font);font-size:14.5px;outline:none;
  transition:border-color .2s;
}
.form-field input:focus{border-color:var(--violet)}
.form-check{display:flex;gap:10px;align-items:flex-start;margin:4px 0 18px;font-size:13px;color:var(--muted)}
.form-check input{width:17px;height:17px;margin-top:2px;accent-color:var(--violet)}
.dialog-success{text-align:center;padding:18px 0}
.success-icon{
  width:64px;height:64px;margin:0 auto 18px;border-radius:50%;
  background:linear-gradient(135deg,var(--teal),#2fb8a0);color:#04110e;
  display:grid;place-items:center;font-size:30px;box-shadow:0 12px 30px -10px rgba(107,232,208,.7);
}
.dialog-success h4{font-family:var(--serif);font-size:22px;margin-bottom:8px}
.dialog-success p{color:var(--muted);font-size:14.5px;margin-bottom:20px}
.age-note{font-size:12px;color:var(--faint);margin-top:14px;text-align:center}

/* ---------- 滚动显现 ---------- */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
.reveal.in-view{opacity:1;transform:none}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .nav{display:none}
  .top-actions .btn-ghost{display:none}
  .menu-btn{display:inline-flex}
  .col-4,.col-6,.col-8{grid-column:span 12}
  .steps-grid{grid-template-columns:repeat(2,1fr)}
  .pay-flow{grid-template-columns:repeat(2,1fr)}
  .plans-grid{grid-template-columns:1fr;max-width:520px}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:640px){
  .section{padding:72px 0}
  .steps-grid{grid-template-columns:1fr}
  .pay-flow{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .order-row .tx{max-width:100%}
}