/* ============================================================
   天工图片生成平台 · 前端蓝色主题（复刻 zhilian-visual 设计系统）
   字体：思源黑体（Noto Sans SC，自托管 woff2，见 /fonts/noto-sans-sc/font.css）
   ============================================================ */
:root{
  /* FONT-V1：思源黑体 */
  --font-sans:"Noto Sans SC","Source Han Sans SC","思源黑体","Noto Sans CJK SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;
  --blue:#1668ff;
  --blue-600:#0f52d6;
  --blue-700:#0b3fa8;
  --blue-100:#e8f1ff;
  --blue-50:#f4f8ff;
  --ink:#0d1b34;
  --ink-2:#33456b;
  --ink-3:#6b7c9c;
  --line:#dce6f7;
  --bg:#ffffff;
  --soft:#f5f9ff;
  --ok:#0f9d58;
  --warn:#f59e0b;
  --err:#e0483c;
  --radius:14px;
  --shadow:0 8px 30px rgba(15,82,214,.10);
  --shadow-lg:0 20px 60px rgba(13,27,52,.14);
  --max:1200px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--font-sans);
  color:var(--ink);background:var(--bg);line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font-family:inherit;font-size:inherit;outline:none}
img{max-width:100%;display:block}
.wrap{max-width:var(--max);margin:0 auto;padding:0 24px}
.grad{background:linear-gradient(92deg,#1668ff,#00b4ff);-webkit-background-clip:text;background-clip:text;color:transparent}
.center{text-align:center}
.hint{color:var(--ink-3);font-size:13px;margin-top:14px}
.muted{color:var(--ink-3)}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:6px;
  padding:10px 18px;border-radius:10px;border:1px solid transparent;
  font-size:14px;font-weight:600;cursor:pointer;transition:.18s;white-space:nowrap;
}
.btn-primary{background:var(--blue);color:#fff;box-shadow:0 6px 18px rgba(22,104,255,.28)}
.btn-primary:hover{background:var(--blue-600);transform:translateY(-1px)}
.btn-primary:disabled{background:#a9c3f5;box-shadow:none;cursor:not-allowed;transform:none}
.btn-outline{background:#fff;color:var(--blue);border-color:var(--line)}
.btn-outline:hover{border-color:var(--blue);background:var(--blue-50)}
.btn-ghost{background:var(--blue-50);color:var(--blue)}
.btn-ghost:hover{background:var(--blue-100)}
.btn-white{background:#fff;color:var(--blue)}
.btn-white:hover{background:var(--blue-50)}
.btn-outline-w{background:transparent;color:#fff;border-color:rgba(255,255,255,.5)}
.btn-outline-w:hover{background:rgba(255,255,255,.14)}
.btn-lg{padding:13px 30px;font-size:15px;border-radius:12px}
.btn-block{width:100%}
.btn-sm{padding:6px 12px;font-size:13px;border-radius:8px}
.btn-danger{background:var(--err);color:#fff}
.btn-danger:hover{background:#c7392e}
.cart-dot{display:inline-block;min-width:18px;padding:0 5px;height:18px;line-height:18px;
  border-radius:9px;background:var(--blue);color:#fff;font-size:11px;text-align:center}

/* ---------- 导航 ---------- */
.nav{position:sticky;top:0;z-index:60;background:rgba(255,255,255,.92);
  backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.nav-inner{display:flex;align-items:center;gap:24px;height:66px}
.logo{display:flex;align-items:center;gap:10px}
.logo-mark{width:34px;height:34px;border-radius:9px;
  background:linear-gradient(135deg,#1668ff,#00b4ff);color:#fff;font-weight:800;
  display:flex;align-items:center;justify-content:center;font-size:14px}
.logo-text{font-weight:800;font-size:16px;line-height:1.2;display:flex;flex-direction:column}
.logo-text em{font-style:normal;font-size:11px;color:var(--ink-3);font-weight:500}
.nav-links{display:flex;gap:20px;margin-left:12px;flex:1}
.nav-links a{font-size:14px;color:var(--ink-2);font-weight:500}
.nav-links a:hover{color:var(--blue)}
.nav-actions{display:flex;gap:10px;align-items:center}
.nav-toggle{display:none;background:none;border:0;font-size:22px;cursor:pointer;color:var(--ink)}

/* ---------- HERO ---------- */
.hero{position:relative;padding:86px 0 70px;overflow:hidden;
  background:linear-gradient(180deg,#f2f7ff 0%,#ffffff 62%)}
.hero-bg{position:absolute;inset:0;
  background:
    radial-gradient(760px 380px at 12% -8%,rgba(22,104,255,.20),transparent 62%),
    radial-gradient(620px 340px at 92% 8%,rgba(0,180,255,.16),transparent 60%);
  pointer-events:none}
.hero-inner{position:relative}
.hero-copy{max-width:820px;margin:0 auto;text-align:center}
.pill{display:inline-block;padding:6px 16px;border-radius:999px;background:#fff;
  border:1px solid var(--line);color:var(--blue);font-size:12px;font-weight:700;letter-spacing:.4px}
.hero h1{font-size:52px;line-height:1.25;margin:20px 0 16px;letter-spacing:-.5px}
.hero-sub{max-width:760px;margin:0 auto;font-size:17px;color:var(--ink-2)}
.hero-btns{display:flex;gap:14px;justify-content:center;margin:30px 0 44px;flex-wrap:wrap}
.hero-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;max-width:880px;margin:0 auto}
.hero-stats div{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:18px 10px;box-shadow:var(--shadow);text-align:center}
.hero-stats b{display:block;font-size:26px;color:var(--blue)}
.hero-stats span{font-size:12px;color:var(--ink-3)}
.hero-visual{position:relative;max-width:1000px;margin:54px auto 0;height:340px}
.hv-main{position:absolute;left:50%;top:0;transform:translateX(-50%);width:520px;height:320px;
  border-radius:20px;overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow-lg);background:#eaf2ff}
.hv-main img{width:100%;height:100%;object-fit:cover}
.hv-float{position:absolute;border-radius:16px;overflow:hidden;border:1px solid var(--line);
  box-shadow:var(--shadow-lg);background:#fff;animation:floaty 5s ease-in-out infinite}
.hv-float img{width:100%;height:100%;object-fit:cover}
.hv-float span{position:absolute;left:0;right:0;bottom:0;background:rgba(8,24,52,.62);color:#fff;
  font-size:11px;padding:5px 10px;text-align:center;backdrop-filter:blur(4px)}
.hv-f1{width:210px;height:150px;left:0;top:52px}
.hv-f2{width:200px;height:140px;right:0;top:130px;animation-delay:1.2s}
@keyframes floaty{0%,100%{transform:translateY(0)}50%{transform:translateY(-12px)}}

/* ---------- section ---------- */
.sec{padding:78px 0}
.sec-soft{background:var(--soft)}
.sec-head{max-width:760px;margin:0 auto 42px;text-align:center}
.tag{display:inline-block;padding:5px 14px;border-radius:999px;background:var(--blue-100);
  color:var(--blue);font-size:12px;font-weight:700;margin-bottom:14px}
.sec-head h2{font-size:36px;line-height:1.3;margin-bottom:12px}
.sec-head p{color:var(--ink-2);font-size:15px}

/* ---------- 在线工作台 ---------- */
.studio{display:grid;grid-template-columns:1.1fr .9fr;gap:22px}
.panel-w{background:#fff;border:1px solid var(--line);border-radius:18px;padding:24px;box-shadow:var(--shadow)}
.studio h4{font-size:16px;margin-bottom:12px}
.studio h4 em{font-style:normal;font-size:12px;color:var(--ink-3);font-weight:500}
.drop{border:2px dashed var(--line);border-radius:14px;background:var(--blue-50);
  padding:22px;text-align:center;cursor:pointer;transition:.18s;position:relative}
.drop:hover,.drop.drag{border-color:var(--blue);background:var(--blue-100)}
.drop-empty b{display:block;font-size:14.5px;color:var(--blue)}
.drop-empty span{font-size:12.5px;color:var(--ink-3)}
.drop-thumbs{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;margin-top:14px}
.drop-thumbs:empty{display:none}
.drop-thumbs span{position:relative;aspect-ratio:1/1;border-radius:10px;overflow:hidden;border:1px solid var(--line)}
.drop-thumbs img{width:100%;height:100%;object-fit:cover}
.drop-thumbs .rm{position:absolute;right:3px;top:3px;width:18px;height:18px;border-radius:50%;
  background:rgba(13,27,52,.72);color:#fff;font-size:12px;line-height:18px;cursor:pointer;text-align:center}
/* BUGFIX-V3：工具额外汇入的必填槽位（如爆款复刻的参考设计图）用紧凑版上传框 */
.drop-sm{padding:14px;margin-bottom:12px}
.drop-sm .drop-empty b{font-size:13px}
.drop-sm .drop-thumbs{grid-template-columns:repeat(4,1fr);max-width:220px;margin-top:10px}
#wbExtraSlots h4{margin-top:6px}
.fld-hint{min-height:16px;font-size:12px;color:var(--ink-3);margin:0 0 8px}
.style-row{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:6px}
.style-row button{border:1px solid var(--line);background:#fff;border-radius:999px;padding:5px 13px;
  font-size:12.5px;color:var(--ink-2);cursor:pointer;transition:.16s}
.style-row button.active{border-color:var(--blue);background:var(--blue-50);color:var(--blue);font-weight:700}
.studio-opts{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin:16px 0}
.fld label{display:block;font-size:12px;color:var(--ink-3);margin-bottom:6px}
.fld select{width:100%;padding:10px 12px;border:1px solid var(--line);border-radius:10px;background:#fff}
.wb-result{border:1px solid var(--line);border-radius:14px;background:var(--soft);
  min-height:300px;padding:14px;display:flex;align-items:center;justify-content:center}
.wb-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:10px;width:100%}
.wb-grid img{width:100%;aspect-ratio:1/1;object-fit:cover;border-radius:10px;border:1px solid var(--line)}
.wb-result .empty{padding:30px 12px}

/* ---------- 功能卡片 ---------- */
.feat-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.feat-card{background:#fff;border:1px solid var(--line);border-radius:18px;padding:26px;
  box-shadow:var(--shadow);display:flex;flex-direction:column;transition:.2s}
.feat-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:#bcd4ff}
.feat-no{font-size:12px;font-weight:800;color:var(--blue);letter-spacing:2px}
.feat-card h3{font-size:21px;margin:6px 0 4px}
.beta{font-size:11px;background:var(--blue-100);color:var(--blue);padding:2px 8px;
  border-radius:6px;vertical-align:middle;margin-left:6px;font-weight:700}
.feat-desc{font-weight:600;color:var(--ink-2);margin-bottom:8px;font-size:14px}
.feat-card p{color:var(--ink-2);font-size:14px}
.feat-shot{position:relative;border-radius:12px;overflow:hidden;border:1px solid var(--line);
  margin:12px 0;background:linear-gradient(135deg,#dbe8ff,#eef5ff);aspect-ratio:16/10}
.feat-shot img{width:100%;height:100%;object-fit:cover}
.feat-shot .shot-tag{position:absolute;left:0;right:0;bottom:0;background:rgba(8,24,52,.62);
  color:#fff;font-size:11.5px;padding:6px 10px;backdrop-filter:blur(4px)}
.feat-meta{display:flex;gap:10px;margin:16px 0 18px;flex-wrap:wrap}
.feat-meta span{background:var(--blue-50);border:1px solid var(--line);border-radius:10px;padding:7px 12px}
.feat-meta i{display:block;font-style:normal;font-size:11px;color:var(--ink-3)}
.feat-meta b{font-size:14px;color:var(--blue)}
.demo{margin-top:auto;padding-top:12px;font-size:12px;color:var(--ink-3);text-align:center}

/* ---------- 案例 ---------- */
.showcase{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:34px}
.shot{position:relative;border-radius:14px;overflow:hidden;border:1px solid var(--line);
  aspect-ratio:1/1;background:linear-gradient(135deg,#dbe8ff,#eef5ff)}
.shot img{width:100%;height:100%;object-fit:cover}
.shot .no{position:absolute;left:10px;bottom:10px;background:rgba(8,24,52,.62);color:#fff;
  font-size:11px;padding:3px 9px;border-radius:6px;backdrop-filter:blur(4px)}

/* ---------- 三步 ---------- */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;position:relative}
.step{background:#fff;border:1px solid var(--line);border-radius:16px;padding:30px 24px;text-align:center;box-shadow:var(--shadow)}
.step-no{width:46px;height:46px;border-radius:50%;background:var(--blue);color:#fff;
  display:flex;align-items:center;justify-content:center;font-weight:800;margin:0 auto 14px;font-size:18px}
.step h4{font-size:18px;margin-bottom:6px}
.step p{color:var(--ink-2);font-size:14px}

/* ---------- 技术亮点 ---------- */
.tech-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.tech{background:#fff;border:1px solid var(--line);border-radius:14px;padding:20px;transition:.18s}
.tech h5{font-size:15px;margin-bottom:6px;color:var(--ink)}
.tech p{font-size:13px;color:var(--ink-2)}
.tech:hover{border-color:#bcd4ff;background:var(--blue-50)}

/* ---------- why ---------- */
.why-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.why{background:#fff;border:1px solid var(--line);border-left:4px solid var(--blue);
  border-radius:12px;padding:22px}
.why span{font-size:12px;font-weight:800;color:var(--blue)}
.why h5{font-size:17px;margin:6px 0 6px}
.why p{font-size:14px;color:var(--ink-2)}

/* ---------- 定价 ---------- */
.price-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;align-items:start}
.price{background:#fff;border:1px solid var(--line);border-radius:18px;padding:26px;position:relative;
  display:flex;flex-direction:column;transition:.2s}
.price:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.price.hot{border-color:var(--blue);box-shadow:0 12px 36px rgba(22,104,255,.18)}
.price .badge{position:absolute;top:-12px;right:18px;background:var(--blue);color:#fff;
  font-size:12px;padding:4px 12px;border-radius:999px;font-weight:700}
.price h3{font-size:20px}
.price .sub{font-size:13px;color:var(--ink-3);min-height:38px;margin-top:4px}
.price .amt{font-size:34px;font-weight:800;color:var(--blue);margin:10px 0 2px}
.price .amt small{font-size:13px;color:var(--ink-3);font-weight:500}
.price ul{list-style:none;margin:14px 0 18px;flex:1}
.price li{font-size:13px;color:var(--ink-2);padding:5px 0 5px 20px;position:relative}
.price li:before{content:"✓";position:absolute;left:0;color:var(--blue);font-weight:700}
.price .stock{font-size:12px;color:var(--ink-3);margin-bottom:10px}
.price .stock.low{color:var(--err)}
.loading-box{padding:40px;text-align:center;color:var(--ink-3);grid-column:1/-1}

/* ---------- API ---------- */
.api-split{display:grid;grid-template-columns:1.35fr 1fr;gap:22px}
.api-doc,.api-try{background:#fff;border:1px solid var(--line);border-radius:16px;padding:24px}
.api-doc h4,.api-try h4{font-size:17px;margin-bottom:14px}
pre{background:#0d1b34;color:#c9dcff;border-radius:12px;padding:18px;overflow:auto;font-size:12.5px;line-height:1.7}
pre code{font-family:Consolas,Monaco,monospace}
.api-list{margin-top:16px;list-style:none}
.api-list li{font-size:13px;color:var(--ink-2);padding:6px 0;border-bottom:1px dashed var(--line)}
.api-list b{color:var(--blue);margin-right:6px}
.api-try label{display:block;font-size:12px;color:var(--ink-3);margin:10px 0 6px}
.api-try select,.api-try input{width:100%;padding:10px 12px;border:1px solid var(--line);
  border-radius:10px;background:#fff}
.api-result{margin-top:14px;background:var(--blue-50);border:1px solid var(--line);
  border-radius:10px;padding:12px;font-size:12.5px;color:var(--ink-2);min-height:44px;
  word-break:break-all;white-space:pre-wrap}

/* ---------- 内置模型 ---------- */
.model-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:10px}
.model-card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:22px;
  transition:.2s;position:relative;overflow:hidden}
.model-card:hover{border-color:#bcd4ff;transform:translateY(-3px);box-shadow:var(--shadow)}
.model-card:before{content:"";position:absolute;left:0;top:0;bottom:0;width:4px;
  background:linear-gradient(180deg,#1668ff,#00b4ff)}
.model-card h4{font-size:16px;margin-bottom:4px;padding-left:8px}
.model-card .mk{font-size:11.5px;color:var(--blue);font-weight:700;letter-spacing:.5px;padding-left:8px}
.model-card p{font-size:13px;color:var(--ink-2);margin-top:8px;padding-left:8px}
.model-card .mmeta{font-size:11.5px;color:var(--ink-3);margin-top:10px;padding-left:8px}
.model-note{margin-top:14px;background:var(--blue-50);border:1px solid var(--line);border-radius:12px;
  padding:14px 18px;font-size:13.5px;color:var(--ink-2)}
.model-note b{color:var(--blue)}

/* ---------- FAQ ---------- */
.faq{max-width:860px;margin:0 auto}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:12px;margin-bottom:10px;overflow:hidden}
.faq-q{padding:16px 20px;font-weight:600;font-size:15px;cursor:pointer;display:flex;
  align-items:center;gap:10px;justify-content:space-between}
.faq-q span{color:var(--blue);font-size:13px;font-weight:800}
.faq-q i{font-style:normal;color:var(--ink-3);transition:.2s}
.faq-item.open .faq-q i{transform:rotate(45deg);color:var(--blue)}
.faq-a{display:none;padding:0 20px 18px;color:var(--ink-2);font-size:14px}
.faq-item.open .faq-a{display:block}

/* ---------- CTA ---------- */
.cta{padding:74px 0;background:linear-gradient(120deg,#0f52d6,#1668ff 45%,#00a8ff);color:#fff;text-align:center}
.cta h2{font-size:34px;margin-bottom:10px}
.cta .grad{background:none;-webkit-text-fill-color:#cfe3ff;color:#cfe3ff}
.cta p{opacity:.9;margin-bottom:26px}
.cta-btns{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}

/* ---------- footer ---------- */
.footer{background:#0a1730;color:#a8bcd8;padding:56px 0 20px;font-size:13.5px}
.footer-inner{display:grid;grid-template-columns:2fr 1fr 1fr 1fr 1.2fr;gap:28px}
.footer .logo-text{color:#fff}
.footer .logo-text em{color:#7f96bd}
.foot-desc{margin-top:12px;color:#8ba3c7}
.foot-col h6{color:#fff;font-size:14px;margin-bottom:12px}
.foot-col a{display:block;padding:4px 0;color:#a8bcd8}
.foot-col a:hover{color:#fff}
.foot-col p{padding:3px 0;color:#8ba3c7}
.foot-bottom{border-top:1px solid rgba(255,255,255,.1);margin-top:34px;padding-top:18px;
  display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;color:#7f96bd;font-size:12.5px}
.foot-mode b{color:#7fd0ff}
.foot-mode a{color:#7fd0ff;text-decoration:underline}

/* ---------- 抽屉 / 弹窗 ---------- */
.drawer,.modal{position:fixed;inset:0;z-index:100;display:none}
.drawer.open,.modal.open{display:block}
.drawer-mask,.modal-mask{position:absolute;inset:0;background:rgba(10,23,48,.45);backdrop-filter:blur(2px)}
.drawer-panel{position:absolute;right:0;top:0;height:100%;width:440px;background:#fff;
  display:flex;flex-direction:column;box-shadow:-12px 0 40px rgba(10,23,48,.18);
  animation:slideIn .22s ease}
.drawer-wide .drawer-panel{width:660px}
@keyframes slideIn{from{transform:translateX(40px);opacity:.4}to{transform:none;opacity:1}}
.drawer-head,.modal-head{display:flex;align-items:center;justify-content:space-between;
  padding:18px 22px;border-bottom:1px solid var(--line)}
.drawer-head h3,.modal-head h3{font-size:17px}
.x{background:none;border:0;font-size:24px;color:var(--ink-3);cursor:pointer;line-height:1}
.x:hover{color:var(--err)}
.drawer-body{padding:20px 22px;overflow:auto;flex:1}
.drawer-foot{padding:16px 22px;border-top:1px solid var(--line)}
.tip{background:var(--blue-50);border:1px solid var(--line);border-radius:10px;
  padding:10px 12px;font-size:12.5px;color:var(--ink-2);margin-bottom:16px}
.drawer-body label,.modal-body label{display:block;font-size:12.5px;color:var(--ink-3);margin:12px 0 6px}
.drawer-body input,.drawer-body select,.drawer-body textarea,.modal-body input,.modal-body select,.modal-body textarea{
  width:100%;padding:11px 13px;border:1px solid var(--line);border-radius:10px;background:#fff}
.drawer-body input:focus,.modal-body input:focus{border-color:var(--blue)}
.code-row{display:flex;gap:8px}
.code-row input{flex:1}
.err{min-height:18px;color:var(--err);font-size:12.5px;margin:10px 0}
.modal-box{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);
  width:520px;max-width:94vw;background:#fff;border-radius:16px;overflow:hidden;box-shadow:var(--shadow-lg)}
.modal-sm{width:400px}
.modal-body{padding:20px 22px;max-height:66vh;overflow:auto}
.modal-foot{padding:14px 22px;border-top:1px solid var(--line);display:flex;justify-content:flex-end;gap:10px}

/* ---------- 会员中心 ---------- */
.member-top{padding:18px 22px;background:linear-gradient(120deg,#f0f6ff,#ffffff);
  border-bottom:1px solid var(--line);display:flex;align-items:center;gap:14px;flex-wrap:wrap}
.avatar{width:46px;height:46px;border-radius:50%;background:var(--blue);color:#fff;
  display:flex;align-items:center;justify-content:center;font-weight:800;font-size:17px}
.member-top .info{flex:1;min-width:180px}
.member-top .info b{font-size:15px}
.member-top .info span{display:block;font-size:12px;color:var(--ink-3)}
.credits{background:#fff;border:1px solid var(--line);border-radius:12px;padding:8px 14px;text-align:center}
.credits b{display:block;color:var(--blue);font-size:19px}
.credits span{font-size:11px;color:var(--ink-3)}
.tabs{display:flex;gap:4px;padding:10px 22px 0;border-bottom:1px solid var(--line);flex-wrap:wrap}
.tab{padding:9px 14px;border:0;background:none;font-size:13.5px;color:var(--ink-3);
  cursor:pointer;border-bottom:2px solid transparent;font-weight:600}
.tab.active{color:var(--blue);border-bottom-color:var(--blue)}

/* ---------- 列表通用 ---------- */
.empty{padding:44px 20px;text-align:center;color:var(--ink-3);font-size:14px}
.empty:before{content:"🗂";display:block;font-size:30px;margin-bottom:10px;opacity:.6}
.row-card{border:1px solid var(--line);border-radius:12px;padding:14px 16px;margin-bottom:12px;background:#fff}
.row-card .rc-head{display:flex;justify-content:space-between;align-items:flex-start;gap:12px;flex-wrap:wrap}
.row-card .rc-title{font-weight:700;font-size:14.5px}
.row-card .rc-sub{font-size:12px;color:var(--ink-3);margin-top:3px;word-break:break-all}
.row-card .rc-body{margin-top:10px;font-size:13px;color:var(--ink-2)}
.row-card .rc-actions{margin-top:12px;display:flex;gap:8px;flex-wrap:wrap}
.badge-s{display:inline-block;padding:2px 9px;border-radius:999px;font-size:11.5px;font-weight:700}
.b-ok{background:#e4f7ec;color:#0f7a44}
.b-warn{background:#fff2dc;color:#a86800}
.b-err{background:#fde7e5;color:#b93328}
.b-info{background:var(--blue-100);color:var(--blue-700)}
.b-gray{background:#eef1f6;color:#5d6d88}
.code-box{font-family:Consolas,Monaco,monospace;background:var(--blue-50);border:1px dashed var(--blue);
  border-radius:8px;padding:8px 10px;font-size:13px;letter-spacing:.5px;display:flex;
  justify-content:space-between;align-items:center;gap:10px;margin-top:8px;word-break:break-all}
.redeem-box{background:var(--blue-50);border:1px solid var(--line);border-radius:12px;padding:16px;margin-bottom:18px}
.redeem-box h5{font-size:14px;margin-bottom:10px}
.redeem-row{display:flex;gap:8px}
.redeem-row input{flex:1}
.cart-item{display:flex;justify-content:space-between;align-items:center;gap:12px;
  padding:12px 0;border-bottom:1px dashed var(--line)}
.cart-item .ci-name{font-weight:600;font-size:14px}
.cart-item .ci-sub{font-size:12px;color:var(--ink-3)}
.qty{display:flex;align-items:center;gap:6px}
.qty button{width:26px;height:26px;border-radius:7px;border:1px solid var(--line);
  background:#fff;cursor:pointer;font-weight:700;color:var(--blue)}
.qty span{min-width:26px;text-align:center;font-size:14px}
.cart-total{display:flex;justify-content:space-between;font-size:15px;margin-bottom:12px}
.cart-total b{color:var(--blue);font-size:19px}
.pay-methods{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin:14px 0}
.pay-m{border:1px solid var(--line);border-radius:12px;padding:14px;text-align:center;cursor:pointer;font-size:13px}
.pay-m.active{border-color:var(--blue);background:var(--blue-50);color:var(--blue);font-weight:700}
.qr{width:180px;height:180px;margin:0 auto;border-radius:12px;border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;background:#f7faff;font-size:12px;color:var(--ink-3);text-align:center;padding:16px}

/* ---------- toast ---------- */
.toast-wrap{position:fixed;left:50%;top:80px;transform:translateX(-50%);z-index:300;
  display:flex;flex-direction:column;gap:8px;align-items:center;pointer-events:none}
.toast{background:rgba(13,27,52,.94);color:#fff;padding:11px 20px;border-radius:10px;
  font-size:13.5px;box-shadow:var(--shadow-lg);animation:tin .2s ease;max-width:80vw}
.toast.ok{background:#0f8a4d}
.toast.err{background:#c7392e}
.toast.warn{background:#b47706}
@keyframes tin{from{transform:translateY(-8px);opacity:0}to{transform:none;opacity:1}}

/* ---------- 响应式 ---------- */
@media (max-width:1000px){
  .nav-links{display:none}
  .nav-toggle{display:block;margin-left:auto}
  .hero h1{font-size:38px}
  .feat-grid,.tech-grid,.price-grid,.showcase,.model-grid{grid-template-columns:repeat(2,1fr)}
  .steps,.why-grid,.api-split,.studio{grid-template-columns:1fr}
  .footer-inner{grid-template-columns:1fr 1fr}
  .hero-stats{grid-template-columns:repeat(2,1fr)}
  .hero-visual{height:auto;display:none}
}
@media (max-width:640px){
  .sec{padding:52px 0}
  .sec-head h2{font-size:26px}
  .feat-grid,.tech-grid,.price-grid,.showcase,.model-grid,.footer-inner,
  .studio-opts,.wb-grid,.drop-thumbs{grid-template-columns:1fr}
  .drop-thumbs{grid-template-columns:repeat(3,1fr)}
  .drawer-panel,.drawer-wide .drawer-panel{width:100%}
  .nav-actions .btn-outline{display:none}
}