/* ============================================================
   爱漫书城 3.0 —— 视觉重做：分类浏览 / 试读 / 下载 / 阅读体验
   ============================================================ */
:root{
  --ink:#161a2c; --ink-2:#454a63; --muted:#7b819c;
  --brand:#6a5cff; --brand-2:#9a7bff; --brand-3:#ff7a59;
  --brand-soft:#efedff;
  --ok:#0fa678; --warn:#dd8a08; --danger:#e0453a;
  --bg:#f5f6fc; --card:#ffffff; --line:#e8e9f4;
  --radius:18px; --radius-sm:12px;
  --shadow:0 8px 26px rgba(22,26,44,.07);
  --shadow-hover:0 20px 44px rgba(106,92,255,.20);
  --head-h:66px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
html,body{margin:0;padding:0}
body{
  background:
    radial-gradient(1200px 480px at 80% -120px,rgba(154,123,255,.16),transparent 60%),
    radial-gradient(900px 420px at -60px 120px,rgba(255,122,89,.10),transparent 60%),
    var(--bg);
  color:var(--ink); font-size:15px; line-height:1.72;
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
code{font-family:ui-monospace,Menlo,Consolas,monospace;background:#f1f1fa;padding:2px 6px;border-radius:6px;font-size:.9em}
h1,h2,h3,h4{line-height:1.35;margin:0 0 .5em}
p{margin:0 0 .8em}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px}
.container{max-width:1160px;margin:0 auto;padding:0 18px}
.container.narrow{max-width:740px}

/* ---------- 顶栏 ---------- */
.site-header{background:rgba(255,255,255,.86);backdrop-filter:saturate(180%) blur(14px);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:40}
.header-inner{display:flex;align-items:center;gap:16px;height:var(--head-h)}
.logo{font-weight:800;font-size:19px;letter-spacing:.4px;display:flex;align-items:center;gap:9px;white-space:nowrap;background:linear-gradient(120deg,var(--brand),var(--brand-3));-webkit-background-clip:text;background-clip:text;color:transparent}
.logo-crab{display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;border-radius:11px;font-size:17px;color:#fff;background:linear-gradient(140deg,var(--brand),var(--brand-3));box-shadow:0 8px 18px rgba(106,92,255,.30);-webkit-text-fill-color:#fff}
.main-nav{display:flex;gap:18px;flex:1}
.main-nav a{color:var(--ink-2);font-size:14.5px;padding:6px 0;position:relative}
.main-nav a::after{content:"";position:absolute;left:0;right:0;bottom:0;height:2px;border-radius:2px;background:linear-gradient(90deg,var(--brand),var(--brand-3));transform:scaleX(0);transition:transform .2s ease}
.main-nav a:hover{color:var(--brand)}
.main-nav a:hover::after{transform:scaleX(1)}
.main-nav a.admin-link{color:var(--brand);font-weight:700}
.header-search{display:flex;gap:6px;align-items:center;background:#f7f7fd;border:1px solid var(--line);border-radius:999px;padding:4px 4px 4px 14px}
.header-search input{width:160px;padding:6px 0;border:none;background:transparent;font-size:14px}
.header-search input:focus{outline:none}
.header-search button{border:none;background:linear-gradient(120deg,var(--brand),var(--brand-2));color:#fff;font-weight:600;border-radius:999px;padding:7px 15px;cursor:pointer;font-size:13.5px}
.header-search button:hover{filter:brightness(1.06)}
.header-user{display:flex;align-items:center;gap:8px;white-space:nowrap}
.user-name{font-size:13px;color:var(--muted)}

/* ---------- 首页 hero ---------- */
.hero{position:relative;overflow:hidden;border-bottom:1px solid var(--line);background:linear-gradient(160deg,#f2efff 0%,#f8f6ff 42%,#fff5f0 100%)}
.hero-blob{position:absolute;border-radius:50%;filter:blur(46px);opacity:.5;pointer-events:none}
.hero-blob.b1{width:360px;height:360px;left:-90px;top:-120px;background:#b7aaff}
.hero-blob.b2{width:300px;height:300px;right:6%;top:-90px;background:#ffc4ae}
.hero-blob.b3{width:260px;height:260px;right:28%;bottom:-140px;background:#a9e4ff}
.hero-inner{position:relative;display:flex;align-items:center;justify-content:space-between;gap:32px;padding:58px 18px 54px}
.hero-copy{max-width:600px}
.hero-badge{display:inline-block;background:rgba(255,255,255,.86);border:1px solid #e4e0ff;color:var(--ink-2);font-size:13px;padding:6px 14px;border-radius:999px;box-shadow:0 6px 16px rgba(106,92,255,.10);margin-bottom:16px}
.hero-copy h1{font-size:44px;line-height:1.18;letter-spacing:-1px;margin-bottom:14px}
.hero-copy h1 em{font-style:normal;background:linear-gradient(120deg,var(--brand),var(--brand-3));-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-copy p{color:var(--ink-2);font-size:16.5px;max-width:560px}
.hero-copy p b{color:var(--brand)}
.hero-actions{display:flex;gap:12px;margin-top:22px;flex-wrap:wrap}
.hero-stats{display:flex;gap:28px;list-style:none;padding:22px 0 0;margin:0;border-top:1px dashed #ddd9f5;margin-top:26px}
.hero-stats li{display:flex;flex-direction:column}
.hero-stats b{font-size:24px;background:linear-gradient(120deg,var(--brand),var(--brand-3));-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-stats span{font-size:12.5px;color:var(--muted)}
.hero-art{position:relative;flex:0 0 auto}
.art-glow{position:absolute;inset:-20px -30px;background:radial-gradient(circle at 60% 40%,rgba(106,92,255,.28),transparent 65%);filter:blur(18px)}
.art-stack{position:relative;width:322px;height:352px}
.art-book{position:absolute;top:0;width:172px;aspect-ratio:3/4;border-radius:16px;overflow:hidden;display:flex;align-items:center;justify-content:center;background:linear-gradient(150deg,var(--t1,#6a5cff),var(--t2,#9a7bff));box-shadow:0 22px 44px rgba(22,26,44,.24);transition:transform .32s cubic-bezier(.2,.8,.2,1)}
.art-book img{width:100%;height:100%;object-fit:cover}
.art-book em{position:absolute;left:0;right:0;bottom:0;font-style:normal;font-size:12.5px;font-weight:600;color:#fff;padding:28px 11px 10px;background:linear-gradient(transparent,rgba(10,10,25,.72));text-align:center}
.art-ph{font-size:46px;filter:drop-shadow(0 6px 12px rgba(0,0,0,.18))}
.art-0{left:0;top:30px;transform:rotate(-9deg);z-index:1}
.art-1{left:74px;width:188px;z-index:3}
.art-2{left:154px;top:34px;transform:rotate(9deg);z-index:2}
.art-stack:hover .art-0{transform:rotate(-14deg) translate(-6px,-8px)}
.art-stack:hover .art-2{transform:rotate(14deg) translate(6px,-8px)}
.art-stack:hover .art-1{transform:translateY(-10px)}
.art-stack.solo .art-book{left:56px;top:22px;width:206px;transform:rotate(-6deg)}
.art-stack.solo:hover .art-book{transform:rotate(-2deg) translateY(-8px)}
.hero-crab{font-size:110px;filter:drop-shadow(0 16px 28px rgba(106,92,255,.28))}

/* ---------- 区块标题 ---------- */
.section-title{font-size:22px;margin:30px 0 16px;display:flex;align-items:baseline;gap:10px;letter-spacing:-.2px}
.section-title::before{content:"";display:inline-block;width:6px;height:20px;border-radius:99px;background:linear-gradient(180deg,var(--brand),var(--brand-3));transform:translateY(2px)}
.section-count{font-size:13px;color:var(--muted);font-weight:400}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:14px;flex-wrap:wrap;margin:30px 0 16px}
.section-head .section-title{margin:0}
.section-sub{margin:0;color:var(--muted);font-size:13.5px}

/* ---------- 分类浏览 ---------- */
.cat-section{padding-top:6px}
.cat-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:14px}
.cat-card{position:relative;display:flex;flex-direction:column;gap:2px;padding:16px 16px 14px;border-radius:16px;background:var(--card);border:1px solid var(--line);overflow:hidden;transition:.2s ease;box-shadow:0 4px 14px rgba(22,26,44,.05)}
.cat-card::before{content:"";position:absolute;inset:0 0 auto 0;height:4px;background:linear-gradient(90deg,var(--t1),var(--t2))}
.cat-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:#ddd8ff}
.cat-card.active{border-color:var(--brand);box-shadow:0 0 0 2px rgba(106,92,255,.22)}
.cat-card.is-empty{opacity:.62}
.cat-icon{font-size:26px;line-height:1.2}
.cat-name{font-weight:700;font-size:15.5px}
.cat-count{font-size:12.5px;color:var(--muted)}
.cat-desc{font-size:11.5px;color:var(--muted);margin-top:4px}
.cat-tag{display:inline-flex;align-items:center;gap:3px;font-size:12.5px;padding:2px 9px;border-radius:999px;margin-right:6px;background:linear-gradient(120deg,var(--t1,#6a5cff),var(--t2,#9a7bff));color:#fff}

/* ---------- 三步流程 ---------- */
.steps-strip{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:14px;margin-top:34px}
.step-card{position:relative;background:var(--card);border:1px solid var(--line);border-radius:16px;padding:20px 18px 16px;box-shadow:var(--shadow)}
.step-card h4{font-size:15.5px;margin:10px 0 4px}
.step-card p{margin:0;font-size:13.5px;color:var(--muted)}
.step-badge{display:inline-flex;align-items:center;justify-content:center;width:30px;height:30px;border-radius:10px;font-weight:800;font-size:14px;color:#fff;background:linear-gradient(140deg,var(--brand),var(--brand-3));box-shadow:0 8px 16px rgba(106,92,255,.24)}

/* ---------- 书卡网格 ---------- */
.shelf{padding-bottom:26px}
.book-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(196px,1fr));gap:18px;padding-bottom:30px}
.book-card{position:relative;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;display:flex;flex-direction:column;transition:.2s ease;box-shadow:0 4px 14px rgba(22,26,44,.05)}
.book-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-hover);border-color:#ddd8ff}
.book-cover{position:relative;aspect-ratio:3/4;background:linear-gradient(150deg,var(--t1,#6a5cff),var(--t2,#9a7bff));display:flex;align-items:center;justify-content:center;overflow:hidden}
.book-cover::after{content:"";position:absolute;left:0;top:0;bottom:0;width:10px;background:linear-gradient(90deg,rgba(0,0,0,.20),transparent)}
.book-cover img{width:100%;height:100%;object-fit:cover}
.cover-placeholder{font-size:52px;font-weight:800;color:#fff;opacity:.94;text-shadow:0 8px 18px rgba(0,0,0,.18)}
.cover-placeholder.big{font-size:82px}
.cover-badge{position:absolute;left:12px;top:12px;background:rgba(255,255,255,.95);color:var(--brand);font-size:12px;font-weight:700;padding:3px 11px;border-radius:999px;box-shadow:0 3px 10px rgba(0,0,0,.14);z-index:2}
.cover-badge.badge-sold{color:var(--danger);background:rgba(255,241,240,.96)}
.cover-badge.badge-ok{color:var(--ok);background:rgba(236,255,248,.96)}
.book-meta{padding:13px 15px 15px;display:flex;flex-direction:column;gap:4px;flex:1}
.book-title{font-size:15.5px;margin:0}
.book-title a:hover{color:var(--brand)}
.book-author{color:var(--muted);font-size:12.5px;margin:0}
.book-tags{margin:6px 0 10px;display:flex;flex-wrap:wrap;gap:4px;align-items:center}
.book-actions{margin-top:auto;display:flex;gap:8px}
.book-actions .btn{flex:1}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;border:1px solid transparent;border-radius:var(--radius-sm);padding:10px 17px;font-size:14.5px;font-weight:600;cursor:pointer;transition:.16s ease;background:#fff;color:var(--ink);white-space:nowrap}
.btn-primary{background:linear-gradient(120deg,var(--brand),var(--brand-2));color:#fff;box-shadow:0 8px 20px rgba(106,92,255,.28)}
.btn-primary:hover{transform:translateY(-1px);box-shadow:0 12px 28px rgba(106,92,255,.36)}
.btn-outline{border-color:#cfc9ff;color:var(--brand);background:#fff}
.btn-outline:hover{background:var(--brand-soft);border-color:var(--brand)}
.btn-ghost{border-color:var(--line);color:var(--ink-2);background:#fff}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand)}
.btn-download{background:linear-gradient(120deg,#0fa678,#25c48a);color:#fff;box-shadow:0 8px 20px rgba(15,166,120,.26)}
.btn-download:hover{transform:translateY(-1px);box-shadow:0 12px 26px rgba(15,166,120,.34)}
.btn-flat{background:#f1f1f8;color:var(--muted);border-color:transparent;cursor:default}
.btn-danger{background:#fff;border-color:#f3c9c6;color:var(--danger)}
.btn-danger:hover{background:#fdf1f0}
.btn-sm{padding:6px 12px;font-size:13px;border-radius:9px}
.btn-lg{padding:14px 26px;font-size:16px;border-radius:14px}
.btn-block{width:100%}
.btn.disabled,.btn[disabled]{opacity:.5;cursor:not-allowed;transform:none!important}

/* ---------- 标签 ---------- */
.tag{display:inline-block;background:var(--brand-soft);color:var(--brand);font-size:12.5px;padding:2px 9px;border-radius:999px;margin-right:6px}
.tag-gray{background:#f1f1f8;color:var(--muted)}
.tag-unlocked{background:#e6f7f1;color:var(--ok)}
.tag-sold{background:#fdeceb;color:var(--danger)}
.tag-price{background:#fff3e6;color:var(--warn)}
.tag-free{background:#e8f8ef;color:#0b8a5e}

/* ---------- 书籍详情 ---------- */
.crumb{font-size:13.5px;color:var(--muted);margin:20px 0 16px;display:flex;gap:8px;flex-wrap:wrap}
.crumb a:hover{color:var(--brand)}
.book-detail{position:relative;display:grid;grid-template-columns:270px 1fr;gap:30px;background:var(--card);border:1px solid var(--line);border-radius:22px;padding:26px;box-shadow:var(--shadow);overflow:hidden}
.book-detail::before{content:"";position:absolute;left:0;right:0;top:0;height:5px;background:linear-gradient(90deg,var(--t1,#6a5cff),var(--t2,#9a7bff))}
.book-detail-cover{position:relative;border-radius:16px;overflow:hidden;background:linear-gradient(150deg,var(--t1,#6a5cff),var(--t2,#9a7bff));aspect-ratio:3/4;display:flex;align-items:center;justify-content:center;box-shadow:0 18px 34px rgba(22,26,44,.16)}
.book-detail-cover img{width:100%;height:100%;object-fit:cover}
.detail-title{font-size:28px;margin-bottom:6px;letter-spacing:-.4px}
.detail-author{color:var(--muted);font-size:14px;margin-bottom:10px}
.intro-box{background:linear-gradient(180deg,#fbfbff,#f8f8fe);border:1px solid var(--line);border-radius:14px;padding:15px 18px;margin:16px 0}
.intro-box h3{font-size:14px;color:var(--muted);margin-bottom:6px;letter-spacing:.5px}
.intro-box p{margin:0;color:var(--ink-2)}
.detail-actions{display:flex;gap:10px;flex-wrap:wrap;align-items:center;margin-bottom:14px}
.perks{list-style:none;padding:0;margin:12px 0 6px;display:flex;flex-wrap:wrap;gap:8px}
.perks li{background:#f7f7fd;border:1px solid var(--line);border-radius:999px;padding:5px 13px;font-size:13px;color:var(--ink-2)}
.hint{font-size:13.5px;color:var(--muted)}
.hint a{color:var(--brand);font-weight:600}
.notice-sold{color:var(--danger);font-size:14px;background:#fdeceb;padding:7px 12px;border-radius:10px}

/* ---------- 章节列表 ---------- */
.chapter-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(236px,1fr));gap:10px;padding-bottom:36px}
.chapter-item{background:#fff;border:1px solid var(--line);border-radius:11px;padding:11px 13px;display:flex;gap:10px;align-items:center;font-size:14px;transition:.16s ease}
.chapter-item:hover{border-color:var(--brand);color:var(--brand);transform:translateX(3px);box-shadow:0 8px 18px rgba(106,92,255,.10)}
.chapter-item.chapter-free{border-left:3px solid #25c48a;background:linear-gradient(120deg,#f6fffb,#fff)}
.chapter-item.chapter-locked{border-style:dashed;color:var(--muted);background:#fbfbfe}
.chapter-item.chapter-locked:hover{border-color:var(--brand);color:var(--brand)}
.ch-idx{color:var(--muted);font-size:12.5px;min-width:22px}
.ch-title{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;flex:1}
.ch-free-tag{font-size:11px;color:#0b8a5e;background:#e8f8ef;border-radius:99px;padding:1px 8px}

/* ---------- 购买页 ---------- */
.buy-layout{display:grid;grid-template-columns:260px 1fr;gap:26px;align-items:start;padding-bottom:40px}
.buy-book{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:18px;text-align:center;box-shadow:var(--shadow);position:sticky;top:calc(var(--head-h) + 16px)}
.buy-book img,.buy-book .cover-placeholder{width:100%;aspect-ratio:3/4;object-fit:cover;border-radius:14px;background:linear-gradient(150deg,#6a5cff,#9a7bff);display:flex;align-items:center;justify-content:center}
.buy-book h3{margin:14px 0 2px;font-size:17px}
.buy-book .muted{font-size:13.5px}
.price-big{font-size:26px;font-weight:800;background:linear-gradient(120deg,var(--brand),var(--brand-3));-webkit-background-clip:text;background-clip:text;color:transparent;margin:8px 0 0}
.buy-main{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:28px;box-shadow:var(--shadow)}
.buy-title{font-size:26px;margin-bottom:6px}
.buy-lead{color:var(--muted);font-size:14px;margin-bottom:20px}
.buy-steps{list-style:none;padding:0;margin:0 0 20px;display:flex;flex-direction:column;gap:16px}
.buy-steps>li{display:flex;gap:14px;background:linear-gradient(180deg,#fbfbff,#f8f8fe);border:1px solid var(--line);border-radius:16px;padding:18px}
.step-no{flex:0 0 30px;height:30px;border-radius:50%;background:linear-gradient(120deg,var(--brand),var(--brand-3));color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:14px}
.buy-steps h4{font-size:15.5px;margin-bottom:4px}
.buy-steps .muted{font-size:13.5px;margin-bottom:10px}
.buy-note{background:#fffaf3;border:1px solid #f6e3c8;border-radius:14px;padding:14px 16px;margin-bottom:18px}
.buy-note h4{font-size:15px;color:var(--warn);margin-bottom:5px}
.buy-note p{margin:0;color:var(--ink-2);font-size:14px}
.buy-actions{display:flex;gap:10px;flex-wrap:wrap;align-items:center}
.notice{padding:13px 17px;border-radius:14px;margin-bottom:16px;font-size:14.5px}
.notice.ok{background:#e9f8f2;color:#0e7c5a;border:1px solid #bfe9da}
.notice.warn{background:#fdf3e6;color:#a55f04;border:1px solid #f3ddb9}
.pay-btns{display:flex;gap:12px;flex-wrap:wrap;margin:12px 0 6px}
.pay-btns .btn{min-width:180px;justify-content:center}

/* ---------- 表单 ---------- */
.form-row{margin-bottom:14px}
.form-row label{display:block;font-size:13.5px;color:var(--ink-2);margin-bottom:6px;font-weight:600}
.form-row input,.form-row select,.form-row textarea{width:100%;padding:10px 12px;border:1px solid var(--line);border-radius:10px;font-size:14.5px;font-family:inherit;background:#fff}
.form-row input:focus,.form-row select:focus,.form-row textarea:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px var(--brand-soft)}
.form-row.two{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px 18px}
.form-grid label{display:block;font-size:13.5px;color:var(--ink-2);margin-bottom:6px;font-weight:600}
.form-grid input,.form-grid select,.form-grid textarea{width:100%;padding:10px 12px;border:1px solid var(--line);border-radius:10px;font-size:14.5px;font-family:inherit;background:#fff}
.form-grid input:focus,.form-grid select:focus,.form-grid textarea:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px var(--brand-soft)}
.form-grid .muted.small{display:block;margin-top:4px}
.form-full{grid-column:1 / -1}
.redeem-form{display:flex;gap:10px;margin-top:12px;max-width:560px}
.redeem-form input{flex:1;padding:11px 13px;border:1px solid var(--line);border-radius:11px;font-size:14.5px}
.redeem-form input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px var(--brand-soft)}
.redeem-form.centered{margin:16px auto 0;justify-content:center}
.order-form{margin-top:6px}
.auth-card{background:var(--card);border:1px solid var(--line);border-radius:20px;padding:32px;box-shadow:var(--shadow);margin:44px 0}
.auth-card h1{font-size:24px}
.auth-card .muted{font-size:14px;margin-bottom:20px}
input[type=file]{font-size:13.5px;margin-bottom:10px}
.cat-pick{display:flex;flex-wrap:wrap;gap:6px;margin-top:8px}
.cat-pick-item{border:1px solid var(--line);background:#fbfbfe;border-radius:999px;padding:4px 12px;font-size:12.5px;color:var(--ink-2);cursor:pointer;font-family:inherit}
.cat-pick-item:hover{border-color:var(--brand);color:var(--brand);background:var(--brand-soft)}

/* ---------- 面板 / 表格 / 后台 ---------- */
.panel{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:20px 22px;margin-bottom:20px;box-shadow:var(--shadow)}
.panel h3{font-size:16.5px;margin-bottom:14px}
.panel.doc h3{margin-top:18px}
.panel.doc h3:first-child{margin-top:0}
.table{width:100%;border-collapse:collapse;font-size:14px}
.table th{text-align:left;color:var(--muted);font-weight:600;font-size:13px;padding:8px 10px;border-bottom:1px solid var(--line);white-space:nowrap}
.table td{padding:10px;border-bottom:1px solid #f2f2f8;vertical-align:top}
.table tr:last-child td{border-bottom:none}
.table code{font-size:12.5px}
.row-actions{display:flex;gap:6px;flex-wrap:wrap;align-items:center}
.inline-form{display:inline-flex;gap:6px;align-items:center;margin:0}
.inline-form select,.inline-form input{padding:5px 8px;border:1px solid var(--line);border-radius:8px;font-size:13px}
.admin-nav{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:20px}
.admin-nav a{background:#fff;border:1px solid var(--line);border-radius:999px;padding:7px 15px;font-size:14px;color:var(--ink-2)}
.admin-nav a:hover{border-color:var(--brand);color:var(--brand)}
.admin-nav a.active{background:linear-gradient(120deg,var(--brand),var(--brand-2));border-color:transparent;color:#fff}
.stat-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:14px;margin-bottom:24px}
.stat-card{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:16px 18px;box-shadow:var(--shadow)}
.stat-card.highlight{background:linear-gradient(140deg,#f2efff,#fff);border-color:#ded7ff}
.stat-num{font-size:27px;font-weight:800;background:linear-gradient(120deg,var(--brand),var(--brand-3));-webkit-background-clip:text;background-clip:text;color:transparent}
.stat-label{font-size:13px;color:var(--muted)}

/* ---------- 阅读页 ---------- */
.reader-topbar{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;background:rgba(255,255,255,.94);backdrop-filter:blur(10px);border:1px solid var(--line);border-radius:14px;padding:10px 14px;margin-bottom:10px;box-shadow:var(--shadow);position:sticky;top:calc(var(--head-h) + 8px);z-index:20}
.reader-topbar-left{display:flex;flex-direction:column;line-height:1.35}
.reader-topbar-left strong{font-size:15px}
.reader-topbar-right{display:flex;gap:8px;flex-wrap:wrap}
.reader-progress{height:5px;background:#e9e9f5;border-radius:99px;overflow:hidden;margin-bottom:18px}
.reader-progress span{display:block;height:100%;border-radius:99px;background:linear-gradient(90deg,var(--brand),var(--brand-3));transition:width .3s ease}
.reading .reader-layout{display:grid;grid-template-columns:236px 1fr;gap:24px;align-items:start;padding-bottom:40px}
.reader-nav{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:16px;position:sticky;top:calc(var(--head-h) + 74px);max-height:74vh;overflow:auto;box-shadow:var(--shadow)}
.reader-nav h4{font-size:13.5px;color:var(--muted);margin-bottom:10px}
.reader-chapters{display:flex;flex-direction:column;gap:2px}
.reader-chapters a{font-size:13.5px;color:var(--ink-2);padding:6px 9px;border-radius:8px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.reader-chapters a:hover{background:#f5f3ff;color:var(--brand)}
.reader-chapters a.active{background:var(--brand-soft);color:var(--brand);font-weight:700}
.reader-main{background:var(--card);border:1px solid var(--line);border-radius:20px;padding:36px 44px 42px;box-shadow:var(--shadow)}
.trial-banner{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;background:linear-gradient(120deg,#fff3ea,#f3f0ff);border:1px solid #ffdcc6;border-radius:14px;padding:12px 16px;margin-bottom:22px;font-size:14px;color:#8a4a1c}
.chapter-title{font-size:25px;text-align:center;margin-bottom:26px;padding-bottom:16px;border-bottom:1px solid var(--line)}
.chapter-content{font-size:17.5px;line-height:2.05;color:#23273c}
.chapter-content p{margin:0 0 1.05em;text-indent:2em}
.reader-pager{display:flex;justify-content:space-between;gap:10px;margin-top:34px;padding-top:22px;border-top:1px solid var(--line)}

/* ---------- 锁定页 ---------- */
.locked-box{background:var(--card);border:1px solid var(--line);border-radius:22px;padding:50px 30px;text-align:center;margin:50px auto;max-width:620px;box-shadow:var(--shadow)}
.lock-icon{font-size:54px;margin-bottom:8px}
.locked-actions{display:flex;gap:12px;justify-content:center;margin:18px 0;flex-wrap:wrap}

/* ---------- 其它 ---------- */
.empty-state{background:var(--card);border:1px dashed #dcd8f0;border-radius:20px;padding:48px 20px;text-align:center;margin-bottom:30px;color:var(--muted)}
.empty-state h1{font-size:42px;color:#ded9ff;margin-bottom:6px}
.empty-state .btn{margin-top:12px}
.muted{color:var(--muted)}
.small{font-size:12.5px}
.cover-manage{display:flex;gap:20px;align-items:flex-start}
.cover-preview{width:120px;aspect-ratio:3/4;border-radius:12px;overflow:hidden;background:linear-gradient(150deg,#6a5cff,#9a7bff);display:flex;align-items:center;justify-content:center;flex:0 0 auto;color:#fff}
.toast{position:fixed;left:50%;bottom:38px;transform:translate(-50%,20px);background:#161a2c;color:#fff;padding:12px 20px;border-radius:12px;font-size:14.5px;opacity:0;transition:.25s ease;z-index:99;box-shadow:0 14px 34px rgba(0,0,0,.26)}
.toast.show{opacity:1;transform:translate(-50%,0)}
.toast.ok{background:linear-gradient(120deg,#0f9c72,#12b183)}
.toast.err{background:#d94438}
.site-footer{border-top:1px solid var(--line);background:#151829;color:#c9cce0;margin-top:44px;padding:34px 0}
.site-footer p{margin:0 0 6px;font-size:13.5px;text-align:center}
.footer-muted{color:#8a8fb0!important;font-size:12.5px!important}

/* ---------- 分类配色 ---------- */
.tint-rose{--t1:#ff6b81;--t2:#ff9a76}
.tint-sky{--t1:#3aa0ff;--t2:#6fd7ff}
.tint-indigo{--t1:#6a5cff;--t2:#9a8bff}
.tint-violet{--t1:#a855f7;--t2:#d8b4fe}
.tint-teal{--t1:#14b8a6;--t2:#5eead4}
.tint-amber{--t1:#f59e0b;--t2:#fcd34d}
.tint-pink{--t1:#ec4899;--t2:#f9a8d4}
.tint-cyan{--t1:#06b6d4;--t2:#67e8f9}
.tint-stone{--t1:#64748b;--t2:#cbd5e1}
.tint-olive{--t1:#65a30d;--t2:#bef264}
.tint-slate{--t1:#475569;--t2:#94a3b8}
.tint-green{--t1:#22c55e;--t2:#86efac}

/* ---------- 响应式 ---------- */
@media (max-width:1000px){
  .hero-copy h1{font-size:36px}
  .art-stack{width:280px;height:310px}
  .art-book{width:150px}
  .art-1{left:62px;width:160px}
  .art-2{left:132px}
}
@media (max-width:960px){
  .book-detail{grid-template-columns:1fr}
  .book-detail-cover{max-width:230px}
  .buy-layout{grid-template-columns:1fr}
  .buy-book{position:static;max-width:270px}
  .reading .reader-layout{grid-template-columns:1fr}
  .reader-nav{position:static;max-height:0;padding:0 16px;overflow:hidden;opacity:0;transition:.2s ease}
  .reader-nav.open{max-height:280px;padding:16px;opacity:1;overflow:auto}
  .hero-art{display:none}
}
@media (max-width:760px){
  .header-inner{flex-wrap:wrap;height:auto;padding:10px 0;gap:10px}
  .header-search{order:3;width:100%;padding:4px 4px 4px 14px;flex-wrap:nowrap}
  .header-search input{flex:1;width:auto;min-width:0}
  .main-nav{gap:14px;font-size:14px}
  .main-nav a{font-size:14px}
  .form-grid{grid-template-columns:1fr}
  .form-row.two{grid-template-columns:1fr}
  .reader-main{padding:24px 18px 28px}
  .chapter-content{font-size:16.5px}
  .hero-inner{padding:38px 18px 34px}
  .hero-copy h1{font-size:29px}
  .hero-stats{gap:20px}
  .book-grid{grid-template-columns:repeat(auto-fill,minmax(146px,1fr));gap:12px}
  .cat-grid{grid-template-columns:repeat(auto-fill,minmax(112px,1fr));gap:10px}
  .table{display:block;overflow-x:auto;white-space:nowrap}
  .reader-topbar{position:static}
}