/* ============================================================
   禁漫启卷 · 万漫归心  —  「宣卷·编辑部」设计系统
   色彩：米宣纸底 / 松墨青 / 赭石琥珀 / 陶土红 / 梅紫
   ============================================================ */

:root{
  --paper:#FBF7EF;
  --paper-2:#F3ECDF;
  --paper-3:#FFFDF9;
  --ink:#14332D;
  --ink-soft:#4A6560;
  --line:rgba(20,51,45,.12);
  --line-strong:rgba(20,51,45,.22);
  --jade:#0E7C6B;
  --jade-deep:#0A5548;
  --amber:#E9A13B;
  --clay:#D9694A;
  --plum:#B07AA8;
  --radius:18px;
  --ease:cubic-bezier(.2,.8,.3,1);
}

/* ---------------- 基础重置 ---------------- */
*, *::before, *::after { margin:0; padding:0; box-sizing:border-box; }

html{ scroll-behavior:smooth; }

body {
  font-family: system-ui, -apple-system, 'PingFang SC', 'Microsoft YaHei', sans-serif;
  overflow-x:hidden;
  color:var(--ink);
  line-height:1.75;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
  background-color:var(--paper);
  background-image:
    linear-gradient(rgba(20,51,45,.032) 1px, transparent 1px),
    linear-gradient(90deg, rgba(20,51,45,.032) 1px, transparent 1px),
    radial-gradient(circle at 6% 4%, rgba(233,161,59,.16), transparent 38%),
    radial-gradient(circle at 94% 0%, rgba(14,124,107,.14), transparent 42%);
  background-size:74px 74px, 74px 74px, 100% 100%, 100% 100%;
  background-attachment:fixed;
}

::selection{ background:var(--amber); color:#241A05; }

h1,h2,h3,h4{
  font-family:Georgia, 'Songti SC', 'Noto Serif SC', 'Times New Roman', serif;
  line-height:1.25;
  letter-spacing:-.015em;
  font-weight:700;
}

/* ---------------- 核心布局 ---------------- */
.container { max-width:1200px; margin:0 auto; padding:0 24px; }

.section { padding:80px 0; position:relative; }

.section:nth-child(even) {
  background:#F3ECDF;
  background-image:
    radial-gradient(circle at 100% 0%, rgba(176,122,168,.10), transparent 45%),
    radial-gradient(circle at 0% 100%, rgba(14,124,107,.08), transparent 45%);
}

/* ---------------- 导航 — 固定顶部 ---------------- */
.site-header {
  position:fixed; top:0; left:0; width:100%; z-index:1000;
  background:rgba(251,247,239,.82);
  backdrop-filter:blur(16px) saturate(150%);
  -webkit-backdrop-filter:blur(16px) saturate(150%);
  border-bottom:1px solid var(--line);
}
.site-header::before{
  content:''; position:absolute; top:0; left:0; width:100%; height:3px;
  background:linear-gradient(90deg,var(--jade) 0%,var(--amber) 52%,var(--clay) 100%);
}

.header-inner {
  display:flex; align-items:center; justify-content:space-between;
  height:68px; max-width:1200px; margin:0 auto; padding:0 24px;
}

.logo {
  display:flex; align-items:center; gap:10px;
  font-weight:800; font-size:1.14rem; text-decoration:none; color:var(--ink);
  letter-spacing:-.02em; white-space:nowrap;
}
.logo-icon {
  width:36px; height:36px; border-radius:12px 12px 12px 3px;
  display:flex; align-items:center; justify-content:center;
  font-size:.95rem; font-weight:800; color:#FBF7EF;
  background:linear-gradient(145deg,var(--jade),var(--jade-deep));
  box-shadow:0 8px 18px -9px rgba(10,85,72,.95);
  flex:0 0 auto;
}

.main-nav { display:flex; align-items:center; gap:26px; list-style:none; }
.main-nav a {
  text-decoration:none; font-size:.9rem; font-weight:600; color:var(--ink-soft);
  transition:color .22s var(--ease); position:relative; padding:4px 0;
}
.main-nav a::after{
  content:''; position:absolute; left:0; bottom:0; height:2px; width:0;
  background:var(--amber); border-radius:2px; transition:width .28s var(--ease);
}
.main-nav a:hover{ color:var(--ink); }
.main-nav a:hover::after{ width:100%; }

.nav-cta {
  padding:9px 22px; border-radius:999px; color:#fff !important; font-weight:700;
  background:linear-gradient(140deg,var(--jade),var(--jade-deep));
  box-shadow:0 10px 22px -12px rgba(10,85,72,.95);
  transition:transform .25s var(--ease), box-shadow .25s var(--ease);
}
.nav-cta::after{ display:none; }
.nav-cta:hover{ transform:translateY(-2px); box-shadow:0 16px 28px -14px rgba(10,85,72,1); }

.menu-toggle {
  display:none; width:42px; height:42px; border-radius:12px;
  align-items:center; justify-content:center; cursor:pointer;
  border:1px solid var(--line-strong); background:var(--paper-3);
  font-size:1.1rem; color:var(--ink);
}

/* ---------------- 首页 Hero ---------------- */
.hero {
  min-height:70vh; display:flex; align-items:center;
  padding:150px 0 92px; position:relative; overflow:hidden;
}
.hero::before{
  content:''; position:absolute; right:-140px; top:70px;
  width:460px; height:460px; border-radius:50%; pointer-events:none;
  background:radial-gradient(circle at 35% 35%, rgba(233,161,59,.42), rgba(233,161,59,0) 68%);
  filter:blur(6px);
}
.hero::after{
  content:''; position:absolute; right:80px; bottom:-120px;
  width:300px; height:300px; border-radius:50%; pointer-events:none;
  border:1.5px dashed rgba(14,124,107,.38);
}
.hero .container{ position:relative; z-index:2; }

.hero-content { max-width:720px; animation:riseIn .9s var(--ease) both; }

@keyframes riseIn{
  from{ opacity:0; transform:translateY(26px); }
  to{ opacity:1; transform:translateY(0); }
}

.hero-eyebrow {
  display:inline-flex; align-items:center; gap:8px;
  font-size:.78rem; font-weight:800; letter-spacing:.2em;
  padding:6px 16px; border-radius:999px; margin-bottom:20px;
  color:var(--jade-deep);
  background:rgba(14,124,107,.10);
  border:1px solid rgba(14,124,107,.22);
}
.hero-eyebrow::before{
  content:''; width:6px; height:6px; border-radius:50%; background:var(--clay);
  box-shadow:0 0 0 4px rgba(217,105,74,.18);
}

.hero h1 {
  font-size:clamp(2.2rem,5.2vw,3.5rem);
  line-height:1.16; margin-bottom:22px; color:var(--ink);
}
.hero p {
  font-size:1.08rem; color:var(--ink-soft); max-width:560px;
  margin-bottom:34px; opacity:.92;
}

.hero-buttons { display:flex; gap:14px; align-items:flex-start; flex-wrap:wrap; }

.hero-image { border-radius:22px; overflow:hidden; border:1px solid var(--line); }
.hero-image img { width:100%; height:auto; display:block; }

/* ---------------- 按钮 ---------------- */
.btn {
  display:inline-flex; align-items:center; gap:8px;
  padding:13px 30px; border-radius:999px;
  font-weight:700; font-size:.94rem; cursor:pointer; border:none;
  text-decoration:none; white-space:nowrap;
  transition:transform .26s var(--ease), box-shadow .26s var(--ease),
             background .26s var(--ease), color .26s var(--ease);
}
.btn-primary {
  color:#fff;
  background:linear-gradient(140deg,var(--jade),var(--jade-deep));
  box-shadow:0 12px 26px -14px rgba(10,85,72,.95);
}
.btn-primary:hover { transform:translateY(-3px); box-shadow:0 20px 34px -16px rgba(10,85,72,1); }
.btn-outline { background:transparent; border:1.5px solid var(--ink); color:var(--ink); }
.btn-outline:hover { background:var(--ink); color:var(--paper); transform:translateY(-3px); }

/* ---------------- 标签 / 标题 ---------------- */
.section-label {
  display:inline-flex; align-items:center; gap:10px;
  font-size:.76rem; font-weight:800; letter-spacing:.24em;
  text-transform:uppercase; color:var(--jade); margin-bottom:14px;
}
.section-label::before{
  content:''; width:28px; height:2px; border-radius:2px;
  background:linear-gradient(90deg,var(--amber),var(--clay));
}

.section-title {
  font-size:clamp(1.65rem,3.2vw,2.35rem);
  margin-bottom:14px; color:var(--ink);
}
.section-desc {
  max-width:600px; color:var(--ink-soft); margin-bottom:44px;
  font-size:1rem; opacity:.92;
}

/* ---------------- 卡片网格 ---------------- */
.cards-grid {
  display:grid; grid-template-columns:repeat(auto-fill,minmax(260px,1fr));
  gap:24px;
}

.category-card {
  position:relative; overflow:hidden;
  background:var(--paper-3);
  border-radius:var(--radius); padding:30px 28px;
  border:1px solid var(--line);
  box-shadow:0 1px 0 rgba(20,51,45,.03);
  transition:transform .3s var(--ease), box-shadow .3s var(--ease), border-color .3s var(--ease);
}
.category-card::after{
  content:''; position:absolute; right:-60px; bottom:-70px;
  width:170px; height:170px; border-radius:50%; opacity:0;
  background:radial-gradient(circle, rgba(233,161,59,.28), transparent 70%);
  transition:opacity .4s var(--ease);
}
.category-card:hover {
  transform:translateY(-6px);
  border-color:rgba(14,124,107,.34);
  box-shadow:0 24px 44px -26px rgba(20,51,45,.62);
}
.category-card:hover::after{ opacity:1; }

.card-icon {
  width:50px; height:50px; border-radius:15px;
  display:flex; align-items:center; justify-content:center;
  margin-bottom:18px; font-size:1.3rem;
  color:var(--jade-deep);
  background:linear-gradient(145deg, rgba(14,124,107,.16), rgba(14,124,107,.05));
  position:relative; z-index:1;
}
.category-card:nth-child(3n+2) .card-icon{
  color:#8A5A0B;
  background:linear-gradient(145deg, rgba(233,161,59,.26), rgba(233,161,59,.06));
}
.category-card:nth-child(3n+3) .card-icon{
  color:#9A3E24;
  background:linear-gradient(145deg, rgba(217,105,74,.22), rgba(217,105,74,.05));
}

.category-card h3{ font-size:1.12rem; margin-bottom:8px; position:relative; z-index:1; }
.category-card p{ font-size:.92rem; color:var(--ink-soft); margin-bottom:16px; position:relative; z-index:1; }

.card-link {
  display:inline-flex; align-items:center; gap:7px;
  font-weight:700; font-size:.85rem; text-decoration:none;
  color:var(--jade); position:relative; z-index:1;
}
.card-link::after{ content:'→'; transition:transform .28s var(--ease); }
.card-link:hover::after{ transform:translateX(5px); }

/* ---------------- 特性块 ---------------- */
.feature-block {
  display:grid; grid-template-columns:1fr 1fr;
  gap:56px; align-items:center;
}
.feature-image {
  border-radius:22px; overflow:hidden; border:1px solid var(--line);
  box-shadow:0 28px 50px -34px rgba(20,51,45,.7);
  position:relative;
}
.feature-image::before{
  content:''; position:absolute; inset:0; z-index:1; pointer-events:none;
  background:linear-gradient(200deg, rgba(233,161,59,.18), transparent 55%);
}
.feature-image img { width:100%; height:auto; display:block; }

.feature-text h2{ font-size:clamp(1.5rem,2.8vw,2.1rem); margin-bottom:14px; }
.feature-text p{ color:var(--ink-soft); margin-bottom:18px; }

.feature-list { list-style:none; }
.feature-list li {
  padding:9px 0; display:flex; align-items:flex-start; gap:11px;
  font-size:.95rem; color:var(--ink-soft);
  border-bottom:1px dashed var(--line);
}
.feature-list li::before {
  content:'✓'; font-weight:800; font-size:.78rem;
  flex:0 0 auto; margin-top:5px;
  width:20px; height:20px; border-radius:50%;
  display:inline-flex; align-items:center; justify-content:center;
  color:#fff; background:linear-gradient(145deg,var(--jade),var(--jade-deep));
}

/* ---------------- 数据条 ---------------- */
.stats-bar {
  display:grid; grid-template-columns:repeat(4,1fr);
  gap:24px; text-align:center;
}
.stat-item {
  position:relative; overflow:hidden;
  padding:32px 20px; border-radius:var(--radius);
  border:1px solid var(--line); background:var(--paper-3);
  transition:transform .3s var(--ease), box-shadow .3s var(--ease);
}
.stat-item::before{
  content:''; position:absolute; top:0; left:50%; transform:translateX(-50%);
  width:48px; height:3px; border-radius:0 0 4px 4px;
  background:var(--amber);
}
.stat-item:nth-child(2)::before{ background:var(--jade); }
.stat-item:nth-child(3)::before{ background:var(--clay); }
.stat-item:nth-child(4)::before{ background:var(--plum); }
.stat-item:hover{ transform:translateY(-5px); box-shadow:0 22px 40px -26px rgba(20,51,45,.6); }

.stat-number {
  font-size:clamp(1.9rem,3.4vw,2.5rem);
  font-weight:800; line-height:1.1; letter-spacing:-.03em;
  color:var(--jade-deep);
  font-family:Georgia, system-ui, sans-serif;
}
.stat-item:nth-child(2) .stat-number{ color:#8A5A0B; }
.stat-item:nth-child(3) .stat-number{ color:#9A3E24; }
.stat-item:nth-child(4) .stat-number{ color:#7A4A72; }

.stat-label {
  font-size:.88rem; color:var(--ink-soft);
  margin-top:8px; letter-spacing:.06em;
}

/* ---------------- 内容墙 ---------------- */
.content-wall {
  display:grid; grid-template-columns:repeat(auto-fill,minmax(280px,1fr));
  gap:24px;
}
.content-wall-item {
  border-radius:var(--radius); overflow:hidden;
  border:1px solid var(--line); background:var(--paper-3);
  transition:transform .3s var(--ease), box-shadow .3s var(--ease), border-color .3s var(--ease);
}
.content-wall-item:hover {
  transform:translateY(-6px);
  border-color:rgba(14,124,107,.3);
  box-shadow:0 26px 46px -28px rgba(20,51,45,.65);
}
.content-wall-item img {
  width:100%; height:200px; object-fit:cover; display:block;
  transition:transform .6s var(--ease);
}
.content-wall-item:hover img{ transform:scale(1.06); }

.content-wall-body { padding:22px 22px 26px; }
.content-wall-body h3{ font-size:1.05rem; margin-bottom:8px; }
.content-wall-body p{ font-size:.9rem; color:var(--ink-soft); }

/* ---------------- FAQ ---------------- */
.faq-list { max-width:800px; margin:0 auto; }

.faq-item {
  border:1px solid var(--line); border-radius:14px;
  margin-bottom:10px; overflow:hidden; cursor:pointer;
  background:var(--paper-3);
  transition:border-color .28s var(--ease), box-shadow .28s var(--ease), background .28s var(--ease);
}
.faq-item .faq-question {
  padding:18px 22px; font-weight:700; font-size:.98rem;
  display:flex; justify-content:space-between; align-items:center; gap:16px;
  color:var(--ink);
}
.faq-item .faq-question::after{
  content:'+'; flex:0 0 auto; font-size:1.35rem; font-weight:400;
  color:var(--jade); line-height:1; transition:transform .3s var(--ease);
}
.faq-item .faq-answer {
  padding:0 22px 18px; display:none;
  font-size:.94rem; color:var(--ink-soft);
}
.faq-item:hover{ border-color:var(--line-strong); }
.faq-item.open {
  background:#fff;
  border-color:rgba(14,124,107,.36);
  box-shadow:0 18px 36px -26px rgba(20,51,45,.6);
}
.faq-item.open .faq-answer { display:block; animation:riseIn .4s var(--ease) both; }
.faq-item.open .faq-question::after { transform:rotate(135deg); color:var(--clay); }

/* ---------------- CTA 横幅 ---------------- */
.cta-banner {
  position:relative; overflow:hidden;
  padding:64px 24px; text-align:center; border-radius:26px; color:#fff;
  background:
    radial-gradient(circle at 12% 20%, rgba(233,161,59,.38), transparent 46%),
    radial-gradient(circle at 88% 90%, rgba(217,105,74,.34), transparent 48%),
    linear-gradient(135deg, #0E7C6B 0%, #0A5548 58%, #123F44 100%);
  box-shadow:0 34px 60px -34px rgba(10,85,72,.9);
}
.cta-banner::before{
  content:''; position:absolute; inset:0; pointer-events:none; opacity:.5;
  background-image:
    linear-gradient(rgba(255,255,255,.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.08) 1px, transparent 1px);
  background-size:56px 56px;
}
.cta-banner h2 {
  color:#fff; font-size:clamp(1.5rem,3vw,2.1rem); margin-bottom:14px;
  position:relative; z-index:1;
}
.cta-banner p {
  color:rgba(255,255,255,.86); max-width:560px; margin:0 auto 30px;
  position:relative; z-index:1;
}
.cta-banner .btn-primary {
  position:relative; z-index:1;
  background:#fff; color:var(--jade-deep);
  box-shadow:0 16px 30px -16px rgba(0,0,0,.5);
}
.cta-banner .btn-primary:hover{ background:#FFF7E8; color:#083F36; }

/* ---------------- 页脚 ---------------- */
.site-footer {
  position:relative; padding:64px 0 28px;
  background:var(--paper-2);
  border-top:1px solid var(--line);
}
.site-footer::before{
  content:''; position:absolute; top:-1px; left:0; width:100%; height:3px;
  background:linear-gradient(90deg,var(--clay) 0%,var(--amber) 48%,var(--jade) 100%);
}
.site-footer .container { }

.footer-grid { display:grid; grid-template-columns:2fr 1fr 1fr 1fr; gap:40px; }

.footer-brand { }
.footer-brand .logo{ margin-bottom:14px; }
.footer-brand p{
  font-size:.9rem; color:var(--ink-soft); max-width:300px; line-height:1.8;
}

.footer-col { }
.footer-col h4{
  font-size:.85rem; font-weight:800; letter-spacing:.16em;
  text-transform:uppercase; color:var(--jade-deep); margin-bottom:16px;
}
.footer-col a {
  display:block; color:var(--ink-soft); text-decoration:none;
  font-size:.9rem; padding:5px 0;
  transition:color .22s var(--ease), transform .22s var(--ease);
}
.footer-col a:hover{ color:var(--jade); transform:translateX(4px); }

.footer-bottom {
  border-top:1px solid var(--line);
  margin-top:44px; padding-top:22px; text-align:center;
  font-size:.84rem; color:var(--ink-soft); letter-spacing:.02em;
}
.footer-bottom a{ color:var(--jade); text-decoration:none; }

/* ---------------- 工具类 ---------------- */
.text-accent { color:var(--jade); }
.text-center { text-align:center; }
.text-center .section-desc{ margin-left:auto; margin-right:auto; }
.seo-description {
  max-width:640px; margin:0 auto 48px;
  color:var(--ink-soft); font-size:.98rem; line-height:1.9;
}
.mt-0 { margin-top:0; }
.mb-0 { margin-bottom:0; }

/* 滚动条 */
::-webkit-scrollbar{ width:10px; }
::-webkit-scrollbar-track{ background:var(--paper-2); }
::-webkit-scrollbar-thumb{
  background:linear-gradient(180deg,var(--jade),var(--jade-deep));
  border-radius:8px; border:2px solid var(--paper-2);
}

/* ---------------- ⚠️ 响应式 ---------------- */
@media (max-width: 980px){
  .feature-block { gap:36px; }
  .footer-grid { grid-template-columns:1.6fr 1fr 1fr; }
}

@media (max-width: 768px) {
  .section { padding:60px 0; }
  .feature-block { grid-template-columns:1fr; }
  .stats-bar { grid-template-columns:repeat(2,1fr); }
  .footer-grid { grid-template-columns:1fr 1fr; gap:32px; }

  .main-nav { display:none; }
  .menu-toggle { display:flex; }

  .main-nav.open {
    display:flex; flex-direction:column; align-items:stretch;
    position:absolute; top:68px; left:0; width:100%;
    background:var(--paper-3); padding:20px 24px 26px; gap:6px;
    border-bottom:1px solid var(--line);
    box-shadow:0 24px 40px -28px rgba(20,51,45,.6);
  }
  .main-nav.open a{
    padding:11px 0; font-size:1rem; border-bottom:1px dashed var(--line);
  }
  .main-nav.open a::after{ display:none; }
  .main-nav.open .nav-cta{
    margin-top:14px; text-align:center; border-bottom:none;
    justify-content:center;
  }

  .hero { padding:120px 0 68px; min-height:auto; }
  .hero::before{ width:300px; height:300px; right:-120px; }
  .hero::after{ display:none; }
}

@media (max-width: 480px) {
  .cards-grid,
  .content-wall,
  .stats-bar { grid-template-columns:1fr; }
  .footer-grid { grid-template-columns:1fr; }
  .hero-buttons { flex-direction:column; }
  .hero-buttons .btn { width:100%; justify-content:center; }
  .cta-banner { padding:48px 20px; border-radius:20px; }
  .section-title { font-size:1.5rem; }
}