/* ============================================================
   每日大赛 · TICKET BRUTAL LIGHT SYSTEM
   Palette: cream paper / tangerine / mint / lemon / violet ink
   ============================================================ */

:root{
  --ink:#16121F;
  --ink-soft:#565064;
  --cream:#FBF6EE;
  --cream-2:#F3FAF6;
  --paper:#FFFFFF;
  --mint:#D8F6EC;
  --mint-deep:#0FB89B;
  --coral:#FF5A36;
  --coral-deep:#E23E1C;
  --lemon:#FFE45C;
  --violet:#5B3DF5;
  --line:#E6DDD0;
  --shadow-s:4px 4px 0 rgba(22,18,31,0.9);
  --shadow-m:6px 6px 0 rgba(22,18,31,0.9);
  --shadow-l:10px 10px 0 rgba(22,18,31,0.9);
  --r-s:12px;
  --r-m:18px;
  --r-l:26px;
}

*, *::before, *::after { margin:0; padding:0; box-sizing:border-box; }

html{ scroll-behavior:smooth; -webkit-text-size-adjust:100%; }

body {
  font-family: system-ui, 'PingFang SC', 'Microsoft YaHei', sans-serif;
  overflow-x:hidden;
  background-color:var(--cream);
  background-image:
    radial-gradient(rgba(22,18,31,0.055) 1px, transparent 1px),
    radial-gradient(rgba(15,184,155,0.10) 1px, transparent 1px);
  background-size:26px 26px, 52px 52px;
  background-position:0 0, 13px 13px;
  color:var(--ink);
  line-height:1.7;
  font-size:16px;
  letter-spacing:0.01em;
}

::selection{ background:var(--violet); color:#fff; }

img{ max-width:100%; display:block; }

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

.section {
  padding:96px 0;
  position:relative;
}

.section:nth-child(even) {
  background:var(--cream-2);
  box-shadow:inset 0 1px 0 rgba(22,18,31,0.06), inset 0 -1px 0 rgba(22,18,31,0.06);
}

/* ---------- 导航 ---------- */
.site-header {
  position:fixed; top:0; left:0; width:100%; z-index:1000;
  background:rgba(251,246,238,0.92);
  backdrop-filter:blur(14px) saturate(1.4);
  -webkit-backdrop-filter:blur(14px) saturate(1.4);
  border-bottom:2px dashed var(--line);
}

.header-inner {
  display:flex; align-items:center; justify-content:space-between;
  height:74px; max-width:1200px; margin:0 auto; padding:0 24px;
}

.logo {
  display:flex; align-items:center; gap:10px;
  font-weight:900; font-size:1.18rem; text-decoration:none; color:var(--ink);
  letter-spacing:-0.02em;
}

.logo-icon {
  width:38px; height:38px; border-radius:12px 12px 12px 4px;
  display:flex; align-items:center; justify-content:center;
  font-size:1rem; font-weight:900; color:#fff;
  background:linear-gradient(140deg,var(--coral),#FF8A5B);
  border:2px solid var(--ink);
  box-shadow:3px 3px 0 var(--ink);
  transform:rotate(-6deg);
  transition:transform .3s cubic-bezier(.34,1.56,.64,1);
}
.logo:hover .logo-icon{ transform:rotate(6deg) scale(1.06); }

.main-nav { display:flex; align-items:center; gap:26px; list-style:none; }

.main-nav a {
  text-decoration:none; font-size:0.9rem; font-weight:600;
  color:var(--ink-soft); transition:0.2s; position:relative;
  padding-bottom:3px;
}
.main-nav a::after{
  content:''; position:absolute; left:0; bottom:0; height:3px; width:0;
  background:var(--coral); border-radius:3px; transition:width .28s ease;
}
.main-nav a:hover{ color:var(--ink); }
.main-nav a:hover::after{ width:100%; }

.nav-cta {
  padding:9px 20px; border-radius:10px; color:#fff !important; font-weight:700;
  background:var(--violet);
  border:2px solid var(--ink);
  box-shadow:3px 3px 0 var(--ink);
  transition:transform .18s ease, box-shadow .18s ease;
}
.nav-cta::after{ display:none; }
.nav-cta:hover{ transform:translate(-2px,-2px); box-shadow:5px 5px 0 var(--ink); }

.menu-toggle {
  display:none; width:44px; height:40px; align-items:center; justify-content:center;
  background:var(--paper); border:2px solid var(--ink); border-radius:10px;
  box-shadow:3px 3px 0 var(--ink); cursor:pointer; font-size:1.1rem; color:var(--ink);
}

/* ---------- Hero ---------- */
.hero {
  min-height:78vh; display:flex; align-items:center;
  padding:150px 0 96px;
  position:relative; overflow:hidden;
}

.hero::before,
.hero::after{
  content:''; position:absolute; border-radius:50%; z-index:0; pointer-events:none;
}
.hero::before{
  width:420px; height:420px; right:-90px; top:60px;
  background:radial-gradient(circle at 35% 35%, var(--mint), rgba(216,246,236,0));
}
.hero::after{
  width:280px; height:280px; left:-110px; bottom:-40px;
  background:radial-gradient(circle at 40% 40%, rgba(255,228,92,0.85), rgba(255,228,92,0));
}

.hero-content { max-width:760px; position:relative; z-index:2; }

.hero-eyebrow {
  display:inline-block; font-size:0.82rem; font-weight:800;
  padding:6px 16px; border-radius:8px; margin-bottom:22px;
  background:var(--lemon); color:var(--ink);
  border:2px dashed var(--ink);
  transform:rotate(-1.6deg);
  letter-spacing:0.06em;
}

.hero h1 {
  font-size:clamp(2.3rem, 5.6vw, 4.3rem);
  line-height:1.04; margin-bottom:24px;
  font-weight:900; letter-spacing:-0.035em;
}

.hero p {
  font-size:1.1rem; color:var(--ink-soft);
  max-width:560px; margin-bottom:36px; font-weight:500;
}

.hero-buttons { display:flex; gap:16px; flex-wrap:wrap; }

.hero-image {
  border-radius:var(--r-l); overflow:hidden;
  border:2px solid var(--ink);
  box-shadow:var(--shadow-l);
  background:var(--paper);
  transform:rotate(1.2deg);
}
.hero-image img { width:100%; height:auto; }

/* ---------- 按钮 ---------- */
.btn {
  display:inline-flex; align-items:center; gap:8px;
  padding:14px 30px; border-radius:12px;
  font-weight:800; font-size:0.95rem; cursor:pointer;
  border:2px solid var(--ink); text-decoration:none;
  transition:transform .18s cubic-bezier(.34,1.4,.64,1), box-shadow .18s ease, background .2s;
  letter-spacing:0.01em;
  position:relative;
}

.btn-primary {
  color:#fff;
  background:var(--coral);
  box-shadow:var(--shadow-s);
}
.btn-primary:hover{
  transform:translate(-3px,-3px);
  box-shadow:7px 7px 0 var(--ink);
  background:var(--coral-deep);
}

.btn-outline {
  background:var(--paper);
  color:var(--ink);
  border:2px solid var(--ink);
  box-shadow:var(--shadow-s);
}
.btn-outline:hover{
  transform:translate(-3px,-3px);
  box-shadow:7px 7px 0 var(--ink);
  background:var(--mint);
}

/* ---------- 标签 / 标题 ---------- */
.section-label {
  display:inline-flex; align-items:center; gap:8px;
  font-size:0.76rem; font-weight:900; letter-spacing:0.22em;
  padding:5px 14px; margin-bottom:16px;
  background:var(--mint); color:var(--ink);
  border:2px dashed var(--ink); border-radius:999px;
  transform:rotate(-1deg);
}

.section-title {
  font-size:clamp(1.6rem, 3.4vw, 2.35rem);
  margin-bottom:16px; font-weight:900; letter-spacing:-0.03em;
  line-height:1.18;
}
.section-title::after{
  content:''; display:block; width:56px; height:7px; margin-top:14px;
  border-radius:4px;
  background:linear-gradient(90deg,var(--coral) 0 60%, var(--lemon) 60% 100%);
}

.section-desc {
  max-width:620px; color:var(--ink-soft);
  margin-bottom:44px; font-size:1rem; font-weight:500;
}

/* ---------- 卡片网格 ---------- */
.cards-grid {
  display:grid;
  grid-template-columns:repeat(auto-fill,minmax(260px,1fr));
  gap:26px;
}

.category-card {
  border-radius:var(--r-m); padding:30px 26px 28px;
  background:var(--paper);
  border:2px solid var(--ink);
  box-shadow:var(--shadow-s);
  transition:transform .22s cubic-bezier(.34,1.4,.64,1), box-shadow .22s ease;
  position:relative;
  overflow:hidden;
}
.category-card::after{
  content:''; position:absolute; inset:auto -40px -40px auto;
  width:120px; height:120px; border-radius:50%;
  background:radial-gradient(circle, rgba(91,61,245,0.10), transparent 70%);
}
.category-card:hover {
  transform:translate(-4px,-4px);
  box-shadow:var(--shadow-m);
}

.card-icon {
  width:52px; height:52px; border-radius:14px;
  display:flex; align-items:center; justify-content:center;
  margin-bottom:18px; font-size:1.35rem;
  background:var(--lemon);
  border:2px solid var(--ink);
  box-shadow:3px 3px 0 var(--ink);
  transition:transform .3s cubic-bezier(.34,1.56,.64,1);
}
.category-card:hover .card-icon{ transform:rotate(-8deg) scale(1.05); }
.category-card:nth-child(3n+2) .card-icon{ background:var(--mint); }
.category-card:nth-child(3n) .card-icon{ background:#FFD9CD; }

.card-link {
  font-weight:800; font-size:0.85rem; text-decoration:none;
  color:var(--coral-deep);
  display:inline-flex; align-items:center; gap:6px;
  border-bottom:2px solid transparent;
  transition:border-color .2s, gap .2s;
}
.card-link::after{ content:'→'; transition:transform .25s ease; }
.card-link:hover{ border-color:var(--coral-deep); }
.card-link:hover::after{ transform:translateX(4px); }

/* ---------- 特性块 ---------- */
.feature-block {
  display:grid; grid-template-columns:1fr 1fr;
  gap:60px; align-items:center;
}

.feature-image {
  border-radius:var(--r-l); overflow:hidden;
  border:2px solid var(--ink);
  box-shadow:var(--shadow-m);
  background:var(--paper);
  transform:rotate(-1deg);
  transition:transform .35s ease;
}
.feature-image:hover{ transform:rotate(0deg); }
.feature-image img { width:100%; height:auto; }

.feature-text { }

.feature-list { list-style:none; margin-top:8px; }

.feature-list li {
  padding:10px 0; display:flex; align-items:center; gap:12px;
  font-weight:600; color:var(--ink-soft);
  border-bottom:1px dashed var(--line);
}
.feature-list li:last-child{ border-bottom:none; }

.feature-list li::before {
  content:'✓';
  font-weight:900; font-size:0.72rem; color:#fff;
  width:22px; height:22px; flex:0 0 22px;
  display:flex; align-items:center; justify-content:center;
  background:var(--mint-deep); border-radius:50%;
  border:1.5px solid var(--ink);
}

/* ---------- 数据条 ---------- */
.stats-bar {
  display:grid; grid-template-columns:repeat(4,1fr);
  gap:24px; text-align:center;
}

.stat-item {
  padding:30px 18px; border-radius:var(--r-m);
  background:var(--paper);
  border:2px dashed var(--ink);
  transition:transform .22s ease, background .22s ease;
}
.stat-item:hover{
  transform:translateY(-5px);
  background:var(--lemon);
}

.stat-number {
  font-size:clamp(1.8rem, 3.6vw, 2.5rem);
  font-weight:900; letter-spacing:-0.04em;
  color:var(--coral-deep);
  font-variant-numeric:tabular-nums;
  line-height:1.1;
}
.stat-label { font-size:0.88rem; color:var(--ink-soft); margin-top:8px; font-weight:600; }

/* ---------- 内容墙 ---------- */
.content-wall {
  display:grid;
  grid-template-columns:repeat(auto-fill,minmax(280px,1fr));
  gap:26px;
}

.content-wall-item {
  border-radius:var(--r-m); overflow:hidden;
  background:var(--paper);
  border:2px solid var(--ink);
  box-shadow:var(--shadow-s);
  transition:transform .22s cubic-bezier(.34,1.4,.64,1), box-shadow .22s ease;
}
.content-wall-item:hover {
  transform:translate(-4px,-4px);
  box-shadow:var(--shadow-m);
}

.content-wall-item img {
  width:100%; height:200px; object-fit:cover;
  border-bottom:2px solid var(--ink);
  filter:saturate(1.05);
}

.content-wall-body { padding:22px; background:var(--paper); }

/* ---------- FAQ ---------- */
.faq-list { max-width:820px; margin:0 auto; }

.faq-item {
  background:var(--paper);
  border:2px solid var(--ink); border-radius:14px;
  margin-bottom:12px; overflow:hidden; cursor:pointer;
  box-shadow:3px 3px 0 rgba(22,18,31,0.85);
  transition:transform .18s ease, box-shadow .18s ease, background .25s ease;
}
.faq-item:hover{ transform:translate(-2px,-2px); box-shadow:5px 5px 0 rgba(22,18,31,0.85); }

.faq-item .faq-question {
  padding:18px 22px; font-weight:800; font-size:1rem;
  display:flex; justify-content:space-between; align-items:center; gap:16px;
  letter-spacing:-0.01em;
}
.faq-item .faq-question::after{
  content:'+'; font-size:1.35rem; font-weight:900; color:var(--coral);
  line-height:1; transition:transform .3s ease, color .3s ease;
  flex:0 0 auto;
}
.faq-item.open{ background:var(--mint); }
.faq-item.open .faq-question::after{ content:'–'; color:var(--violet); transform:rotate(180deg); }

.faq-item .faq-answer {
  padding:0 22px 20px; display:none;
  color:var(--ink-soft); font-size:0.95rem;
  border-top:1px dashed rgba(22,18,31,0.18);
  margin:0 22px; padding-left:0; padding-right:0; padding-top:14px;
}
.faq-item.open .faq-answer { display:block; }

/* ---------- CTA 横幅 ---------- */
.cta-banner {
  padding:64px 32px; text-align:center;
  border-radius:var(--r-l); color:#fff;
  border:2px solid var(--ink);
  box-shadow:var(--shadow-l);
  background:
    radial-gradient(rgba(255,255,255,0.22) 1.5px, transparent 1.5px) 0 0/18px 18px,
    linear-gradient(125deg, var(--coral) 0%, #FF7A4D 45%, var(--violet) 100%);
  position:relative;
  overflow:hidden;
}

.cta-banner h2 {
  color:#fff; font-weight:900; letter-spacing:-0.03em;
  font-size:clamp(1.5rem, 3.2vw, 2.2rem); margin-bottom:14px;
  text-shadow:0 2px 0 rgba(22,18,31,0.18);
}

.cta-banner .btn-primary {
  background:#fff; color:var(--ink);
  border:2px solid var(--ink);
  box-shadow:5px 5px 0 var(--ink);
  margin-top:22px;
}
.cta-banner .btn-primary:hover{
  transform:translate(-3px,-3px);
  box-shadow:8px 8px 0 var(--ink);
  background:var(--lemon);
}

/* ---------- 页脚 ---------- */
.site-footer {
  padding:64px 0 30px;
  background:var(--cream-2);
  border-top:2px dashed var(--line);
  color:var(--ink);
}

.site-footer .container { }

.footer-grid {
  display:grid; grid-template-columns:2fr 1fr 1fr 1fr; gap:44px;
}

.footer-brand { }
.footer-brand p{ color:var(--ink-soft); font-size:0.92rem; max-width:300px; margin-top:12px; }

.footer-col { }
.footer-col h4{
  font-size:0.82rem; font-weight:900; letter-spacing:0.16em;
  margin-bottom:16px; color:var(--ink);
}
.footer-col a{
  display:block; text-decoration:none; color:var(--ink-soft);
  font-size:0.9rem; padding:5px 0; transition:color .2s, transform .2s;
}
.footer-col a:hover{ color:var(--coral-deep); transform:translateX(4px); }

.footer-bottom {
  border-top:1px dashed var(--line);
  margin-top:44px; padding-top:22px;
  text-align:center; font-size:0.84rem; color:var(--ink-soft);
}

/* ---------- 工具类 ---------- */
.text-accent { color:var(--coral-deep); font-weight:900; }
.text-center { text-align:center; }
.text-center .section-title::after{ margin-left:auto; margin-right:auto; }
.text-center .section-desc{ margin-left:auto; margin-right:auto; }

.seo-description {
  max-width:640px; margin:0 auto 52px;
  color:var(--ink-soft); font-size:0.98rem; font-weight:500;
}

.mt-0 { margin-top:0; }
.mb-0 { margin-bottom:0; }

/* ---------- 响应式 ---------- */
@media (max-width: 1024px){
  .section{ padding:80px 0; }
  .footer-grid{ grid-template-columns:2fr 1fr 1fr; }
}

@media (max-width: 768px) {
  body{ font-size:15px; }
  .section{ padding:64px 0; }

  .feature-block { grid-template-columns:1fr; gap:36px; }
  .stats-bar { grid-template-columns:repeat(2,1fr); }
  .footer-grid { grid-template-columns:1fr 1fr; }
  .hero{ padding:130px 0 72px; }
  .hero h1{ letter-spacing:-0.025em; }

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

  .main-nav.open {
    display:flex; flex-direction:column;
    position:absolute; top:74px; left:0; width:100%;
    background:var(--cream);
    padding:22px 24px 26px; gap:6px;
    border-bottom:2px dashed var(--line);
    box-shadow:0 20px 40px rgba(22,18,31,0.10);
    align-items:stretch;
  }
  .main-nav.open a{
    padding:12px 4px; 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; justify-content:center;
    border-bottom:none; display:flex;
  }
}

@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{ justify-content:center; }
  .cta-banner{ padding:48px 20px; border-radius:20px; box-shadow:6px 6px 0 var(--ink); }
  .header-inner{ padding:0 18px; }
  .container{ padding:0 18px; }
}