/* ===== Design Variables ===== */
:root {
  --primary: #1a3c34;
  --primary-dark: #122b25;
  --primary-light: #2d5a4e;
  --accent: #c8a45a;
  --accent-dark: #a8873a;
  --accent-light: #e8d5a8;
  --bg: #f7f5f0;
  --bg-white: #ffffff;
  --bg-dark: #132a25;
  --text: #1f2a28;
  --text-muted: #6b7a75;
  --border: #e2ddd2;
  --radius-sm: 8px;
  --radius: 16px;
  --radius-lg: 24px;
  --shadow: 0 4px 24px rgba(19,42,37,.08);
  --shadow-lg: 0 8px 40px rgba(19,42,37,.14);
  --transition: .3s ease;
  --font: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Segoe UI", sans-serif;
}

/* ===== Reset / Base ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: var(--font); font-size: 16px; line-height: 1.7; color: var(--text); background: var(--bg); -webkit-font-smoothing: antialiased; }
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; transition: color var(--transition); }
a:hover, a:focus-visible { color: var(--primary); outline: none; }
ul, ol { list-style: none; }
button, input { font-family: inherit; border: none; background: none; }
button { cursor: pointer; }

/* ===== Container ===== */
.container { width: 100%; max-width: 1200px; margin: 0 auto; padding: 0 24px; }

/* ===== Section Spacing ===== */
.section { padding: 80px 0; }
.section-alt { background: var(--bg-white); }
.section-head { text-align: center; max-width: 720px; margin: 0 auto 56px; }
.section-tag { display: inline-block; font-size: 13px; font-weight: 600; letter-spacing: 2px; color: var(--accent-dark); background: rgba(200,164,90,.12); padding: 6px 16px; border-radius: 100px; margin-bottom: 14px; text-transform: uppercase; }
.section-head h2 { font-size: 34px; font-weight: 700; line-height: 1.3; color: var(--text); margin-bottom: 14px; }
.section-head p { font-size: 16px; color: var(--text-muted); max-width: 600px; margin: 0 auto; }

/* ===== Header & Nav ===== */
.site-header { position: sticky; top: 0; z-index: 100; padding: 14px 24px 0; }
.nav-wrap { max-width: 1200px; margin: 0 auto; background: rgba(255,255,255,.88); backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px); border: 1px solid rgba(255,255,255,.6); border-radius: 50px; padding: 10px 24px; display: flex; align-items: center; justify-content: space-between; box-shadow: 0 4px 24px rgba(19,42,37,.08); transition: box-shadow var(--transition); }
.nav-wrap:hover { box-shadow: var(--shadow-lg); }
.logo { display: flex; align-items: center; gap: 10px; font-size: 19px; font-weight: 700; color: var(--primary); white-space: nowrap; }
.logo-badge { width: 34px; height: 34px; border-radius: 10px; background: var(--primary); color: #fff; display: flex; align-items: center; justify-content: center; font-size: 16px; font-weight: 700; box-shadow: 0 2px 8px rgba(26,60,52,.3); }
.nav-links { display: flex; align-items: center; gap: 6px; }
.nav-links a { padding: 8px 18px; border-radius: 100px; font-size: 15px; font-weight: 500; color: var(--text-muted); transition: all var(--transition); }
.nav-links a:hover { color: var(--primary); background: rgba(26,60,52,.06); }
.nav-links a.active { color: var(--primary); background: rgba(26,60,52,.1); font-weight: 600; }
.nav-actions { display: flex; align-items: center; gap: 12px; }
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; font-size: 15px; font-weight: 600; border-radius: 100px; padding: 12px 28px; transition: all var(--transition); border: 1px solid transparent; }
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); color: #fff; transform: translateY(-2px); box-shadow: 0 6px 20px rgba(26,60,52,.25); }
.btn-outline { background: transparent; border-color: rgba(255,255,255,.5); color: #fff; }
.btn-outline:hover { border-color: #fff; background: rgba(255,255,255,.1); color: #fff; }
.btn-accent { background: var(--accent); color: var(--primary-dark); }
.btn-accent:hover { background: var(--accent-dark); color: #fff; transform: translateY(-2px); box-shadow: 0 6px 20px rgba(200,164,90,.3); }
.btn-sm { padding: 8px 20px; font-size: 14px; }
.nav-toggle { display: none; flex-direction: column; gap: 5px; padding: 8px; border-radius: 8px; }
.nav-toggle span { width: 22px; height: 2px; background: var(--primary); border-radius: 2px; transition: all .3s ease; }
.nav-toggle.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.active span:nth-child(2) { opacity: 0; }
.nav-toggle.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ===== Hero ===== */
.hero { position: relative; min-height: 640px; display: flex; align-items: center; text-align: center; background: url('/assets/images/backpic/back-1.jpg') center/cover no-repeat; overflow: hidden; }
.hero::before { content: ''; position: absolute; inset: 0; background: linear-gradient(135deg, rgba(18,43,37,.92) 0%, rgba(26,60,52,.78) 50%, rgba(18,43,37,.9) 100%); }
.hero-content { position: relative; z-index: 2; padding: 80px 0 90px; width: 100%; }
.hero-tag { display: inline-block; font-size: 14px; font-weight: 600; letter-spacing: 3px; color: var(--accent-light); background: rgba(200,164,90,.15); border: 1px solid rgba(200,164,90,.3); padding: 8px 22px; border-radius: 100px; margin-bottom: 24px; }
.hero h1 { font-size: 42px; font-weight: 800; line-height: 1.25; color: #fff; max-width: 900px; margin: 0 auto 20px; letter-spacing: 1px; }
.hero-desc { font-size: 17px; line-height: 1.8; color: rgba(255,255,255,.85); max-width: 680px; margin: 0 auto 40px; }
.hero-ring-wrap { display: flex; justify-content: center; align-items: center; gap: 50px; margin-bottom: 36px; flex-wrap: wrap; }
.countdown-ring { position: relative; width: 150px; height: 150px; }
.countdown-ring svg { width: 100%; height: 100%; transform: rotate(-90deg); }
.ring-bg { fill: none; stroke: rgba(255,255,255,.12); stroke-width: 6; }
.ring-progress { fill: none; stroke: url(#ringGrad); stroke-width: 6; stroke-linecap: round; transition: stroke-dashoffset 1s ease; }
.ring-center { position: absolute; inset: 0; display: flex; flex-direction: column; align-items: center; justify-content: center; }
.ring-days { font-size: 38px; font-weight: 800; color: #fff; line-height: 1; }
.ring-unit { font-size: 14px; color: rgba(255,255,255,.7); margin-top: 4px; }
.ring-hours { font-size: 13px; color: var(--accent-light); margin-top: 2px; }
.hero-dots { display: flex; gap: 14px; flex-wrap: wrap; justify-content: center; }
.hero-dot { display: flex; align-items: center; gap: 8px; padding: 8px 16px; border-radius: 100px; background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.12); transition: all var(--transition); }
.hero-dot .dot { width: 8px; height: 8px; border-radius: 50%; background: rgba(255,255,255,.35); transition: all var(--transition); }
.hero-dot.active { background: rgba(200,164,90,.18); border-color: rgba(200,164,90,.4); }
.hero-dot.active .dot { background: var(--accent); box-shadow: 0 0 0 4px rgba(200,164,90,.2); }
.hero-dot .dot-label { font-size: 14px; color: rgba(255,255,255,.85); font-weight: 500; }
.hero-buttons { display: flex; justify-content: center; gap: 16px; margin-bottom: 44px; flex-wrap: wrap; }
.hero-stats { display: flex; justify-content: center; gap: 40px; flex-wrap: wrap; }
.hero-stats .stat { text-align: center; padding: 16px 24px; border-radius: 16px; background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.1); min-width: 130px; }
.hero-stats .stat strong { display: block; font-size: 28px; font-weight: 800; color: var(--accent-light); }
.hero-stats .stat span { font-size: 13px; color: rgba(255,255,255,.65); margin-top: 4px; display: block; }

/* ===== Features ===== */
.features-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.feature-card { background: var(--bg-white); border-radius: var(--radius); padding: 32px 28px; border: 1px solid var(--border); box-shadow: var(--shadow); transition: all var(--transition); position: relative; overflow: hidden; }
.feature-card::after { content: ''; position: absolute; top: 0; left: 0; width: 100%; height: 3px; background: linear-gradient(90deg, var(--accent), var(--accent-light)); opacity: 0; transition: opacity var(--transition); }
.feature-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.feature-card:hover::after { opacity: 1; }
.feature-icon { width: 52px; height: 52px; border-radius: 14px; display: flex; align-items: center; justify-content: center; font-size: 22px; margin-bottom: 20px; background: rgba(26,60,52,.08); color: var(--primary); }
.feature-card h3 { font-size: 19px; font-weight: 700; margin-bottom: 10px; }
.feature-card p { font-size: 14px; color: var(--text-muted); line-height: 1.65; }

/* ===== Invite / Progress ===== */
.invite { background: var(--bg-white); }
.invite-wrap { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.invite-left h2 { font-size: 32px; font-weight: 700; margin-bottom: 16px; }
.invite-left>p { color: var(--text-muted); font-size: 16px; margin-bottom: 32px; max-width: 480px; }
.progress-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 12px; }
.progress-head .progress-label { font-size: 15px; font-weight: 600; }
.progress-head .progress-percent { font-size: 24px; font-weight: 800; color: var(--primary); }
.progress-track { height: 12px; background: var(--border); border-radius: 100px; overflow: hidden; margin-bottom: 20px; }
.progress-bar { height: 100%; width: 68%; border-radius: 100px; background: linear-gradient(90deg, var(--primary), var(--accent)); position: relative; transition: width 1s ease; }
.progress-bar::after { content: ''; position: absolute; top: 0; bottom: 0; width: 30px; background: rgba(255,255,255,.3); animation: slide 2.8s infinite; }
@keyframes slide { 0% { left: -30px; } 100% { left: 100%; } }
.progress-desc { font-size: 14px; color: var(--text-muted); margin-bottom: 24px; }
.invite-steps { display: flex; flex-direction: column; gap: 18px; }
.step-row { display: flex; gap: 16px; align-items: flex-start; }
.step-num { width: 32px; height: 32px; border-radius: 50%; background: var(--primary); color: #fff; font-size: 14px; font-weight: 700; display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.step-content h4 { font-size: 16px; font-weight: 600; margin-bottom: 4px; }
.step-content p { font-size: 14px; color: var(--text-muted); }
.invite-right .invite-card { background: var(--bg); border-radius: var(--radius-lg); padding: 40px; text-align: center; border: 1px dashed var(--accent); }
.invite-right .invite-card .invite-icon { font-size: 40px; color: var(--accent); margin-bottom: 16px; }
.invite-right .invite-card h3 { font-size: 22px; margin-bottom: 12px; }
.invite-right .invite-card p { color: var(--text-muted); font-size: 15px; margin-bottom: 20px; }

/* ===== Ranking ===== */
.ranking-list { max-width: 780px; margin: 0 auto; display: flex; flex-direction: column; gap: 14px; }
.rank-item { display: flex; align-items: center; gap: 20px; background: var(--bg-white); border-radius: var(--radius); padding: 18px 24px; border: 1px solid var(--border); box-shadow: var(--shadow); transition: all var(--transition); }
.rank-item:hover { transform: translateX(4px); box-shadow: var(--shadow-lg); border-color: var(--accent); }
.rank-num { font-size: 22px; font-weight: 800; color: var(--border); width: 44px; text-align: center; font-style: italic; }
.rank-item:nth-child(1) .rank-num { color: var(--accent); }
.rank-item:nth-child(2) .rank-num { color: #b0a18a; }
.rank-item:nth-child(3) .rank-num { color: #c48a6b; }
.rank-info { flex: 1; }
.rank-info h4 { font-size: 17px; font-weight: 600; margin-bottom: 2px; }
.rank-info span { font-size: 13px; color: var(--text-muted); }
.rank-tags { display: flex; gap: 6px; }
.rank-tag { font-size: 12px; padding: 4px 12px; border-radius: 100px; background: rgba(26,60,52,.08); color: var(--primary); font-weight: 500; }
.rank-hot { text-align: right; }
.rank-hot strong { font-size: 18px; color: var(--accent-dark); display: block; }
.rank-hot span { font-size: 12px; color: var(--text-muted); }
.rank-link { color: var(--primary); font-size: 14px; font-weight: 500; white-space: nowrap; }
.rank-link i { margin-left: 4px; transition: transform var(--transition); }
.rank-link:hover i { transform: translateX(4px); }

/* ===== News ===== */
.news-grid { display: grid; grid-template-columns: 1fr 360px; gap: 48px; align-items: start; }
.news-list { display: flex; flex-direction: column; }
.news-list .news-item { display: flex; align-items: center; gap: 16px; padding: 18px 0; border-bottom: 1px solid var(--border); transition: all var(--transition); }
.news-list .news-item:last-child { border-bottom: none; }
.news-list .news-item:hover { padding-left: 8px; }
.news-date { font-size: 13px; color: var(--text-muted); background: var(--bg); padding: 6px 12px; border-radius: 8px; white-space: nowrap; }
.news-title { flex: 1; font-size: 15px; font-weight: 500; color: var(--text); line-height: 1.5; }
.news-list .news-item:hover .news-title { color: var(--primary); }
.news-tag { font-size: 12px; padding: 4px 12px; border-radius: 100px; background: rgba(200,164,90,.1); color: var(--accent-dark); white-space: nowrap; }
.news-side { display: flex; flex-direction: column; gap: 24px; }
.recommend-card { border-radius: var(--radius-lg); overflow: hidden; background: var(--bg-white); border: 1px solid var(--border); box-shadow: var(--shadow); transition: all var(--transition); }
.recommend-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-4px); }
.recommend-card img { width: 100%; height: 180px; object-fit: cover; }
.recommend-body { padding: 22px; }
.recommend-body h4 { font-size: 18px; font-weight: 700; margin-bottom: 8px; }
.recommend-body p { font-size: 14px; color: var(--text-muted); margin-bottom: 14px; }
.recommend-body .read-more { font-size: 14px; font-weight: 600; color: var(--primary); }
.recommend-body .read-more i { margin-left: 4px; }
.hot-tags { background: var(--bg-white); border-radius: var(--radius); padding: 24px; border: 1px solid var(--border); }
.hot-tags h4 { font-size: 16px; font-weight: 700; margin-bottom: 16px; }
.tags-wrap { display: flex; flex-wrap: wrap; gap: 8px; }
.tags-wrap a { font-size: 13px; padding: 6px 14px; border-radius: 100px; background: var(--bg); color: var(--text-muted); transition: all var(--transition); border: 1px solid transparent; }
.tags-wrap a:hover { background: rgba(26,60,52,.08); color: var(--primary); border-color: rgba(26,60,52,.15); }

/* ===== Calendar ===== */
.calendar { background: var(--bg-white); }
.calendar-wrap { display: grid; grid-template-columns: 1.2fr .8fr; gap: 48px; align-items: start; }
.calendar-list { display: flex; flex-direction: column; gap: 16px; }
.calendar-item { display: flex; gap: 18px; align-items: flex-start; padding: 20px; background: var(--bg); border-radius: var(--radius); border-left: 3px solid var(--accent); transition: all var(--transition); }
.calendar-item:hover { transform: translateX(4px); box-shadow: var(--shadow); }
.calendar-date { text-align: center; background: var(--bg-white); border-radius: 12px; padding: 10px 14px; min-width: 56px; border: 1px solid var(--border); }
.calendar-date .date-day { font-size: 22px; font-weight: 800; color: var(--primary); line-height: 1.2; }
.calendar-date .date-month { font-size: 12px; color: var(--text-muted); }
.calendar-info h4 { font-size: 16px; font-weight: 600; margin-bottom: 4px; }
.calendar-info p { font-size: 14px; color: var(--text-muted); }
.calendar-info .cal-status { display: inline-block; font-size: 12px; padding: 3px 10px; border-radius: 100px; background: rgba(26,60,52,.08); color: var(--primary); margin-top: 8px; }
.calendar-feature { border-radius: var(--radius-lg); overflow: hidden; position: relative; min-height: 360px; display: flex; align-items: flex-end; }
.calendar-feature img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.calendar-feature::after { content: ''; position: absolute; inset: 0; background: linear-gradient(to top, rgba(18,43,37,.85) 0%, rgba(18,43,37,.3) 60%, transparent 100%); }
.calendar-feature-content { position: relative; z-index: 2; padding: 36px; }
.calendar-feature-content h4 { color: #fff; font-size: 22px; font-weight: 700; margin-bottom: 8px; }
.calendar-feature-content p { color: rgba(255,255,255,.85); font-size: 14px; margin-bottom: 16px; }

/* ===== CTA ===== */
.cta-section { background: url('/assets/images/backpic/back-2.jpg') center/cover no-repeat; position: relative; padding: 90px 0; }
.cta-section::before { content: ''; position: absolute; inset: 0; background: rgba(18,43,37,.85); }
.cta-content { position: relative; z-index: 2; text-align: center; max-width: 680px; margin: 0 auto; }
.cta-content h2 { color: #fff; font-size: 36px; font-weight: 800; margin-bottom: 16px; }
.cta-content p { color: rgba(255,255,255,.85); font-size: 16px; margin-bottom: 32px; line-height: 1.8; }
.cta-benefits { display: flex; gap: 20px; justify-content: center; flex-wrap: wrap; margin-bottom: 32px; }
.cta-benefit { display: flex; align-items: center; gap: 8px; color: #fff; font-size: 14px; background: rgba(255,255,255,.1); padding: 8px 20px; border-radius: 100px; border: 1px solid rgba(255,255,255,.15); }
.cta-benefit i { color: var(--accent); }

/* ===== FAQ ===== */
.faq-wrap { max-width: 780px; margin: 0 auto; display: flex; flex-direction: column; gap: 14px; }
.faq-item { background: var(--bg-white); border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; transition: all var(--transition); }
.faq-item:hover { border-color: var(--accent); }
.faq-item summary { padding: 22px 28px; font-size: 16px; font-weight: 600; cursor: pointer; display: flex; justify-content: space-between; align-items: center; list-style: none; gap: 16px; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: '\f078'; font-family: 'Font Awesome 6 Free'; font-weight: 900; font-size: 14px; color: var(--text-muted); transition: transform var(--transition); }
.faq-item[open] summary::after { transform: rotate(180deg); }
.faq-item[open] summary { border-bottom: 1px solid var(--border); }
.faq-answer { padding: 20px 28px; font-size: 15px; color: var(--text-muted); line-height: 1.75; }

/* ===== Footer ===== */
.site-footer { background: var(--bg-dark); color: rgba(255,255,255,.75); padding: 64px 0 0; }
.footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr; gap: 48px; padding-bottom: 48px; border-bottom: 1px solid rgba(255,255,255,.1); }
.footer-brand .logo { color: #fff; margin-bottom: 16px; }
.footer-brand p { font-size: 14px; line-height: 1.7; opacity: .7; max-width: 320px; }
.footer-col h4 { color: #fff; font-size: 16px; font-weight: 600; margin-bottom: 20px; }
.footer-col a { display: block; color: rgba(255,255,255,.65); font-size: 14px; padding: 6px 0; transition: all var(--transition); }
.footer-col a:hover { color: var(--accent); padding-left: 6px; }
.footer-bottom { padding: 24px 0; text-align: center; font-size: 13px; color: rgba(255,255,255,.5); }
.footer-bottom span { color: var(--accent-light); }

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .news-grid { grid-template-columns: 1fr 300px; }
  .calendar-wrap { grid-template-columns: 1fr; }
  .invite-wrap { grid-template-columns: 1fr; gap: 40px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
  .section { padding: 60px 0; }
  .nav-toggle { display: flex; }
  .nav-links { position: absolute; top: calc(100% + 8px); left: 12px; right: 12px; background: var(--bg-white); border-radius: 20px; box-shadow: var(--shadow-lg); flex-direction: column; padding: 16px; gap: 8px; display: none; border: 1px solid var(--border); }
  .nav-links.active { display: flex; }
  .nav-links a { width: 100%; text-align: center; }
  .nav-actions .btn { display: none; }
  .hero h1 { font-size: 30px; }
  .hero-desc { font-size: 15px; }
  .hero-stats { gap: 16px; }
  .hero-stats .stat { min-width: 100px; padding: 12px 16px; }
  .hero-stats .stat strong { font-size: 22px; }
  .section-head h2 { font-size: 28px; }
  .news-grid { grid-template-columns: 1fr; }
  .calendar-wrap { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .hero-ring-wrap { gap: 28px; }
  .countdown-ring { width: 120px; height: 120px; }
  .ring-days { font-size: 30px; }
}
@media (max-width: 520px) {
  .container { padding: 0 16px; }
  .section { padding: 48px 0; }
  .hero h1 { font-size: 24px; }
  .hero-desc { font-size: 14px; }
  .hero-buttons { flex-direction: column; align-items: center; }
  .btn { width: 100%; }
  .btn-outline { width: 100%; }
  .features-grid { grid-template-columns: 1fr; }
  .feature-card { padding: 24px 20px; }
  .rank-item { flex-wrap: wrap; gap: 10px; padding: 16px; }
  .rank-num { width: 32px; }
  .rank-tags { display: none; }
  .rank-hot { margin-left: auto; }
  .news-list .news-item { flex-wrap: wrap; gap: 8px; }
  .news-date { width: auto; }
  .news-title { flex: 1 1 100%; }
  .calendar-item { flex-direction: column; padding: 16px; }
  .cta-content h2 { font-size: 26px; }
  .cta-benefits { flex-direction: column; align-items: center; }
  .faq-item summary { padding: 16px 20px; font-size: 15px; }
  .faq-answer { padding: 14px 20px; }
  .footer-grid { gap: 24px; }
}

:root {
  --primary: #C9A063;
  --primary-dark: #A9844A;
  --primary-light: #E5C88F;
  --secondary: #2D2A26;
  --secondary-light: #3D3833;
  --dark-bg: #141210;
  --dark-bg-2: #1B1815;
  --card-bg: #221E1A;
  --text-main: #F2ECE3;
  --text-secondary: #B5AA9B;
  --text-muted: #7A7166;
  --border: rgba(201, 160, 99, 0.15);
  --border-light: rgba(201, 160, 99, 0.28);
  --white: #FFFFFF;
  --radius-lg: 20px;
  --radius-md: 14px;
  --radius-sm: 8px;
  --shadow-sm: 0 4px 12px rgba(0,0,0,0.25);
  --shadow-md: 0 8px 28px rgba(0,0,0,0.35);
  --shadow-lg: 0 16px 48px rgba(0,0,0,0.5);
  --shadow-gold: 0 8px 32px rgba(201, 160, 99, 0.22);
  --transition: all 0.25s ease;
  --font-main: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Segoe UI", Roboto, sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-main);
  background-color: var(--dark-bg);
  color: var(--text-main);
  line-height: 1.75;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: inherit;
  text-decoration: none;
  transition: var(--transition);
}

a:hover {
  color: var(--primary-light);
}

button {
  font-family: inherit;
  cursor: pointer;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ===== 导航 ===== */
.site-header {
  position: fixed;
  top: 20px;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 0 24px;
}

.nav-wrap {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(20, 18, 16, 0.82);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border);
  border-radius: 60px;
  padding: 10px 24px;
  box-shadow: var(--shadow-md);
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 19px;
  font-weight: 700;
  letter-spacing: 1px;
  color: var(--text-main);
  white-space: nowrap;
}

.logo:hover {
  color: var(--primary-light);
}

.logo-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  color: var(--dark-bg);
  border-radius: 50%;
  font-size: 19px;
  font-weight: 800;
  flex-shrink: 0;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-links a {
  padding: 8px 18px;
  border-radius: 40px;
  font-size: 15px;
  font-weight: 500;
  color: var(--text-secondary);
  transition: var(--transition);
}

.nav-links a:hover {
  color: var(--primary-light);
  background: rgba(201, 160, 99, 0.1);
}

.nav-links a.active {
  color: var(--primary);
  background: rgba(201, 160, 99, 0.16);
  font-weight: 600;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 14px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: none;
  border-radius: 50px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  font-size: 15px;
  line-height: 1.4;
  text-align: center;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  color: var(--dark-bg);
  padding: 12px 28px;
  box-shadow: var(--shadow-gold);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 40px rgba(201, 160, 99, 0.35);
  color: var(--dark-bg);
}

.btn-outline {
  background: transparent;
  color: var(--primary);
  border: 1.5px solid var(--primary);
  padding: 10px 26px;
}

.btn-outline:hover {
  background: rgba(201, 160, 99, 0.08);
  color: var(--primary-light);
  border-color: var(--primary-light);
}

.btn-sm {
  padding: 8px 20px;
  font-size: 14px;
}

.btn-lg {
  padding: 14px 36px;
  font-size: 16px;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 50%;
  padding: 8px;
}

.nav-toggle span {
  display: block;
  height: 2px;
  width: 18px;
  margin: 0 auto;
  background: var(--text-main);
  border-radius: 2px;
  transition: var(--transition);
}

/* ===== Hero ===== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 160px 0 80px;
  background: linear-gradient(to bottom, rgba(20, 18, 16, 0.92) 0%, var(--dark-bg) 100%), url('/assets/images/backpic/back-1.jpg') center center / cover no-repeat;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(ellipse at 20% 50%, rgba(201, 160, 99, 0.15) 0%, transparent 60%);
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 60px;
  align-items: center;
}

.hero-text .tagline {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(201, 160, 99, 0.12);
  border: 1px solid var(--border);
  border-radius: 50px;
  padding: 6px 18px;
  font-size: 14px;
  font-weight: 500;
  color: var(--primary-light);
  margin-bottom: 26px;
}

.hero-text .tagline::before {
  content: '·';
  font-weight: 800;
  color: var(--primary);
}

.hero-text h1 {
  font-size: clamp(38px, 5vw, 62px);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: 1px;
  margin-bottom: 20px;
  color: var(--text-main);
}

.hero-text h1 span.gold {
  background: linear-gradient(to right, var(--primary-light), var(--primary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-desc {
  font-size: 17px;
  color: var(--text-secondary);
  line-height: 1.8;
  max-width: 560px;
  margin-bottom: 20px;
}

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 34px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(0, 0, 0, 0.35);
  border: 1px solid var(--border);
  border-radius: 50px;
  padding: 8px 16px;
  font-size: 14px;
  color: var(--text-secondary);
}

.hero-badge i {
  color: var(--primary);
  font-style: normal;
}

.hero-stats {
  display: flex;
  gap: 40px;
  margin-bottom: 36px;
}

.hero-stat h3 {
  font-size: 28px;
  font-weight: 800;
  color: var(--primary);
  line-height: 1.2;
}

.hero-stat p {
  font-size: 13px;
  color: var(--text-muted);
  margin-top: 4px;
}

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

.hero-card-panel {
  background: rgba(30, 26, 22, 0.85);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
  box-shadow: var(--shadow-lg);
  backdrop-filter: blur(12px);
}

.hero-card-panel h4 {
  font-size: 20px;
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.hero-card-panel h4 .icon {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: rgba(201, 160, 99, 0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
}

.topic-list {
  list-style: none;
}

.topic-list li {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 0;
  border-bottom: 1px solid var(--border);
  font-size: 15px;
  color: var(--text-secondary);
}

.topic-list li:last-child {
  border-bottom: none;
}

.topic-list li .topic-icon {
  width: 34px;
  height: 34px;
  border-radius: 10px;
  background: rgba(201, 160, 99, 0.12);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  flex-shrink: 0;
}

.topic-list li .topic-hot {
  margin-left: auto;
  background: rgba(201, 160, 99, 0.15);
  color: var(--primary-light);
  font-size: 12px;
  padding: 3px 10px;
  border-radius: 30px;
  flex-shrink: 0;
}

.hero-panel-footer {
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1px dashed var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 13px;
  color: var(--text-muted);
}

.panel-link {
  color: var(--primary);
  font-weight: 600;
}

/* ===== 痛点半 ===== */
.pain-points {
  padding: 90px 0;
  background: var(--dark-bg-2);
}

.section-header {
  max-width: 680px;
  margin-bottom: 50px;
}

.section-header.center {
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}

.section-tag {
  display: inline-block;
  font-size: 13px;
  font-weight: 600;
  color: var(--primary);
  border: 1px solid var(--border);
  border-radius: 40px;
  padding: 5px 16px;
  margin-bottom: 16px;
  background: rgba(201, 160, 99, 0.08);
}

.section-header h2 {
  font-size: clamp(28px, 3.4vw, 38px);
  font-weight: 700;
  line-height: 1.35;
  margin-bottom: 14px;
}

.section-header p {
  color: var(--text-secondary);
  font-size: 16px;
  line-height: 1.8;
}

.pain-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.pain-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 36px 30px;
  transition: var(--transition);
  position: relative;
}

.pain-card:hover {
  transform: translateY(-6px);
  border-color: var(--border-light);
  box-shadow: var(--shadow-md);
}

.pain-card .pain-icon {
  width: 56px;
  height: 56px;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 26px;
  margin-bottom: 20px;
  background: rgba(201, 160, 99, 0.1);
}

.pain-card h3 {
  font-size: 18px;
  margin-bottom: 12px;
  color: var(--text-main);
}

.pain-card p {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.75;
}

/* ===== 指南 ===== */
.guide-section {
  padding: 90px 0;
  background: var(--dark-bg);
}

.guide-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 70px;
  align-items: center;
}

.guide-image {
  border-radius: var(--radius-lg);
  overflow: hidden;
  position: relative;
  box-shadow: var(--shadow-lg);
  max-height: 500px;
}

.guide-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.guide-image:hover img {
  transform: scale(1.03);
}

.guide-image .image-tag {
  position: absolute;
  top: 18px;
  left: 18px;
  background: rgba(20, 18, 16, 0.75);
  backdrop-filter: blur(10px);
  border: 1px solid var(--border);
  color: var(--primary-light);
  font-size: 13px;
  font-weight: 600;
  padding: 6px 14px;
  border-radius: 40px;
}

.guide-points {
  list-style: none;
  margin-top: 16px;
}

.guide-points li {
  display: flex;
  gap: 16px;
  padding: 16px 0;
  border-bottom: 1px solid var(--border);
}

.guide-points li:last-child {
  border-bottom: none;
}

.guide-points .num {
  font-size: 24px;
  font-weight: 800;
  color: var(--primary);
  min-width: 42px;
  text-align: center;
  background: rgba(201, 160, 99, 0.08);
  height: 42px;
  line-height: 42px;
  border-radius: 12px;
  flex-shrink: 0;
}

.guide-points h4 {
  font-size: 17px;
  margin-bottom: 6px;
  color: var(--text-main);
}

.guide-points p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* ===== 内容推荐卡片 ===== */
.reco-section {
  padding: 90px 0;
  background: var(--dark-bg-2);
}

.reco-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 26px;
  margin-bottom: 40px;
}

.reco-card {
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--card-bg);
  border: 1px solid var(--border);
  transition: var(--transition);
}

.reco-card:hover {
  transform: translateY(-8px);
  border-color: var(--border-light);
  box-shadow: var(--shadow-md);
}

.reco-card-image {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16 / 10;
}

.reco-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.reco-card:hover .reco-card-image img {
  transform: scale(1.05);
}

.reco-card-image .card-cat {
  position: absolute;
  bottom: 14px;
  left: 14px;
  background: rgba(20, 18, 16, 0.78);
  backdrop-filter: blur(8px);
  color: var(--primary-light);
  font-size: 13px;
  padding: 5px 14px;
  border-radius: 40px;
  border: 1px solid var(--border);
}

.reco-card-body {
  padding: 24px 26px 30px;
}

.reco-card-body h3 {
  font-size: 19px;
  line-height: 1.5;
  margin-bottom: 10px;
}

.reco-card-body p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.75;
  margin-bottom: 18px;
}

.card-footer {
  display: flex;
  align-items: center;
  gap: 12px;
}

.card-avatar {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--primary);
  color: var(--dark-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: 700;
}

.card-user {
  flex: 1;
}

.card-user .name {
  font-size: 13px;
  color: var(--text-main);
}

.card-user .time {
  font-size: 12px;
  color: var(--text-muted);
}

.card-link {
  font-size: 14px;
  color: var(--primary);
  font-weight: 600;
}

.card-link:hover {
  color: var(--primary-light);
}

.section-footer-center {
  text-align: center;
  margin-top: 16px;
}

/* ===== 视频/图片大图叙事 ===== */
.visual-narrative {
  padding: 90px 0;
  background: url('/assets/images/backpic/back-2.jpg') center center / cover no-repeat fixed;
  position: relative;
}

.visual-narrative::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(20, 18, 16, 0.78);
}

.visual-content {
  position: relative;
  z-index: 2;
  max-width: 700px;
}

.visual-content h2 {
  font-size: clamp(28px, 3.4vw, 38px);
  margin-bottom: 20px;
}

.visual-content p {
  font-size: 16px;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 20px;
}

.visual-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 32px;
}

.visual-tags span {
  background: rgba(201, 160, 99, 0.12);
  border: 1px solid var(--border);
  border-radius: 40px;
  padding: 6px 16px;
  font-size: 14px;
  color: var(--primary-light);
}

/* ===== 榜单/数据 ===== */
.rank-section {
  padding: 90px 0;
  background: var(--dark-bg);
}

.rank-layout {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 60px;
  align-items: center;
}

.rank-list {
  list-style: none;
}

.rank-item {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px 0;
  border-bottom: 1px solid var(--border);
}

.rank-item:last-child {
  border-bottom: none;
}

.rank-num {
  font-size: 24px;
  font-weight: 800;
  color: var(--text-muted);
  width: 34px;
  text-align: center;
  font-style: italic;
}

.rank-item:nth-child(1) .rank-num {
  color: var(--primary);
}

.rank-item:nth-child(2) .rank-num {
  color: var(--primary-light);
}

.rank-item:nth-child(3) .rank-num {
  color: var(--primary);
  opacity: 0.7;
}

.rank-info {
  flex: 1;
}

.rank-info h4 {
  font-size: 16px;
  margin-bottom: 4px;
}

.rank-info p {
  font-size: 13px;
  color: var(--text-muted);
}

.rank-score {
  background: rgba(201, 160, 99, 0.1);
  border: 1px solid var(--border);
  color: var(--primary-light);
  font-size: 13px;
  font-weight: 600;
  padding: 5px 16px;
  border-radius: 40px;
}

.stats-box {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 40px 36px;
  box-shadow: var(--shadow-md);
}

.stats-box h3 {
  font-size: 24px;
  margin-bottom: 24px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 26px;
  margin-bottom: 24px;
}

.stat-item h4 {
  font-size: 34px;
  font-weight: 800;
  color: var(--primary);
  line-height: 1.2;
}

.stat-item p {
  font-size: 14px;
  color: var(--text-secondary);
  margin-top: 6px;
}

.stats-note {
  font-size: 13px;
  color: var(--text-muted);
  background: rgba(0, 0, 0, 0.2);
  border-radius: var(--radius-sm);
  padding: 14px 16px;
  line-height: 1.7;
}

/* ===== 流程 ===== */
.steps-section {
  padding: 90px 0;
  background: var(--dark-bg-2);
}

.steps-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 26px;
}

.step-card {
  text-align: center;
  padding: 36px 24px;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  transition: var(--transition);
  position: relative;
}

.step-card:hover {
  transform: translateY(-6px);
  border-color: var(--border-light);
  box-shadow: var(--shadow-md);
}

.step-num {
  position: relative;
  width: 56px;
  height: 56px;
  margin: 0 auto 20px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  color: var(--dark-bg);
  font-weight: 800;
  font-size: 22px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.step-card h3 {
  font-size: 17px;
  margin-bottom: 12px;
}

.step-card p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* ===== 证言 ===== */
.testimonials {
  padding: 90px 0;
  background: var(--dark-bg);
}

.testi-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.testi-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 32px 28px;
  transition: var(--transition);
}

.testi-card:hover {
  border-color: var(--border-light);
  transform: translateY(-4px);
  box-shadow: var(--shadow-sm);
}

.testi-rating {
  color: var(--primary);
  font-size: 15px;
  letter-spacing: 2px;
  margin-bottom: 16px;
}

.testi-card blockquote {
  font-size: 14px;
  line-height: 1.8;
  color: var(--text-secondary);
  margin-bottom: 20px;
  font-style: normal;
}

.testi-user {
  display: flex;
  align-items: center;
  gap: 12px;
}

.testi-user .u-avatar {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary-light), var(--primary));
  color: var(--dark-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 16px;
  flex-shrink: 0;
}

.testi-user .u-name {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-main);
}

.testi-user .u-info {
  font-size: 12px;
  color: var(--text-muted);
}

/* ===== FAQ ===== */
.faq-section {
  padding: 90px 0;
  background: var(--dark-bg-2);
}

.faq-layout {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 60px;
}

.faq-sticky {
  position: sticky;
  top: 140px;
  align-self: start;
}

.faq-sticky h2 {
  font-size: 32px;
  margin-bottom: 18px;
}

.faq-sticky p {
  color: var(--text-secondary);
  margin-bottom: 24px;
  font-size: 15px;
}

.faq-list {
  list-style: none;
}

.faq-item {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  margin-bottom: 16px;
  overflow: hidden;
  transition: var(--transition);
}

.faq-item summary {
  padding: 22px 26px;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  list-style: none;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary::after {
  content: '+';
  font-size: 24px;
  color: var(--primary);
  font-weight: 400;
  transition: transform 0.3s ease;
  flex-shrink: 0;
}

.faq-item[open] summary::after {
  transform: rotate(45deg);
}

.faq-item .faq-answer {
  padding: 0 26px 22px;
  color: var(--text-secondary);
  font-size: 15px;
  line-height: 1.8;
}

/* ===== CTA ===== */
.cta-section {
  padding: 100px 0;
  background: linear-gradient(to bottom, var(--dark-bg-2) 0%, var(--dark-bg) 100%), url('/assets/images/backpic/back-3.jpg') center center / cover no-repeat;
  position: relative;
}

.cta-box {
  position: relative;
  max-width: 800px;
  margin: 0 auto;
  background: linear-gradient(145deg, rgba(50, 42, 32, 0.95) 0%, rgba(28, 24, 20, 0.97) 100%);
  border: 1px solid var(--border-light);
  border-radius: 28px;
  padding: 60px 48px;
  text-align: center;
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}

.cta-box::before {
  content: '';
  position: absolute;
  top: -60%;
  left: -60%;
  width: 220%;
  height: 220%;
  background: radial-gradient(circle at 50% 50%, rgba(201, 160, 99, 0.08) 0%, transparent 50%);
  pointer-events: none;
}

.cta-box h2 {
  font-size: clamp(28px, 3.2vw, 38px);
  margin-bottom: 16px;
  position: relative;
}

.cta-box > p {
  color: var(--text-secondary);
  font-size: 16px;
  margin-bottom: 30px;
  position: relative;
  max-width: 520px;
  margin-left: auto;
  margin-right: auto;
}

.cta-buttons {
  display: flex;
  gap: 18px;
  justify-content: center;
  flex-wrap: wrap;
  position: relative;
}

.cta-note {
  margin-top: 20px;
  font-size: 13px;
  color: var(--text-muted);
  position: relative;
}

/* ===== 页脚 ===== */
.site-footer {
  background: #100E0C;
  border-top: 1px solid var(--border);
  padding-top: 60px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 60px;
  padding-bottom: 40px;
}

.footer-brand .logo {
  font-size: 18px;
  margin-bottom: 16px;
}

.footer-brand p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.8;
  max-width: 320px;
}

.footer-col h4 {
  font-size: 16px;
  margin-bottom: 16px;
  color: var(--text-main);
  position: relative;
  padding-bottom: 10px;
}

.footer-col h4::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 28px;
  height: 2px;
  background: var(--primary);
  border-radius: 2px;
}

.footer-col a {
  display: block;
  font-size: 14px;
  color: var(--text-muted);
  padding: 6px 0;
  transition: var(--transition);
}

.footer-col a:hover {
  color: var(--primary-light);
  padding-left: 6px;
}

.footer-bottom {
  border-top: 1px solid var(--border);
  padding: 20px 0;
  text-align: center;
  font-size: 13px;
  color: var(--text-muted);
}

@media (max-width: 1024px) {
  .hero-content {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  
  .hero-card-panel {
    max-width: 90%;
  }

  .pain-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .guide-layout {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .rank-layout {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .steps-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .testi-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .faq-layout {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .faq-sticky {
    position: static;
  }

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

  .reco-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .site-header {
    top: 0;
    padding: 10px 16px;
  }

  .nav-wrap {
    padding: 8px 16px;
    border-radius: 24px;
  }

  .nav-links {
    position: absolute;
    top: calc(100% + 10px);
    left: 0;
    right: 0;
    background: rgba(20, 18, 16, 0.95);
    backdrop-filter: blur(16px);
    flex-direction: column;
    align-items: flex-start;
    padding: 20px;
    border-radius: var(--radius-md);
    border: 1px solid var(--border);
    box-shadow: var(--shadow-lg);
    display: none;
    gap: 4px;
  }

  .nav-links.open {
    display: flex;
  }

  .nav-links a {
    width: 100%;
    padding: 12px 14px;
    font-size: 16px;
    border-radius: 8px;
  }

  .nav-toggle {
    display: flex;
  }

  .nav-actions .btn-sm {
    display: none;
  }

  .hero {
    padding: 140px 0 60px;
  }

  .hero-text h1 {
    font-size: 34px;
  }

  .hero-card-panel {
    max-width: 100%;
  }

  .hero-stats {
    flex-wrap: wrap;
    gap: 24px;
  }

  .pain-grid {
    grid-template-columns: 1fr;
  }

  .pain-card {
    padding: 28px 24px;
  }

  .reco-grid {
    grid-template-columns: 1fr;
  }

  .steps-grid {
    grid-template-columns: 1fr 1fr;
    gap: 16px;
  }

  .testi-grid {
    grid-template-columns: 1fr;
  }

  .stats-grid {
    grid-template-columns: 1fr 1fr;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 36px;
  }

  .cta-box {
    padding: 44px 24px;
  }

  .visual-narrative {
    background-attachment: scroll;
  }
}

@media (max-width: 520px) {
  .container {
    padding: 0 18px;
  }

  .logo {
    font-size: 16px;
  }

  .logo-badge {
    width: 32px;
    height: 32px;
    font-size: 16px;
  }

  .hero-text h1 {
    font-size: 30px;
  }

  .hero-desc {
    font-size: 15px;
  }

  .hero-stat h3 {
    font-size: 22px;
  }

  .hero-buttons .btn {
    width: 100%;
  }

  .steps-grid {
    grid-template-columns: 1fr;
  }

  .stats-box {
    padding: 28px 20px;
  }

  .stats-grid {
    gap: 16px;
  }

  .rank-item {
    flex-wrap: wrap;
  }

  .rank-score {
    margin-left: 50px;
  }

  .cta-buttons .btn {
    width: 100%;
  }

  .footer-grid {
    gap: 30px;
  }
}