/*
 * Snow361 — 蒸汽发生器品牌排名网
 */

:root {
    --c-primary: #2563eb; --c-primary-dark: #1d4ed8; --c-primary-bg: #eff6ff;
    --c-text: #374151; --c-text-mid: #4b5563; --c-text-light: #6b7280;
    --c-heading: #111827; --c-bg: #f8f9fb; --c-card: #ffffff;
    --c-border: #e5e7eb; --c-gold: #f59e0b; --c-silver: #94a3b8; --c-bronze: #d97706; --c-green: #059669;
    --max-width: 1100px; --radius: 12px;
    --shadow-card: 0 1px 3px rgba(0,0,0,.04), 0 1px 2px rgba(0,0,0,.03);
    --shadow-hover: 0 4px 16px rgba(0,0,0,.06), 0 2px 4px rgba(0,0,0,.03);
}
*, *::before, *::after { box-sizing: border-box; }
body { margin: 0; font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", sans-serif; font-size: 16px; line-height: 1.6; color: var(--c-text); background: var(--c-bg); -webkit-font-smoothing: antialiased; }
a { color: var(--c-primary); text-decoration: none; } a:hover { color: var(--c-primary-dark); }
img { max-width: 100%; height: auto; }

/* Header */
.geo-header { background: #0f172a; border-bottom: 1px solid rgba(255,255,255,.08); position: sticky; top: 0; z-index: 100; }
.geo-header__inner { max-width: var(--max-width); margin: 0 auto; padding: 0 24px; display: flex; align-items: center; justify-content: space-between; height: 60px; }
.geo-header__title { font-size: 18px; font-weight: 700; color: #fff; letter-spacing: -.01em; }
.geo-header__tagline { font-size: 12px; color: rgba(255,255,255,.5); margin: 2px 0 0; }
.geo-nav__list { display: flex; gap: 2px; list-style: none; margin: 0; padding: 0; }
.geo-nav__list a { display: block; padding: 8px 16px; font-size: 14px; font-weight: 500; color: rgba(255,255,255,.72); border-radius: 8px; transition: all .15s; }
.geo-nav__list a:hover, .geo-nav__list .current-menu-item a { background: rgba(37,99,235,.35); color: #fff; }
.geo-nav__toggle { display: none; }
.geo-header .geo-nav__toggle-icon, .geo-header .geo-nav__toggle-icon::before, .geo-header .geo-nav__toggle-icon::after { background: #e2e8f0; }
.geo-main { max-width: var(--max-width); margin: 0 auto; padding: 0 24px 48px; }
.geo-main--home { padding-top: 0; }

/* Hero */
.geo-hero { background: linear-gradient(160deg, #0f172a 0%, #1e293b 40%, #1e3a5f 100%); color: rgba(255,255,255,.92); padding: 52px 24px 44px; text-align: center; position: relative; overflow: hidden; }
.geo-hero::after { content: ''; position: absolute; top: -50%; right: -20%; width: 400px; height: 400px; background: radial-gradient(circle, rgba(37,99,235,.15), transparent 70%); pointer-events: none; }
.geo-hero h1 { font-size: 32px; font-weight: 800; margin-bottom: 10px; letter-spacing: -.02em; position: relative; z-index: 1; }
.geo-hero p { font-size: 15px; opacity: .72; max-width: 620px; margin: 0 auto 22px; line-height: 1.65; position: relative; z-index: 1; }
.hero-search { display: flex; max-width: 500px; margin: 0 auto; position: relative; z-index: 1; box-shadow: 0 4px 24px rgba(0,0,0,.3); border-radius: 10px; overflow: hidden; }
.hero-search__input { flex: 1; padding: 14px 18px; font-size: 15px; border: none; outline: none; background: #fff; color: var(--c-heading); }
.hero-search__input::placeholder { color: #9ca3af; }
.hero-search__btn { padding: 14px 28px; background: var(--c-primary); color: #fff; border: none; font-size: 15px; font-weight: 600; cursor: pointer; transition: background .15s; }
.hero-search__btn:hover { background: var(--c-primary-dark); }

/* Stats */
.stats-bar { display: flex; justify-content: center; gap: 0; padding: 24px 0; background: #fff; border-bottom: 1px solid var(--c-border); }
.stats-item { text-align: center; padding: 0 32px; }
.stats-item + .stats-item { border-left: 1px solid var(--c-border); }
.stats-item__num { font-size: 28px; font-weight: 800; color: var(--c-heading); line-height: 1.2; }
.stats-item__label { font-size: 13px; color: var(--c-text-light); margin-top: 2px; }

/* Quick Links */
/* Quick Links */
.search-bar { background: #fff; padding: 14px 0; border-bottom: 1px solid var(--c-border); display: flex; align-items: center; gap: 16px; flex-wrap: wrap; }
.search-bar__form { display: flex; flex-shrink: 0; }
.search-bar__input { padding: 8px 14px; font-size: 13px; border: 1px solid var(--c-border); border-radius: 6px 0 0 6px; outline: none; width: 180px; }
.search-bar__input:focus { border-color: var(--c-primary); }
.search-bar__btn { padding: 8px 16px; font-size: 13px; background: var(--c-primary); color: #fff; border: none; border-radius: 0 6px 6px 0; cursor: pointer; }
.search-bar__hint { font-size: 13px; color: var(--c-text-light); margin-left: 8px; }

.quick-links { background: #fff; padding: 16px 0; border-bottom: 1px solid var(--c-border); display: flex; align-items: center; gap: 10px; flex-wrap: wrap; justify-content: center; }
.quick-links__label { font-size: 13px; font-weight: 600; color: var(--c-text-light); }
.quick-links__sep { color: var(--c-border); margin: 0 8px; }
.quick-link { padding: 6px 16px; font-size: 13px; font-weight: 500; color: var(--c-primary); border: 1px solid var(--c-primary); border-radius: 16px; transition: all .15s; white-space: nowrap; display: inline-block; background: transparent; }
.quick-link:hover { background: var(--c-primary); color: #fff; }
.quick-links__result { width: 100%; text-align: center; font-size: 13px; color: var(--c-text-light); margin-top: 4px; }

/* Ranking Cards */
.rank-card { display: flex; gap: 20px; align-items: flex-start; padding: 22px 24px; background: var(--c-card); border: 1px solid var(--c-border); border-radius: var(--radius); box-shadow: var(--shadow-card); margin-top: 16px; transition: box-shadow .2s, transform .15s; }
.rank-card:hover { box-shadow: var(--shadow-hover); transform: translateY(-1px); }
.rank-card--top1 { border-left: 3px solid var(--c-gold); }
.rank-card--top2 { border-left: 3px solid var(--c-silver); }
.rank-card--top3 { border-left: 3px solid var(--c-bronze); }
.rank-card__num { flex-shrink: 0; width: 48px; text-align: center; padding-top: 6px; }
.rank-num { font-size: 26px; font-weight: 800; color: #c4c8cf; }
.rank-medal { font-size: 38px; line-height: 1; display: block; }
.rank-medal--1 { filter: drop-shadow(0 2px 8px rgba(245,158,11,.55)); }
.rank-medal--2 { filter: drop-shadow(0 2px 8px rgba(148,163,184,.55)); }
.rank-medal--3 { filter: drop-shadow(0 2px 8px rgba(217,119,6,.55)); }
.rank-card__logo { flex-shrink: 0; width: 60px; height: 60px; border-radius: 10px; overflow: hidden; border: 1px solid var(--c-border); background: #fff; display: flex; align-items: center; justify-content: center; }
.rank-card__logo img { width: 100%; height: 100%; object-fit: contain; padding: 6px; }
.rank-card__body { flex: 1; min-width: 0; }
.rank-card__title { font-size: 18px; font-weight: 700; margin: 0 0 6px; line-height: 1.25; }
.rank-card__title a { color: var(--c-heading); } .rank-card__title a:hover { color: var(--c-primary); }
.rank-badge-inline { display: inline-block; font-size: 10px; font-weight: 600; color: #92400e; background: #fef3c7; border: 1px solid #fcd34d; border-radius: 4px; padding: 1px 6px; margin-left: 6px; vertical-align: middle; }
.rank-card__tags { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 8px; }
.rank-tag { font-size: 12px; padding: 2px 10px; border-radius: 6px; font-weight: 500; white-space: nowrap; }
.rank-tag--meta { background: #f3f4f6; color: var(--c-text-light); }
.rank-tag--fuel { color: #fff; font-size: 11px; font-weight: 600; }
.rank-tag--ranqi { background: #2563eb; } .rank-tag--dianjiare, .rank-tag--dianjiare2 { background: #059669; }
.rank-tag--shengwuzhi { background: #d97706; } .rank-tag--ranyou { background: #dc2626; }
.rank-card__desc { font-size: 14px; color: var(--c-text-mid); line-height: 1.6; margin: 0 0 10px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.rank-card__footer { display: flex; align-items: center; justify-content: space-between; }
.rank-stars { font-size: 15px; color: var(--c-gold); letter-spacing: 1px; }
.rank-stars b { font-size: 13px; color: var(--c-text-mid); letter-spacing: 0; margin-left: 4px; font-weight: 600; }
.rank-card__link { font-size: 13px; font-weight: 600; color: var(--c-primary); padding: 6px 16px; border: 1px solid var(--c-primary); border-radius: 6px; transition: all .15s; white-space: nowrap; }
.rank-card__link:hover { background: var(--c-primary); color: #fff; }

/* Pagination */
.nav-links { display: flex; justify-content: center; gap: 6px; margin-top: 32px; }
.nav-links .page-numbers { display: inline-flex; align-items: center; justify-content: center; min-width: 38px; height: 38px; padding: 0 12px; font-size: 14px; font-weight: 500; border: 1px solid var(--c-border); border-radius: 8px; color: var(--c-text); background: #fff; transition: all .15s; }
.nav-links .page-numbers:hover { border-color: var(--c-primary); color: var(--c-primary); }
.nav-links .page-numbers.current { background: var(--c-primary); color: #fff; border-color: var(--c-primary); }
.nav-links .page-numbers.dots { border: none; background: none; color: var(--c-text-light); }
.nav-links .prev, .nav-links .next { padding: 0 16px; }

/* View All */
.rank-more { text-align: center; margin-top: 28px; }
.rank-more a { display: inline-block; padding: 12px 36px; font-size: 15px; font-weight: 600; color: #fff; background: var(--c-primary); border-radius: 8px; transition: all .15s; }
.rank-more a:hover { background: var(--c-primary-dark); }

/* GEO Promo */
.geo-promo { margin-top: 56px; }
.geo-promo h2 { font-size: 22px; font-weight: 700; color: var(--c-heading); text-align: center; margin-bottom: 24px; }
.geo-promo__grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 20px; margin-bottom: 28px; }
.geo-promo__card { background: #fff; border: 1px solid var(--c-border); border-radius: var(--radius); padding: 28px 24px; text-align: center; box-shadow: var(--shadow-card); transition: box-shadow .2s, transform .15s; }
.geo-promo__card:hover { box-shadow: var(--shadow-hover); transform: translateY(-2px); }
.geo-promo__icon { font-size: 28px; display: block; margin-bottom: 12px; }
.geo-promo__card h4 { font-size: 16px; font-weight: 700; color: var(--c-heading); margin-bottom: 8px; }
.geo-promo__card p { font-size: 14px; color: var(--c-text-mid); line-height: 1.65; margin: 0; }
.geo-promo__cta { text-align: center; }
.geo-promo__btn { display: inline-block; padding: 14px 40px; font-size: 16px; font-weight: 700; color: #fff; background: var(--c-primary); border-radius: 10px; box-shadow: 0 2px 12px rgba(37,99,235,.3); }
.geo-promo__note { display: block; margin-top: 12px; font-size: 13px; color: var(--c-text-light); }

/* Disclaimer */
.disclaimer { margin-top: 40px; padding: 18px 20px; background: #fff; border: 1px solid var(--c-border); border-radius: 8px; }
.disclaimer h3 { font-size: 14px; font-weight: 600; color: var(--c-text-light); margin: 0 0 8px; }
.disclaimer ol { margin: 0; padding-left: 20px; font-size: 13px; color: var(--c-text-light); line-height: 1.8; }

/* Brand Detail — 所有品牌统一单栏卡片布局 */
.geo-main--brand { padding-top: 28px; }
.brand-breadcrumb { font-size: 13px; color: var(--c-text-light); margin-bottom: 24px; }
.brand-breadcrumb a { color: var(--c-text-light); } .brand-breadcrumb span { margin: 0 6px; }
.brand-head { margin-bottom: 24px; }
.brand-head__top { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; margin-bottom: 8px; }
.brand-head__top h1 { font-size: 26px; font-weight: 800; color: var(--c-heading); margin: 0; line-height: 1.2; }
.brand-chip { font-size: 12px; font-weight: 700; padding: 3px 10px; border-radius: 12px; }
.brand-chip--rank { background: var(--c-primary); color: #fff; }
.brand-chip--premium { background: #fef3c7; color: #92400e; border: 1px solid #fcd34d; }
.brand-head__company { font-size: 15px; color: var(--c-text-light); margin: 4px 0 8px; }
.brand-head__tags { display: flex; flex-wrap: wrap; gap: 6px; align-items: center; font-size: 14px; }
.brand-rating { color: var(--c-gold); font-weight: 600; font-size: 14px; }
.brand-score { color: var(--c-text-light); font-size: 13px; }
.brand-card { background: #fff; border: 1px solid var(--c-border); border-radius: var(--radius); padding: 22px 24px; box-shadow: var(--shadow-card); margin-bottom: 16px; }
.brand-card h3 { font-size: 15px; font-weight: 700; color: var(--c-heading); margin: 0 0 12px; }
.brand-card--reason { background: #fffbeb; border-color: #fde68a; } .brand-card--reason h3 { color: #92400e; }
.brand-card--ai { background: #f0fdf4; border-color: #bbf7d0; } .brand-card--ai h3 { color: #166534; }
.brand-card--contact { background: var(--c-primary-bg); border-color: #bfdbfe; }
.brand-card--cta { background: #fef3c7; border-color: #fcd34d; text-align: center; font-size: 15px; color: #92400e; }
.brand-card--cta strong { color: #a16207; }
.brand-info-table { width: 100%; border-collapse: collapse; }
.brand-info-table th, .brand-info-table td { padding: 7px 0; font-size: 14px; text-align: left; border-bottom: 1px solid var(--c-border); }
.brand-info-table th { color: var(--c-text-light); font-weight: 500; width: 80px; }
.brand-info-table tr:last-child th, .brand-info-table tr:last-child td { border-bottom: none; }
.brand-features { list-style: none; padding: 0; margin: 0; }
.brand-features li { font-size: 14px; padding: 7px 0 7px 20px; position: relative; color: var(--c-text-mid); line-height: 1.5; }
.brand-features li + li { border-top: 1px solid var(--c-border); }
.brand-features li::before { content: '✓'; position: absolute; left: 0; color: var(--c-green); font-weight: 700; }
.brand-content { font-size: 16px; line-height: 1.85; }
.brand-content h2, .brand-content h3 { color: var(--c-heading); margin: 16px 0 8px; }
.brand-card p { font-size: 14px; line-height: 1.7; color: var(--c-text-mid); margin: 0; }
.brand-correct { font-size: 13px; color: var(--c-text-light); margin-top: 24px; text-align: center; }

/* Post List */
.post-item { padding: 20px 24px; background: #fff; border: 1px solid var(--c-border); border-radius: var(--radius); box-shadow: var(--shadow-card); margin-bottom: 14px; transition: box-shadow .15s; }
.post-item:hover { box-shadow: var(--shadow-hover); }
.post-item__title { font-size: 18px; font-weight: 700; margin: 0 0 8px; line-height: 1.35; }
.post-item__title a { color: var(--c-heading); }
.post-item__title a:hover { color: var(--c-primary); }
.post-item__meta { display: flex; gap: 12px; align-items: center; margin-bottom: 8px; font-size: 13px; color: var(--c-text-light); }
.post-item__cat { background: var(--c-primary-bg); color: var(--c-primary); padding: 2px 10px; border-radius: 4px; font-size: 12px; font-weight: 500; }
.post-item__excerpt { font-size: 14px; color: var(--c-text-mid); line-height: 1.6; margin: 0; }

/* Nav */
.geo-nav { display: flex; align-items: center; }
.geo-header__logo, .geo-header__brand { display: flex; align-items: center; }
.geo-footer__brand { display: flex; flex-direction: column; }
.geo-footer__nav { display: flex; align-items: center; }

/* FAQ & Cards */
.geo-faq-item { border: 1px solid var(--c-border); border-radius: 8px; margin-bottom: 10px; overflow: hidden; background: #fff; }
.geo-faq__question { padding: 14px 18px; font-size: 15px; font-weight: 600; color: var(--c-heading); cursor: pointer; list-style: none; display: flex; justify-content: space-between; }
.geo-faq__question::after { content: '+'; font-size: 18px; color: var(--c-primary); }
details[open] .geo-faq__question::after { content: '−'; }
.geo-faq__answer { padding: 0 18px 14px; font-size: 14px; line-height: 1.8; }
.geo-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px,1fr)); gap: 18px; }
.geo-card { background: #fff; border: 1px solid var(--c-border); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-card); transition: box-shadow .2s; }
.geo-card:hover { box-shadow: var(--shadow-hover); }
.geo-card__image img { width: 100%; height: 170px; object-fit: cover; }
.geo-card__body { padding: 16px 18px; }
.geo-card__title { font-size: 16px; font-weight: 600; } .geo-card__title a { color: var(--c-heading); }
.geo-card__excerpt { font-size: 13px; color: var(--c-text-mid); margin-top: 6px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.geo-card__date { font-size: 12px; color: var(--c-text-light); margin-top: 8px; }
.geo-section__title { font-size: 20px; font-weight: 700; color: var(--c-heading); margin-bottom: 16px; }
.geo-page__title, .geo-article__title { font-size: 26px; font-weight: 700; color: var(--c-heading); margin-bottom: 16px; }
.geo-page__content, .geo-article__content { line-height: 1.8; font-size: 16px; }
.geo-404 { text-align: center; padding: 80px 20px; } .geo-404__title { font-size: 72px; font-weight: 800; color: var(--c-border); }
.geo-empty { text-align: center; padding: 48px 20px; color: var(--c-text-light); font-size: 15px; }

/* Breadcrumb */
.geo-breadcrumb { padding-top: 12px; margin-bottom: 16px; }
.geo-breadcrumb ol { display: flex; list-style: none; margin: 0; padding: 0; font-size: 13px; color: var(--c-text-light); flex-wrap: wrap; }
.geo-breadcrumb li { display: flex; align-items: center; }
.geo-breadcrumb a { color: var(--c-text-light); }
.geo-breadcrumb a:hover { color: var(--c-primary); }
.geo-breadcrumb span { margin: 0 6px; color: var(--c-border); }

/* Footer */
.geo-footer { background: #0f172a; border-top: 1px solid rgba(255,255,255,.08); padding: 24px 0; margin-top: 56px; }
.geo-footer__inner { max-width: var(--max-width); margin: 0 auto; padding: 0 24px; display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 12px; }
.geo-footer__name { font-weight: 600; color: #fff; font-size: 14px; }
.geo-footer__copyright { font-size: 13px; color: rgba(255,255,255,.45); }
.geo-footer__links { display: flex; gap: 16px; list-style: none; margin: 0; padding: 0; }
.geo-footer__links a { font-size: 13px; color: rgba(255,255,255,.6); }
.geo-footer__links a:hover { color: #fff; }

/* Mobile */
@media (max-width: 768px) {
    .geo-header__inner { padding: 0 16px; } .geo-main { padding: 0 16px 32px; }
    .geo-hero { padding: 36px 16px 32px; } .geo-hero h1 { font-size: 24px; }
    .stats-bar { gap: 0; padding: 18px 0; } .stats-item { padding: 0 20px; } .stats-item__num { font-size: 22px; }
    .quick-links { padding: 12px 0; } .quick-link { padding: 4px 12px; font-size: 12px; }
    .rank-card { padding: 16px 18px; gap: 14px; flex-wrap: wrap; }
    .rank-card__num { width: 40px; } .rank-card__logo { width: 48px; height: 48px; }
    .rank-card__title { font-size: 16px; } .rank-num { font-size: 22px; } .rank-medal { font-size: 32px; }
    .rank-card__link { font-size: 12px; padding: 5px 12px; }
    .geo-promo__grid { grid-template-columns: 1fr; }
    .brand-head__top h1 { font-size: 22px; } .brand-card { padding: 16px 18px; }
    .geo-nav__toggle { display: flex; }
    .geo-nav__list { display: none; position: absolute; top: 60px; left: 0; right: 0; background: #0f172a; border-bottom: 2px solid rgba(255,255,255,.08); flex-direction: column; padding: 12px 0; box-shadow: 0 8px 24px rgba(0,0,0,.4); z-index: 99; }
    .geo-nav__list--open { display: flex; }
    .geo-nav__list a { padding: 12px 24px; font-size: 16px; border-radius: 0; border-bottom: 1px solid rgba(255,255,255,.06); color: rgba(255,255,255,.72); }
	    .geo-nav__list a:hover, .geo-nav__list .current-menu-item a { background: rgba(37,99,235,.35); color: #fff; }
}