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

:root {
  --bn-bg: #f7f5f0;
  --bn-bg-deep: #efeae0;
  --bn-ink: #1c1b18;
  --bn-ink-soft: #4a4740;
  --bn-ink-mute: #8b877d;
  --bn-line: #ddd6c8;
  --bn-line-soft: #e8e2d5;
  --bn-brand: #ff7a1a;
  --bn-brand-deep: #e85f00;
  --bn-brand-soft: #fff0e0;
  --bn-accent: #2ec27e;
  --bn-warn: #d64545;
  --bn-radius: 14px;
  --bn-radius-sm: 8px;
  --bn-radius-lg: 24px;
  --bn-shadow: 0 4px 18px rgba(28, 27, 24, 0.08);
  --bn-shadow-lg: 0 12px 40px rgba(28, 27, 24, 0.14);
  --bn-wrap: 1160px;
  --bn-masthead-h: 64px;
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bn-bg);
  color: var(--bn-ink);
  line-height: 1.6;
  font-size: 15px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img { max-width: 100%; display: block; border: 0; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; border: 0; background: none; color: inherit; }
input { font: inherit; }
ul, ol { list-style: none; }
h1, h2, h3, h4, h5 { font-weight: 800; line-height: 1.25; letter-spacing: -0.01em; }

.bn-num { font-variant-numeric: tabular-nums; font-feature-settings: "tnum"; }

/* ========== 容器 ========== */
.bn-wrap {
  width: 100%;
  max-width: var(--bn-wrap);
  margin: 0 auto;
  padding: 0 20px;
}

/* ========== 按钮 ========== */
.bn-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 11px 22px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 14px;
  line-height: 1;
  white-space: nowrap;
  transition: transform .18s ease, box-shadow .18s ease, background .18s ease, color .18s ease;
  border: 2px solid transparent;
}
.bn-btn-sm { padding: 8px 16px; font-size: 13px; }
.bn-btn-lg { padding: 15px 32px; font-size: 16px; }

.bn-btn-solid {
  background: var(--bn-brand);
  color: #fff;
  box-shadow: 0 4px 14px rgba(255, 122, 26, .32);
}
.bn-btn-solid:hover { background: var(--bn-brand-deep); transform: translateY(-1px); box-shadow: 0 6px 20px rgba(255, 122, 26, .4); }

.bn-btn-line {
  background: transparent;
  color: var(--bn-ink);
  border-color: var(--bn-line);
}
.bn-btn-line:hover { border-color: var(--bn-ink); transform: translateY(-1px); }

/* ========== Masthead ========== */
.bn-masthead {
  position: sticky;
  top: 0;
  z-index: 60;
  background: rgba(247, 245, 240, .92);
  backdrop-filter: saturate(180%) blur(12px);
  -webkit-backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--bn-line-soft);
  transition: box-shadow .2s ease;
}
.bn-masthead.is-scrolled { box-shadow: 0 2px 16px rgba(28, 27, 24, .07); }

.bn-masthead-inner {
  display: flex;
  align-items: center;
  gap: 18px;
  height: var(--bn-masthead-h);
}

.bn-brand { display: inline-flex; align-items: center; gap: 10px; flex-shrink: 0; }
.bn-logo-frame {
  width: 36px; height: 36px;
  border-radius: 10px;
  overflow: hidden;
  background: #fff;
  display: grid; place-items: center;
  box-shadow: 0 2px 8px rgba(28, 27, 24, .1);
  flex-shrink: 0;
}
.bn-logo-frame img { width: 100%; height: 100%; object-fit: contain; }
.bn-brand-text { display: flex; flex-direction: column; line-height: 1.1; }
.bn-brand-text strong { font-size: 16px; font-weight: 900; letter-spacing: -0.02em; }
.bn-brand-text small { font-size: 9px; letter-spacing: .14em; color: var(--bn-ink-mute); font-weight: 600; }

.bn-issue {
  font-size: 12px;
  color: var(--bn-ink-mute);
  padding: 4px 10px;
  border: 1px dashed var(--bn-line);
  border-radius: 999px;
  white-space: nowrap;
}

.bn-masthead-nav {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-left: auto;
  font-size: 14px;
  font-weight: 600;
}
.bn-masthead-nav a {
  padding: 8px 12px;
  border-radius: 8px;
  color: var(--bn-ink-soft);
  transition: background .16s, color .16s;
  white-space: nowrap;
}
.bn-masthead-nav a:hover { background: var(--bn-bg-deep); color: var(--bn-ink); }
.bn-masthead-nav a.is-active { background: var(--bn-brand-soft); color: var(--bn-brand-deep); }

.bn-masthead-cta { margin-left: 8px; }

/* ========== Section 通用 ========== */
.bn-section { padding: 56px 0; }
.bn-section.is-deep { background: var(--bn-bg-deep); }

.bn-sec-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}
.bn-sec-no {
  display: inline-block;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: .16em;
  color: var(--bn-brand-deep);
  text-transform: uppercase;
  margin-bottom: 8px;
}
.bn-sec-head h2 { font-size: clamp(22px, 3.2vw, 30px); }
.bn-sec-note { font-size: 13px; color: var(--bn-ink-mute); max-width: 420px; line-height: 1.6; }

.bn-sec-rule { border: 0; height: 1px; background: var(--bn-line); margin: 0 0 28px; }

.bn-more {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-top: 28px;
  padding-top: 20px;
  border-top: 1px dashed var(--bn-line);
  flex-wrap: wrap;
}
.bn-more-note { font-size: 13px; color: var(--bn-ink-mute); }
.bn-more-link {
  font-size: 14px; font-weight: 700; color: var(--bn-brand-deep);
  display: inline-flex; align-items: center; gap: 4px;
}
.bn-more-link::after { content: "→"; transition: transform .18s; }
.bn-more-link:hover::after { transform: translateX(3px); }

/* ========== Hero ========== */
.bn-hero { padding: 40px 0 20px; }
.bn-hero-rule { height: 4px; background: var(--bn-ink); border-radius: 2px; margin-bottom: 14px; }
.bn-hero-head {
  display: flex; align-items: center; justify-content: space-between;
  font-size: 12px; color: var(--bn-ink-mute);
  padding-bottom: 14px; border-bottom: 1px solid var(--bn-line);
  margin-bottom: 32px;
}
.bn-hero-mast { font-weight: 700; letter-spacing: .1em; color: var(--bn-ink-soft); }

.bn-hero-main { max-width: 780px; }
.bn-h1 { display: flex; flex-direction: column; gap: 8px; margin-bottom: 20px; }
.bn-h1-main { font-size: clamp(34px, 6vw, 56px); letter-spacing: -0.03em; line-height: 1.05; }
.bn-h1-sub { font-size: clamp(15px, 2.2vw, 19px); font-weight: 600; color: var(--bn-ink-soft); letter-spacing: 0; }

.bn-hero-lead { font-size: clamp(15px, 1.8vw, 17px); color: var(--bn-ink-soft); max-width: 640px; margin-bottom: 26px; }

.bn-hero-actions { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 36px; }

.bn-hero-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  max-width: 620px;
}
.bn-stat {
  background: #fff;
  border: 1px solid var(--bn-line-soft);
  border-radius: var(--bn-radius);
  padding: 14px 16px;
  display: flex; flex-direction: column; gap: 2px;
}
.bn-stat b { font-size: 22px; font-weight: 900; color: var(--bn-brand-deep); }
.bn-stat span { font-size: 12px; color: var(--bn-ink-mute); }

/* 封面条 */
.bn-strip-head {
  display: flex; align-items: baseline; justify-content: space-between;
  gap: 16px; margin: 44px 0 14px;
  flex-wrap: wrap;
}
.bn-strip-label { font-size: 13px; font-weight: 800; letter-spacing: .08em; }
.bn-strip-note { font-size: 12px; color: var(--bn-ink-mute); }

.bn-strip {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 12px;
}
.bn-strip-item {
  position: relative;
  border-radius: var(--bn-radius);
  overflow: hidden;
  background: #e5e0d5;
  aspect-ratio: 3 / 4;
  box-shadow: var(--bn-shadow);
  transition: transform .22s ease, box-shadow .22s ease;
}
.bn-strip-item:hover { transform: translateY(-4px); box-shadow: var(--bn-shadow-lg); }
.bn-strip-item img { width: 100%; height: 100%; object-fit: cover; }
.bn-strip-item figcaption {
  position: absolute; left: 0; right: 0; bottom: 0;
  padding: 24px 10px 10px;
  color: #fff; font-size: 12px; font-weight: 700;
  background: linear-gradient(to top, rgba(0,0,0,.78), rgba(0,0,0,0));
  line-height: 1.3;
}

/* ========== 今日上新表 ========== */
.bn-fresh-scroll { overflow-x: auto; -webkit-overflow-scrolling: touch; }
.bn-fresh-table { min-width: 760px; }
.bn-fresh-cols, .bn-fresh-row {
  display: grid;
  grid-template-columns: 90px 1.6fr 100px 2.4fr 100px;
  gap: 14px;
  align-items: center;
  padding: 14px 10px;
}
.bn-fresh-cols {
  font-size: 11px; font-weight: 800; letter-spacing: .1em;
  color: var(--bn-ink-mute); text-transform: uppercase;
  border-bottom: 1px solid var(--bn-line);
  padding-bottom: 10px;
}
.bn-fresh-row {
  border-bottom: 1px solid var(--bn-line-soft);
  transition: background .16s;
  border-radius: 8px;
}
.bn-fresh-row:hover { background: #fff; }
.bn-fresh-row h3 { font-size: 15px; font-weight: 800; }
.bn-fresh-time { font-size: 13px; font-weight: 700; color: var(--bn-brand-deep); }
.bn-fresh-genre { font-size: 12px; color: var(--bn-ink-soft); }
.bn-fresh-hook { font-size: 13px; color: var(--bn-ink-soft); }
.bn-fresh-heat { font-size: 13px; font-weight: 800; text-align: right; }

/* ========== 专题卡片 ========== */
.bn-topics { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.bn-ticket {
  background: #fff;
  border: 1px solid var(--bn-line-soft);
  border-radius: var(--bn-radius-lg);
  padding: 22px;
  display: flex; flex-direction: column; gap: 14px;
  transition: transform .2s ease, box-shadow .2s ease;
}
.bn-ticket:hover { transform: translateY(-3px); box-shadow: var(--bn-shadow-lg); }
.bn-ticket-head { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.bn-ticket-vol {
  font-size: 10px; font-weight: 900; letter-spacing: .12em;
  background: var(--bn-ink); color: #fff;
  padding: 3px 8px; border-radius: 6px;
}
.bn-ticket-head h3 { font-size: 17px; flex: 1; min-width: 120px; }
.bn-ticket-tag {
  font-size: 11px; font-weight: 700; color: var(--bn-brand-deep);
  background: var(--bn-brand-soft); padding: 3px 10px; border-radius: 999px;
}
.bn-ticket-desc { font-size: 13px; color: var(--bn-ink-soft); }

.bn-ticket-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; }
.bn-ticket-grid.is-five { grid-template-columns: repeat(5, 1fr); }
.bn-ticket-grid figure { border-radius: var(--bn-radius-sm); overflow: hidden; background: #e5e0d5; }
.bn-ticket-grid img { width: 100%; aspect-ratio: 3 / 4; object-fit: cover; }
.bn-ticket-grid figcaption { padding: 4px 2px 0; }
.bn-ticket-grid h4 { font-size: 11px; font-weight: 700; line-height: 1.3; }

.bn-ticket-foot {
  display: flex; align-items: center; justify-content: space-between;
  padding-top: 10px; border-top: 1px dashed var(--bn-line);
  font-size: 12px; color: var(--bn-ink-mute);
}
.bn-ticket-go { font-weight: 800; color: var(--bn-brand-deep); }
.bn-ticket-go::after { content: " →"; }

/* ========== 排行榜 ========== */
.bn-rank-list { display: flex; flex-direction: column; }
.bn-rank-item {
  display: grid;
  grid-template-columns: 48px 1fr auto;
  gap: 16px;
  align-items: center;
  padding: 14px 8px;
  border-bottom: 1px solid var(--bn-line-soft);
  transition: background .16s;
  border-radius: 8px;
}
.bn-rank-item:hover { background: #fff; }
.bn-rank-item.is-top .bn-rank-no { color: var(--bn-brand-deep); }
.bn-rank-no { font-size: 22px; font-weight: 900; color: var(--bn-ink-mute); }
.bn-rank-main h3 { font-size: 16px; font-weight: 800; }
.bn-rank-main span { font-size: 12px; color: var(--bn-ink-mute); }
.bn-rank-side { display: flex; flex-direction: column; align-items: flex-end; gap: 2px; }
.bn-rank-heat { font-size: 14px; font-weight: 800; }
.bn-trend { font-size: 12px; font-weight: 700; }
.bn-trend.is-up { color: var(--bn-accent); }
.bn-trend.is-down { color: var(--bn-warn); }
.bn-trend.is-flat { color: var(--bn-ink-mute); }

/* ========== AI 找剧 ========== */
.bn-ai-grid { display: grid; grid-template-columns: 1.2fr 1fr; gap: 32px; align-items: start; }
.bn-chat { display: flex; flex-direction: column; gap: 22px; }
.bn-chat-pair { display: flex; flex-direction: column; gap: 10px; }
.bn-msg-q {
  align-self: flex-end;
  max-width: 80%;
  background: var(--bn-ink); color: #fff;
  padding: 10px 16px; border-radius: 16px 16px 4px 16px;
  font-size: 14px; font-weight: 600;
}
.bn-msg-a { display: flex; flex-direction: column; gap: 10px; font-size: 14px; color: var(--bn-ink-soft); }
.bn-msg-drama {
  background: #fff; border: 1px solid var(--bn-line-soft);
  border-radius: var(--bn-radius);
  padding: 14px 16px;
  display: flex; flex-direction: column; gap: 4px;
  box-shadow: var(--bn-shadow);
}
.bn-msg-drama h4 { font-size: 15px; font-weight: 800; }
.bn-msg-drama span { font-size: 12px; color: var(--bn-ink-mute); }
.bn-match { display: inline-flex; align-items: baseline; gap: 4px; margin-top: 4px; }
.bn-match b { font-size: 18px; font-weight: 900; color: var(--bn-brand-deep); }
.bn-match span { font-size: 11px; }

.bn-ai-points { display: flex; flex-direction: column; gap: 18px; }
.bn-point { display: flex; gap: 14px; align-items: flex-start; }
.bn-point-no {
  font-size: 13px; font-weight: 900; color: #fff;
  background: var(--bn-brand); width: 30px; height: 30px;
  border-radius: 8px; display: grid; place-items: center; flex-shrink: 0;
}
.bn-point h4 { font-size: 15px; font-weight: 800; margin-bottom: 2px; }
.bn-point p { font-size: 13px; color: var(--bn-ink-soft); }

/* ========== 漫剧 ========== */
.bn-manhua-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; align-items: start; }
.bn-manhua-lead { font-size: 14px; color: var(--bn-ink-soft); line-height: 1.75; }
.bn-manhua-featured {
  margin-top: 18px; border-radius: var(--bn-radius-lg); overflow: hidden;
  background: #e5e0d5; box-shadow: var(--bn-shadow);
}
.bn-manhua-featured img { width: 100%; aspect-ratio: 16 / 10; object-fit: cover; }
.bn-manhua-featured figcaption { padding: 14px 18px; background: #fff; }
.bn-manhua-featured h4 { font-size: 16px; font-weight: 800; }
.bn-manhua-featured span { font-size: 12px; color: var(--bn-ink-mute); }

.bn-manhua-list { display: flex; flex-direction: column; gap: 12px; }
.bn-manhua-item {
  display: flex; gap: 14px; align-items: center;
  background: #fff; border: 1px solid var(--bn-line-soft);
  border-radius: var(--bn-radius); padding: 10px;
  transition: transform .18s, box-shadow .18s;
}
.bn-manhua-item:hover { transform: translateX(4px); box-shadow: var(--bn-shadow); }
.bn-manhua-item img { width: 64px; height: 64px; border-radius: 8px; object-fit: cover; flex-shrink: 0; }
.bn-manhua-item h4 { font-size: 14px; font-weight: 800; }
.bn-manhua-item p { font-size: 12px; color: var(--bn-ink-mute); }
.bn-manhua-note { font-size: 13px; color: var(--bn-ink-soft); margin-top: 14px; }

/* ========== 免费声明 ========== */
.bn-free {
  background: var(--bn-brand);
  color: #fff;
  padding: 56px 0;
}
.bn-free .bn-sec-no { color: rgba(255,255,255,.8); }
.bn-free-title { font-size: clamp(22px, 3.4vw, 32px); margin-bottom: 10px; }
.bn-free-headline { font-size: clamp(16px, 2.2vw, 20px); font-weight: 800; margin-bottom: 28px; }
.bn-free-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.bn-free-cell {
  background: rgba(255,255,255,.14);
  border: 1px solid rgba(255,255,255,.24);
  border-radius: var(--bn-radius);
  padding: 18px 20px;
}
.bn-free-cell h3 { font-size: 16px; font-weight: 800; margin-bottom: 6px; }
.bn-free-cell p { font-size: 13px; line-height: 1.6; color: rgba(255,255,255,.9); }
.bn-free-extra { margin-top: 22px; font-size: 13px; color: rgba(255,255,255,.85); }

/* ========== 评价 ========== */
.bn-reviews { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.bn-quote {
  background: #fff; border: 1px solid var(--bn-line-soft);
  border-radius: var(--bn-radius); padding: 20px;
  display: flex; flex-direction: column; gap: 14px;
}
.bn-quote p { font-size: 14px; color: var(--bn-ink-soft); line-height: 1.7; flex: 1; }
.bn-quote footer { display: flex; align-items: center; justify-content: space-between; gap: 8px; }
.bn-quote b { font-size: 13px; }
.bn-quote i { font-size: 12px; color: var(--bn-ink-mute); font-style: normal; }

/* ========== FAQ ========== */
.bn-faq-list { display: flex; flex-direction: column; }
.bn-faq-item {
  display: grid;
  grid-template-columns: 56px 1fr;
  gap: 12px 18px;
  padding: 18px 8px;
  border-bottom: 1px solid var(--bn-line-soft);
}
.bn-faq-q { font-size: 14px; font-weight: 900; color: var(--bn-brand-deep); }
.bn-faq-item h3 { font-size: 15px; font-weight: 800; margin-bottom: 4px; }
.bn-faq-item p { font-size: 13px; color: var(--bn-ink-soft); grid-column: 2; line-height: 1.7; }

/* ========== 品牌介绍 ========== */
.bn-about-grid { display: grid; grid-template-columns: 1.4fr 1fr; gap: 32px; align-items: start; }
.bn-about-paras { display: flex; flex-direction: column; gap: 14px; font-size: 14px; color: var(--bn-ink-soft); line-height: 1.8; }
.bn-stats { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.bn-stat-cell {
  background: #fff; border: 1px solid var(--bn-line-soft);
  border-radius: var(--bn-radius); padding: 18px;
  display: flex; flex-direction: column; gap: 4px;
}
.bn-stat-cell b { font-size: 26px; font-weight: 900; color: var(--bn-brand-deep); }
.bn-stat-cell span { font-size: 12px; color: var(--bn-ink-mute); }

/* ========== 下载区 ========== */
.bn-download {
  background: linear-gradient(160deg, #1c1b18 0%, #2d2a24 100%);
  color: #fff;
  padding: 64px 0;
}
.bn-dl-kicker { font-size: 11px; font-weight: 800; letter-spacing: .18em; color: var(--bn-brand); margin-bottom: 12px; }
.bn-download h2 { font-size: clamp(24px, 3.6vw, 36px); margin-bottom: 14px; }
.bn-dl-lead { font-size: 15px; color: rgba(255,255,255,.72); max-width: 620px; margin-bottom: 32px; }

.bn-dl-grid { display: grid; grid-template-columns: 1.2fr 1fr; gap: 36px; align-items: start; }
.bn-dl-actions { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 22px; }
.bn-dl-actions .bn-btn-solid { box-shadow: 0 6px 24px rgba(255,122,26,.42); }
.bn-dl-actions .bn-btn-line { color: #fff; border-color: rgba(255,255,255,.3); }
.bn-dl-actions .bn-btn-line:hover { border-color: #fff; }

.bn-spec { display: grid; grid-template-columns: 1fr 1fr; gap: 10px 20px; margin-bottom: 16px; }
.bn-spec-row { display: flex; justify-content: space-between; gap: 8px; font-size: 13px; padding-bottom: 6px; border-bottom: 1px solid rgba(255,255,255,.1); }
.bn-spec-row dt { color: rgba(255,255,255,.55); }
.bn-spec-row dd { font-weight: 700; }
.bn-dl-note { font-size: 12px; color: rgba(255,255,255,.55); }

.bn-steps { display: flex; flex-direction: column; gap: 16px; }
.bn-step { display: flex; gap: 14px; align-items: flex-start; }
.bn-step-no {
  width: 32px; height: 32px; border-radius: 8px;
  background: var(--bn-brand); color: #fff;
  display: grid; place-items: center; font-weight: 900; font-size: 13px; flex-shrink: 0;
}
.bn-step h3 { font-size: 14px; font-weight: 800; margin-bottom: 2px; }
.bn-step p { font-size: 13px; color: rgba(255,255,255,.65); }

/* 二维码区 */
.bn-qr-section {
  margin-top: 40px; padding-top: 28px;
  border-top: 1px solid rgba(255,255,255,.12);
  display: flex; flex-direction: column; align-items: center; gap: 10px;
}
.bn-qr-label { font-size: 13px; font-weight: 700; color: rgba(255,255,255,.85); }
.bn-qr-box {
  width: 168px; height: 168px;
  background: #fff; border-radius: var(--bn-radius);
  padding: 10px; display: grid; place-items: center;
  box-shadow: 0 8px 30px rgba(0,0,0,.3);
}
.bn-qr-box canvas, .bn-qr-box svg { width: 100%; height: 100%; display: block; }
.bn-qr-note { font-size: 12px; color: rgba(255,255,255,.5); }

/* ========== 底部下载条 ========== */
.bn-dlbar {
  display: none;
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 80;
  background: rgba(28,27,24,.96);
  backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
  color: #fff;
  padding: 10px 16px;
  align-items: center; justify-content: space-between; gap: 12px;
  border-top: 1px solid rgba(255,255,255,.1);
}
.bn-dlbar-info { display: flex; flex-direction: column; line-height: 1.25; }
.bn-dlbar-info b { font-size: 13px; font-weight: 800; }
.bn-dlbar-info span { font-size: 11px; color: rgba(255,255,255,.6); }
.has-dlbar .bn-dlbar { display: flex; }

/* ========== Footer ========== */
.bn-footer {
  background: #14130f;
  color: rgba(255,255,255,.72);
  padding: 48px 0 28px;
  font-size: 13px;
}
.bn-footer-grid {
  display: grid;
  grid-template-columns: 1.6fr repeat(4, 1fr);
  gap: 32px;
  padding-bottom: 32px;
  border-bottom: 1px solid rgba(255,255,255,.08);
}
.bn-footer-brand { display: flex; flex-direction: column; gap: 14px; max-width: 320px; }
.bn-footer-brand .bn-brand-text strong { color: #fff; }
.bn-footer-brand .bn-brand-text small { color: rgba(255,255,255,.4); }
.bn-footer-brand p { font-size: 12px; line-height: 1.7; color: rgba(255,255,255,.55); }

.bn-footer-col { display: flex; flex-direction: column; gap: 8px; }
.bn-footer-col h5 { font-size: 12px; font-weight: 800; letter-spacing: .1em; color: #fff; text-transform: uppercase; margin-bottom: 4px; }
.bn-footer-col a { font-size: 13px; color: rgba(255,255,255,.6); transition: color .16s; }
.bn-footer-col a:hover { color: var(--bn-brand); }

.bn-footer-tags {
  display: flex; flex-wrap: wrap; gap: 8px;
  padding: 24px 0;
  border-bottom: 1px solid rgba(255,255,255,.08);
  align-items: center;
}
.bn-footer-tags strong { font-size: 12px; color: #fff; margin-right: 6px; }
.bn-footer-tags span { font-size: 12px; color: rgba(255,255,255,.45); }

.bn-footer-legal {
  display: flex; flex-wrap: wrap; gap: 8px 20px;
  padding-top: 20px;
  font-size: 12px; color: rgba(255,255,255,.4);
  align-items: center;
}
.bn-footer-legal a { color: rgba(255,255,255,.5); text-decoration: underline; text-underline-offset: 3px; }

/* ========== 响应式 ========== */
@media (max-width: 1024px) {
  .bn-topics { grid-template-columns: 1fr; }
  .bn-ai-grid, .bn-manhua-grid, .bn-about-grid, .bn-dl-grid { grid-template-columns: 1fr; }
  .bn-reviews { grid-template-columns: repeat(2, 1fr); }
  .bn-footer-grid { grid-template-columns: 1fr 1fr 1fr; }
  .bn-strip { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 720px) {
  .bn-section { padding: 40px 0; }
  .bn-masthead-nav { display: none; }
  .bn-issue { display: none; }
  .bn-hero-stats { grid-template-columns: repeat(2, 1fr); }
  .bn-strip { grid-template-columns: repeat(2, 1fr); }
  .bn-free-grid { grid-template-columns: 1fr; }
  .bn-reviews { grid-template-columns: 1fr; }
  .bn-footer-grid { grid-template-columns: 1fr 1fr; }
  .bn-faq-item { grid-template-columns: 40px 1fr; }
  .bn-ticket-grid.is-five { grid-template-columns: repeat(3, 1fr); }
  .bn-fresh-cols, .bn-fresh-row { grid-template-columns: 70px 1.4fr 90px 2fr 80px; gap: 10px; }
}

@media (max-width: 480px) {
  .bn-wrap { padding: 0 14px; }
  .bn-hero-actions { flex-direction: column; align-items: stretch; }
  .bn-hero-actions .bn-btn { width: 100%; }
  .bn-footer-grid { grid-template-columns: 1fr; }
  .bn-ticket-grid, .bn-ticket-grid.is-five { grid-template-columns: repeat(2, 1fr); }
  .bn-qr-box { width: 140px; height: 140px; }
}