:root {
  --bg: #F9F8F6;
  --bg-alt: #F0EDE8;
  --ink: #1C1917;
  --ink-2: #78716C;
  --brand: #D97706;
  --brand-soft: #FEF3C7;
  --line: #E7E5E4;
}
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
body {
  background-color: var(--bg);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-size: 15px;
  line-height: 1.85;
  -webkit-font-smoothing: antialiased;
}
a {
  color: inherit;
  text-decoration: none;
}
img {
  display: block;
  max-width: 100%;
}
.container {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 20px;
}
section {
  margin-bottom: 104px;
}
@media (max-width: 767px) {
  section {
    margin-bottom: 56px;
  }
}

/* 01 适龄提示条 */
.age-banner {
  background-color: var(--ink);
  color: rgba(255, 255, 255, 0.8);
  font-size: 13px;
  text-align: center;
  height: 36px;
  line-height: 36px;
}

/* 02 导航 */
.header-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: rgba(249, 248, 246, 0.8);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}
.nav-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 64px;
}
.nav-left {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 18px;
}
.nav-left img {
  height: 32px;
  width: auto;
}
.nav-center {
  display: flex;
  gap: 24px;
  font-size: 14px;
  font-weight: 500;
  color: var(--ink-2);
}
.nav-center a:hover {
  color: var(--ink);
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 8px 20px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 14px;
  transition: all 0.2s;
  cursor: pointer;
}
.btn-primary {
  background-color: var(--brand);
  color: #fff;
  border: 1px solid var(--brand);
}
.btn-primary:hover {
  background-color: #B45309;
}
.btn-outline {
  background-color: transparent;
  color: var(--ink);
  border: 1px solid var(--line);
}
.btn-outline:hover {
  border-color: var(--ink);
}
.nav-menu-btn {
  display: none;
  font-size: 24px;
  background: none;
  border: none;
  color: var(--ink);
}
@media (max-width: 767px) {
  .nav-center { display: none; }
  .nav-menu-btn { display: block; }
  .nav-right .btn { padding: 6px 14px; font-size: 13px; }
}

/* 通用标题区 */
.sec-header {
  margin-bottom: 40px;
  text-align: left;
}
.kicker {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--ink-2);
  font-weight: 600;
}
.sec-title {
  font-size: 32px;
  font-weight: 700;
  line-height: 1.3;
  margin-top: 12px;
}
.sec-desc {
  font-size: 16px;
  font-weight: 500;
  color: var(--ink-2);
  max-width: 620px;
  margin-top: 10px;
}

/* 03 首屏 */
.hero {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
  padding-top: 40px;
}
.hero-content {
  flex: 1.05;
}
.hero-eyebrow {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--brand);
  font-weight: 700;
  margin-bottom: 16px;
  display: block;
}
.hero-title {
  font-size: clamp(40px, 6vw, 64px);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.1;
  margin-bottom: 20px;
}
.hero-subtitle {
  font-size: 20px;
  font-weight: 500;
  color: var(--ink-2);
  font-style: italic;
  margin-bottom: 16px;
}
.hero-desc {
  font-size: 15px;
  line-height: 1.85;
  color: var(--ink-2);
  margin-bottom: 32px;
  max-width: 90%;
}
.hero-actions {
  display: flex;
  gap: 16px;
  margin-bottom: 32px;
}
.hero-pills {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-bottom: 32px;
  max-width: 400px;
}
.pill {
  padding: 8px 16px;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 13px;
  font-weight: 500;
  text-align: center;
  background: #fff;
}
.hero-scenes {
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.scene-row {
  font-size: 15px;
  color: var(--ink-2);
}
.scene-row strong {
  color: var(--ink);
  font-size: 16px;
  margin-right: 8px;
  display: inline-block;
  width: 48px;
}
.hero-visual {
  flex: 1;
}
.collage {
  position: relative;
  aspect-ratio: 4/5;
  width: 100%;
  max-width: 480px;
  margin: 0 auto;
}
.collage-img {
  position: absolute;
  border-radius: 12px;
  border: 1px solid #fff;
  box-shadow: 0 18px 40px rgba(0,0,0,.16);
  object-fit: cover;
}
.collage-main {
  width: 62%;
  height: 80%;
  top: 10%;
  left: 19%;
  z-index: 2;
}
.collage-sub-a {
  width: 34%;
  height: 40%;
  top: -6%;
  left: 0;
  z-index: 1;
  transform: rotate(-4deg);
}
.collage-sub-b {
  width: 34%;
  height: 40%;
  bottom: -6%;
  right: 0;
  z-index: 3;
  transform: rotate(4deg);
}
.hero-legal {
  font-size: 13px;
  color: var(--ink-2);
  margin-top: 32px;
}
@media (max-width: 767px) {
  .hero { flex-direction: column; text-align: center; }
  .hero-content { margin-bottom: 40px; }
  .hero-desc { margin: 0 auto 32px; }
  .hero-actions { justify-content: center; }
  .hero-pills { margin: 0 auto 32px; }
  .hero-scenes { text-align: left; }
  .collage { aspect-ratio: 3/4; }
  .collage-main { width: 100%; height: 100%; top: 0; left: 0; }
  .collage-sub-a, .collage-sub-b { display: none; }
}

/* 04 三入口卡 */
.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.card-entry {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 24px;
  display: flex;
  flex-direction: column;
  transition: border-color 0.2s;
}
.card-entry:hover {
  border-color: var(--brand);
}
.card-entry svg {
  width: 24px;
  height: 24px;
  margin-bottom: 16px;
  stroke: var(--brand);
  fill: none;
  stroke-width: 1.6;
}
.card-entry h3 {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 8px;
}
.card-entry p {
  font-size: 14px;
  color: var(--ink-2);
  margin-bottom: 24px;
  flex-grow: 1;
}
.link-arrow {
  font-size: 14px;
  font-weight: 600;
  color: var(--brand);
  display: inline-flex;
  align-items: center;
}
.link-arrow span {
  transition: transform 0.2s;
  margin-left: 4px;
}
.card-entry:hover .link-arrow span {
  transform: translateX(4px);
}

/* 05 为什么选我们 */
.grid-2x2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}
.feature-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 24px;
}
.feature-card svg {
  width: 24px;
  height: 24px;
  margin-bottom: 16px;
  stroke: var(--brand);
  fill: none;
  stroke-width: 1.6;
}
.feature-card h3 {
  font-size: 17px;
  font-weight: 600;
  margin-bottom: 8px;
}
.feature-card p {
  font-size: 14px;
  color: var(--ink-2);
  margin-bottom: 12px;
}
.feature-card .sub-note {
  font-size: 13px;
  color: var(--ink-2);
  opacity: 0.8;
}

/* 06 热播 */
.grid-3x2 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.drama-card {
  display: block;
}
.drama-cover {
  position: relative;
  aspect-ratio: 3/4;
  border-radius: 12px;
  overflow: hidden;
  margin-bottom: 12px;
}
.drama-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.status-badge {
  position: absolute;
  top: 8px;
  left: 8px;
  background: rgba(0,0,0,0.6);
  color: #fff;
  font-size: 11px;
  padding: 2px 8px;
  border-radius: 4px;
}
.drama-title {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 4px;
}
.drama-genre {
  font-size: 13px;
  color: var(--ink-2);
  margin-bottom: 8px;
}
.tag-pill {
  display: inline-block;
  font-size: 12px;
  padding: 2px 10px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--brand);
}
.section-footer-link {
  text-align: right;
  margin-top: 32px;
}

/* 07 排行榜 */
.rank-list {
  display: flex;
  flex-direction: column;
}
.rank-item {
  display: flex;
  align-items: center;
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
  min-height: 88px;
}
.rank-num {
  font-size: 24px;
  font-weight: 700;
  width: 48px;
  font-variant-numeric: tabular-nums;
  color: var(--ink-2);
}
.rank-item:nth-child(-n+3) .rank-num {
  color: var(--brand);
}
.rank-cover {
  width: 56px;
  height: 75px;
  border-radius: 6px;
  object-fit: cover;
  margin-right: 20px;
}
.rank-info {
  flex: 1;
}
.rank-title {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 4px;
}
.rank-meta {
  font-size: 13px;
  color: var(--ink-2);
}
.rank-tags {
  display: flex;
  gap: 8px;
}

/* 08 精选片单 */
.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.list-card {
  background: transparent;
  display: flex;
  flex-direction: column;
}
.list-cover {
  position: relative;
  aspect-ratio: 3/4;
  border-radius: 12px;
  overflow: hidden;
  margin-bottom: 12px;
}
.list-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.list-theme {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--ink-2);
  margin-bottom: 4px;
  font-weight: 600;
}
.list-title {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 8px;
}
.list-desc {
  font-size: 14px;
  color: var(--ink-2);
  margin-bottom: 12px;
  flex-grow: 1;
}
.list-suit {
  font-size: 13px;
  color: var(--ink-2);
}
@media (max-width: 767px) {
  .grid-4 { display: flex; overflow-x: auto; scroll-snap-type: x mandatory; padding-bottom: 16px; margin: 0 -20px; padding-left: 20px; padding-right: 20px; }
  .grid-4::-webkit-scrollbar { display: none; }
  .list-card { flex: 0 0 62vw; scroll-snap-align: start; }
}

/* 09 制作流程 */
.process-flex {
  display: flex;
  gap: 40px;
  align-items: flex-start;
}
.process-left {
  flex: 1;
}
.process-left p {
  color: var(--ink-2);
  margin-bottom: 24px;
}
.process-right {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 24px;
}
.process-step {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}
.process-num {
  font-size: 28px;
  font-weight: 800;
  color: transparent;
  -webkit-text-stroke: 1.5px var(--brand);
  line-height: 1;
}
.step-content h3 {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 4px;
}
.step-content p {
  font-size: 14px;
  color: var(--ink-2);
}

/* 10 创作者 */
.creator-flex {
  display: flex;
  gap: 40px;
  align-items: center;
}
.creator-left {
  flex: 1.1;
}
.creator-left p {
  color: var(--ink-2);
  margin-bottom: 16px;
}
.creator-actions {
  display: flex;
  gap: 16px;
  margin-top: 24px;
}
.creator-right {
  flex: 1;
  background: var(--bg-alt);
  border-radius: 18px;
  padding: 28px;
}
.check-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.check-item {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 15px;
  font-weight: 500;
}
.check-item svg {
  width: 18px;
  height: 18px;
  stroke: var(--brand);
  fill: none;
  stroke-width: 2;
}

/* 11 下载 */
.download-sec {
  background: var(--bg-alt);
  border-radius: 24px;
  padding: 48px;
  display: flex;
  gap: 48px;
  align-items: center;
}
.download-left {
  flex: 1;
}
.download-left h2 {
  font-size: 28px;
  font-weight: 700;
  margin-bottom: 24px;
}
.download-left .check-list {
  margin-bottom: 32px;
}
.download-actions {
  margin-bottom: 16px;
}
.age-note {
  font-size: 12px;
  color: var(--ink-2);
}
.qr-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 16px;
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 160px;
  flex-shrink: 0;
}
.qr-card img {
  width: 128px;
  height: 128px;
  margin-bottom: 8px;
  object-fit: cover;
  border-radius: 8px;
}
.qr-card span {
  font-size: 12px;
  color: var(--ink-2);
}

/* 12 FAQ */
.faq-list {
  border-top: 1px solid var(--line);
}
.faq-item {
  border-bottom: 1px solid var(--line);
}
.faq-item summary {
  list-style: none;
  display: flex;
  align-items: center;
  padding: 20px 0;
  cursor: pointer;
  font-size: 17px;
  font-weight: 600;
}
.faq-item summary::-webkit-details-marker {
  display: none;
}
.faq-num {
  font-size: 13px;
  color: var(--ink-2);
  width: 32px;
}
.faq-question {
  flex: 1;
}
.faq-icon {
  font-size: 20px;
  color: var(--ink-2);
  transition: transform 0.2s;
}
.faq-item[open] .faq-icon {
  transform: rotate(45deg);
}
.faq-answer {
  padding-left: 32px;
  padding-bottom: 20px;
  font-size: 15px;
  color: var(--ink-2);
  line-height: 1.8;
}

/* 13 页脚 */
.footer {
  border-top: 1px solid var(--line);
  padding-top: 64px;
  padding-bottom: 64px;
  margin-bottom: 80px; /* 留出吸底条 */
}
.footer-top {
  display: flex;
  justify-content: space-between;
  gap: 40px;
  margin-bottom: 48px;
}
.footer-brand {
  flex: 1;
  max-width: 300px;
}
.footer-brand .nav-left {
  margin-bottom: 16px;
}
.footer-brand p {
  font-size: 14px;
  color: var(--ink-2);
  margin-bottom: 8px;
}
.footer-links {
  display: flex;
  gap: 64px;
}
.link-col h4 {
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 16px;
}
.link-col a {
  display: block;
  font-size: 14px;
  color: var(--ink-2);
  margin-bottom: 12px;
}
.link-col a:hover {
  color: var(--ink);
}
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-top: 1px solid var(--line);
  padding-top: 24px;
  font-size: 13px;
  color: var(--ink-2);
}
.footer-meta {
  display: flex;
  gap: 16px;
}

/* 吸底条 */
.sticky-cta {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(10px);
  padding: 12px 20px;
  padding-bottom: calc(12px + env(safe-area-inset-bottom));
  border-top: 1px solid var(--line);
  z-index: 100;
}
.sticky-cta .btn {
  width: 100%;
}

@media (max-width: 767px) {
  .nav-menu-btn { display: block; }
  .grid-3, .grid-2x2, .grid-3x2 { grid-template-columns: 1fr; }
  .process-flex, .creator-flex { flex-direction: column; }
  .download-sec { flex-direction: column; padding: 32px; text-align: center; align-items: center; }
  .download-left .check-list { align-items: flex-start; text-align: left; }
  .qr-card { width: 100%; max-width: 240px; }
  .footer-top { flex-direction: column; }
  .footer-links { flex-direction: column; gap: 32px; }
  .sticky-cta { display: block; }
  .footer-bottom { flex-direction: column; gap: 16px; text-align: center; }
  .rank-item { flex-wrap: wrap; gap: 12px; }
  .rank-tags { width: 100%; padding-left: 48px; }
}