/* MyStyle 静态站点样式 —— 紫韵 · 中式杂志风
   宣纸为底，墨字为骨，雪青点睛。零特效：无渐变、无阴影、无衬线斜体。 */

:root {
  /* 纸 */
  --paper: #FAF8F2;
  --paper-card: #FFFFFF;
  --paper-soft: #F3F0E8;
  /* 墨 */
  --ink: #292532;
  --ink-soft: #6C6678;
  --ink-faint: #ABA5B7;
  /* 青（点缀） */
  --violet: #8D7EE0;
  --violet-ink: #6D5CC6;
  --violet-wash: rgba(141, 126, 224, 0.10);
  --violet-mist: #ECE7FA;
  /* 藕荷（静态标签 / 装饰底） */
  --lianho: #B6AAC7;
  --lianho-soft: #DCD4E4;
  --lianho-wash: rgba(182, 170, 199, 0.18);
  /* 发丝线（唯一的分层手段，替代一切阴影） */
  --line: rgba(41, 37, 50, 0.14);
  --line-soft: rgba(41, 37, 50, 0.07);
  /* 字体（宋体承担情绪，黑体承担功能） */
  --serif: "Songti SC", "STSong", "Noto Serif SC", "Source Han Serif SC", serif;
  --sans: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  /* 版式 */
  --radius-sm: 6px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --max-width: 1080px;
  --header-height: 68px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--sans);
  color: var(--ink);
  background: var(--paper);
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
  text-decoration: none;
}

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

.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 32px;
}

.section {
  padding: 88px 0;
}

.section-title {
  font-size: 2rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-align: center;
  margin: 0 0 12px;
  color: var(--ink);
}

.section-subtitle {
  font-size: 1.02rem;
  text-align: center;
  color: var(--ink-soft);
  margin: 0 0 56px;
}

/* ───────── Header ───────── */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-height);
  background: rgba(250, 248, 242, 0.96);
  border-bottom: 1px solid var(--line-soft);
}

.header-inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--violet-ink);
  letter-spacing: 0.04em;
}

.logo-img {
  width: 34px;
  height: 34px;
  border-radius: var(--radius-sm);
  object-fit: cover;
  flex-shrink: 0;
}

.nav {
  display: flex;
  gap: 4px;
}

.nav-link {
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--ink-soft);
  transition: color 0.2s ease, background 0.2s ease;
}

.nav-link:hover {
  color: var(--violet-ink);
}

.nav-link.active {
  color: var(--violet-ink);
  background: var(--violet-mist);
}

.mobile-menu-btn {
  display: none;
  width: 40px;
  height: 40px;
  border: none;
  background: transparent;
  border-radius: var(--radius-sm);
  cursor: pointer;
}

.mobile-menu-btn span {
  display: block;
  width: 22px;
  height: 2px;
  margin: 5px auto;
  background: var(--ink);
}

/* ───────── Hero（杂志封面） ───────── */
.hero {
  position: relative;
  padding: 104px 0 96px;
  background: var(--paper);
  border-bottom: 1px solid var(--line-soft);
}

.hero-inner {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 64px;
  align-items: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 16px;
  background: var(--lianho-wash);
  color: var(--ink-soft);
  border-radius: var(--radius-sm);
  font-size: 0.88rem;
  letter-spacing: 0.18em;
  margin-bottom: 26px;
}

.hero-title {
  font-size: 3.4rem;
  font-weight: 700;
  line-height: 1.22;
  letter-spacing: 0.06em;
  margin: 0 0 22px;
  color: var(--ink);
}

.hero-title span {
  color: var(--violet-ink);
}

.hero-desc {
  font-size: 1.08rem;
  color: var(--ink-soft);
  margin: 0 0 34px;
  max-width: 500px;
}

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

/* 按钮 · 三态（唯一允许的紫底 = 青莲实底白字） */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 28px;
  border-radius: var(--radius-md);
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  border: 1px solid transparent;
  cursor: pointer;
  transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.btn-primary {
  background: var(--violet-ink);
  color: #fff;
}

.btn-primary:hover {
  background: var(--violet);
}

.btn-secondary {
  background: transparent;
  color: var(--violet-ink);
  border: 1px solid var(--violet);
}

.btn-secondary:hover {
  background: var(--violet-wash);
}

.btn-large {
  padding: 15px 36px;
  font-size: 1.02rem;
}

.hero-visual {
  position: relative;
  display: grid;
  place-items: center;
}

.hero-frame {
  width: 100%;
  max-width: 460px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--paper-card);
  border: 1px solid var(--line-soft);
  position: relative;
}

.hero-frame img {
  width: 100%;
  height: auto;
  display: block;
}

.hero-frame-tag {
  position: absolute;
  left: 16px;
  bottom: 16px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  background: rgba(250, 248, 242, 0.92);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--violet-ink);
}

/* ───────── Showcase ───────── */
.showcase-item {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  margin-bottom: 84px;
}

.showcase-item:last-child {
  margin-bottom: 0;
}

.showcase-item.reverse .showcase-media {
  order: 2;
}

.showcase-media img {
  width: 100%;
  border-radius: var(--radius-lg);
  border: 1px solid var(--line-soft);
}

.showcase-tag {
  display: inline-block;
  padding: 6px 16px;
  background: var(--lianho-wash);
  color: var(--ink-soft);
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  letter-spacing: 0.2em;
  margin-bottom: 18px;
}

.showcase-body h3 {
  font-size: 1.6rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  margin: 0 0 14px;
  color: var(--ink);
}

.showcase-body p {
  font-size: 1rem;
  color: var(--ink-soft);
  margin: 0;
}

.showcase-points {
  list-style: none;
  padding: 0;
  margin: 20px 0 0;
  display: grid;
  gap: 12px;
}

.showcase-points li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.95rem;
  color: var(--ink-soft);
}

.showcase-points li::before {
  content: "—";
  color: var(--violet);
  flex-shrink: 0;
}

/* ───────── 功能入口 · 图版（3 列宫格，banner 统一 7:3 比例裁切） ───────── */
.modules {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  max-width: 820px;
  margin: 0 auto;
}

.plate {
  display: block;
}

.plate__img-wrap {
  position: relative;
  aspect-ratio: 7 / 3;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--paper-soft);
}

/* 统一 7:3 比例裁切：各 banner 原图均约 2.34:1，裁切量极小，保证尺寸一致、布局整齐 */
.plate__img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.plate__foot {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 4px 0;
}

.plate__desc {
  font-size: 0.95rem;
  color: var(--ink-soft);
  letter-spacing: 0.04em;
}

.plate__arrow {
  font-size: 0.95rem;
  color: var(--violet-ink);
  letter-spacing: 0.08em;
  white-space: nowrap;
}

/* ───────── Highlights ───────── */
.highlights {
  background: var(--paper-soft);
  border-top: 1px solid var(--line-soft);
  border-bottom: 1px solid var(--line-soft);
}

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

.highlight-item {
  background: var(--paper-card);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-lg);
  padding: 34px;
}

.highlight-title {
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  margin: 0 0 8px;
}

.highlight-text {
  font-size: 0.95rem;
  color: var(--ink-soft);
  margin: 0;
}

/* ───────── 子页面 Hero ───────── */
.page-hero {
  padding: 80px 0 64px;
  background: var(--paper);
  border-bottom: 1px solid var(--line-soft);
  text-align: center;
}

.page-hero .section-title {
  margin-bottom: 12px;
}

.page-hero .section-subtitle {
  margin-bottom: 0;
}

/* ───────── 卡片网格 ───────── */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 28px;
}

.info-card {
  background: var(--paper-card);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-lg);
  padding: 36px;
  text-align: center;
}

.info-card h3 {
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  margin: 0 0 10px;
}

.info-card p {
  font-size: 0.95rem;
  color: var(--ink-soft);
  margin: 0 0 20px;
}

.qr-placeholder,
.qr-image {
  width: 180px;
  height: 180px;
  margin: 0 auto 20px;
  border-radius: var(--radius-md);
  display: block;
  border: 1px solid var(--line-soft);
}

.qr-placeholder {
  background: var(--paper-soft);
  display: grid;
  place-items: center;
  color: var(--ink-faint);
  font-size: 0.9rem;
}

.qr-image {
  object-fit: cover;
}

.account-id {
  display: inline-block;
  padding: 8px 16px;
  background: var(--lianho-wash);
  color: var(--ink-soft);
  border-radius: var(--radius-sm);
  font-size: 0.92rem;
  letter-spacing: 0.06em;
}

/* ───────── 下载按钮 ───────── */
.download-options {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 14px;
  margin-top: 24px;
  width: 100%;
  max-width: 240px;
  margin-left: auto;
  margin-right: auto;
}

.store-badge,
.store-btn {
  width: 100%;
  box-sizing: border-box;
}

.store-badge {
  display: block;
  height: auto;
  overflow: hidden;
  border-radius: var(--radius-md);
  border: 1px solid var(--line-soft);
  transition: border-color 0.2s ease;
}

.store-badge img {
  display: block;
  width: 100%;
  height: auto;
}

.store-badge:hover {
  border-color: var(--line);
}

.store-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 56px;
  padding: 0 24px;
  border-radius: var(--radius-md);
  background: var(--violet-ink);
  color: #fff;
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  cursor: default;
}

.store-btn-icon {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
}

.store-btn.disabled {
  opacity: 0.7;
  cursor: not-allowed;
}

/* ───────── Contact ───────── */
.contact-list {
  max-width: 720px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 18px;
  background: var(--paper-card);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-lg);
  padding: 26px 28px;
}

.contact-icon {
  width: 46px;
  height: 46px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  color: var(--violet-ink);
  font-size: 1.2rem;
  display: grid;
  place-items: center;
  flex-shrink: 0;
}

.contact-body h4 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--ink-soft);
  margin: 0 0 4px;
}

.contact-body p {
  font-size: 1.1rem;
  margin: 0;
  color: var(--ink);
}

.contact-body a {
  color: var(--violet-ink);
}

/* ───────── Footer ───────── */
.footer {
  background: var(--paper);
  border-top: 1px solid var(--line-soft);
  padding: 56px 0 32px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr repeat(3, 1fr);
  gap: 40px;
  margin-bottom: 40px;
}

.footer-brand {
  max-width: 260px;
}

.footer-brand .logo {
  margin-bottom: 14px;
}

.footer-brand p {
  font-size: 0.92rem;
  color: var(--ink-soft);
  margin: 0;
}

.footer-col h4 {
  font-size: 0.98rem;
  font-weight: 700;
  margin: 0 0 16px;
  color: var(--ink);
}

.footer-col ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-col li {
  margin-bottom: 10px;
}

.footer-col a {
  font-size: 0.92rem;
  color: var(--ink-soft);
  transition: color 0.2s ease;
}

.footer-col a:hover {
  color: var(--violet-ink);
}

.footer-bottom {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  padding-top: 28px;
  border-top: 1px solid var(--line-soft);
  font-size: 0.85rem;
  color: var(--ink-faint);
  text-align: center;
}

.footer-bottom a {
  color: var(--ink-faint);
}

.footer-bottom a:hover {
  color: var(--violet-ink);
}

.footer-bottom .filing-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 6px 10px;
}

.footer-bottom .filing-links span {
  color: var(--ink-faint);
}

/* ───────── Responsive ───────── */
@media (max-width: 960px) {
  .hero-inner {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 48px;
  }

  .hero-desc {
    margin-left: auto;
    margin-right: auto;
  }

  .hero-actions {
    justify-content: center;
  }

  .hero-visual {
    order: -1;
  }

  .hero-frame {
    max-width: 480px;
  }

  .showcase-item,
  .showcase-item.reverse {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .showcase-item.reverse .showcase-media {
    order: 0;
  }

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

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

@media (max-width: 720px) {
  .header {
    --header-height: 64px;
  }

  .nav {
    display: none;
    position: absolute;
    top: var(--header-height);
    left: 0;
    right: 0;
    flex-direction: column;
    background: var(--paper);
    padding: 16px 24px;
    gap: 4px;
    border-bottom: 1px solid var(--line-soft);
  }

  .nav.open {
    display: flex;
  }

  .nav-link {
    padding: 12px 16px;
  }

  .mobile-menu-btn {
    display: block;
  }

  .hero {
    padding: 64px 0 60px;
  }

  .hero-title {
    font-size: 2.3rem;
  }

  .section {
    padding: 60px 0;
  }

  .section-title {
    font-size: 1.6rem;
  }

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

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

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }
}