/* ==========================================
   宋硕芯 · 个人公众号官网样式
   ========================================== */

:root {
  --bg: #faf8f4;
  --bg-alt: #f1ede4;
  --card: #ffffff;
  --ink: #23211d;
  --muted: #8b857a;
  --line: #e7e2d6;
  --green: #07c160;
  --green-dark: #05994d;
  --green-deep: #0b3d2e;
  --serif: "Songti SC", "Noto Serif SC", "STSong", "SimSun", serif;
  --sans: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB",
    "Microsoft YaHei", sans-serif;
  --radius: 16px;
  --shadow: 0 8px 30px rgba(35, 33, 29, 0.08);
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--sans);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }

.container {
  width: min(1120px, 92%);
  margin: 0 auto;
}

/* ---------- 导航栏 ---------- */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(250, 248, 244, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
  transition: box-shadow 0.3s ease;
}

.site-header.scrolled { box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06); }

.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.brand { display: flex; align-items: center; gap: 10px; }

.brand-mark {
  width: 34px; height: 34px;
  display: grid; place-items: center;
  background: var(--green-deep);
  color: #fff;
  border-radius: 9px;
  font-family: var(--serif);
  font-size: 18px;
}

.brand-name {
  font-family: var(--serif);
  font-size: 19px;
  font-weight: 700;
  letter-spacing: 2px;
}

.main-nav { display: flex; gap: 32px; }

.main-nav a {
  font-size: 15px;
  color: var(--muted);
  position: relative;
  transition: color 0.25s;
  padding: 4px 0;
}

.main-nav a::after {
  content: "";
  position: absolute;
  left: 0; bottom: -2px;
  width: 0; height: 2px;
  background: var(--green);
  transition: width 0.25s;
}

.main-nav a:hover, .main-nav a.active { color: var(--ink); }
.main-nav a:hover::after, .main-nav a.active::after { width: 100%; }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: 0;
  cursor: pointer;
  padding: 8px;
}

.nav-toggle span {
  width: 22px; height: 2px;
  background: var(--ink);
  border-radius: 2px;
  transition: 0.3s;
}

.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  min-height: 88vh;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background-image: url("../images/user-hero.jpg");
  background-size: cover;
  background-position: center 45%;
  transform: scale(1.05);
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    120deg,
    rgba(11, 61, 46, 0.92) 0%,
    rgba(11, 61, 46, 0.72) 45%,
    rgba(11, 61, 46, 0.45) 100%
  );
}

.hero-content {
  position: relative;
  z-index: 2;
  color: #fff;
  padding-top: 64px;
}

.hero-eyebrow {
  letter-spacing: 4px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.75);
  margin-bottom: 18px;
  text-transform: uppercase;
}

.hero-title {
  font-family: var(--serif);
  font-size: clamp(44px, 8vw, 76px);
  letter-spacing: 12px;
  line-height: 1.15;
  margin-bottom: 20px;
  text-shadow: 0 2px 20px rgba(0, 0, 0, 0.25);
}

.hero-subtitle {
  font-size: clamp(15px, 2.2vw, 18px);
  color: rgba(255, 255, 255, 0.85);
  max-width: 520px;
  margin-bottom: 36px;
}

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

/* ---------- 按钮 ---------- */
.btn {
  display: inline-block;
  padding: 12px 28px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  border: 0;
  transition: transform 0.25s, box-shadow 0.25s, background 0.25s;
  font-family: var(--sans);
}

.btn-primary {
  background: var(--green);
  color: #fff;
  box-shadow: 0 6px 18px rgba(7, 193, 96, 0.35);
}

.btn-primary:hover { background: var(--green-dark); transform: translateY(-2px); }

.btn-ghost {
  background: rgba(255, 255, 255, 0.12);
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.5);
}

.btn-ghost:hover { background: rgba(255, 255, 255, 0.22); transform: translateY(-2px); }

/* ---------- 通用区块 ---------- */
.section { padding: 90px 0; }
.section-alt { background: var(--bg-alt); }

.section-head { text-align: center; max-width: 640px; margin: 0 auto 54px; }

.section-tag {
  display: inline-block;
  font-size: 12px;
  letter-spacing: 3px;
  color: var(--green-dark);
  font-weight: 700;
  margin-bottom: 12px;
}

.section-title {
  font-family: var(--serif);
  font-size: clamp(26px, 4vw, 36px);
  margin-bottom: 14px;
  letter-spacing: 2px;
}

.section-desc { color: var(--muted); font-size: 15px; }

/* ---------- 文章卡片 ---------- */
.articles-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.card {
  background: var(--card);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card:hover { transform: translateY(-6px); box-shadow: 0 16px 40px rgba(35, 33, 29, 0.14); }

.card-cover {
  position: relative;
  display: block;
  aspect-ratio: 4 / 3;
  overflow: hidden;
}

.card-cover img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.card:hover .card-cover img { transform: scale(1.06); }

.card-cat {
  position: absolute;
  top: 14px; left: 14px;
  background: rgba(7, 193, 96, 0.92);
  color: #fff;
  font-size: 12px;
  padding: 4px 12px;
  border-radius: 999px;
  letter-spacing: 1px;
}

.card-body { padding: 22px 24px 26px; }

.card-date { font-size: 13px; color: var(--muted); }

.card-title {
  font-family: var(--serif);
  font-size: 20px;
  line-height: 1.5;
  margin: 8px 0 10px;
}

.card-title a:hover { color: var(--green-dark); }

.card-excerpt {
  font-size: 14px;
  color: var(--muted);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: 16px;
}

.card-more {
  font-size: 14px;
  font-weight: 600;
  color: var(--green-dark);
}

.card-more:hover { color: var(--green); }

/* ---------- 关于 ---------- */
.about-wrap {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 60px;
  align-items: center;
}

.about-text p { color: var(--muted); margin-bottom: 16px; font-size: 15px; }

.about-list li {
  padding: 12px 0;
  border-bottom: 1px dashed var(--line);
  font-size: 15px;
}

.about-list li b { color: var(--ink); margin-right: 8px; font-family: var(--serif); font-size: 16px; }

.about-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}

.stat {
  background: var(--card);
  border-radius: var(--radius);
  padding: 26px 10px;
  text-align: center;
  box-shadow: var(--shadow);
}

.stat b {
  display: block;
  font-family: var(--serif);
  font-size: 28px;
  color: var(--green-dark);
}

.stat span { font-size: 13px; color: var(--muted); }

/* ---------- 创作空间（视频号 + 抖音） ---------- */
.creations-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
  max-width: 900px;
  margin: 0 auto;
}

.video-card {
  display: flex;
  flex-direction: column;
  text-align: center;
  background: var(--card);
  border-radius: 24px;
  padding: 46px 40px;
  box-shadow: var(--shadow);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.video-card:hover { transform: translateY(-6px); box-shadow: 0 16px 40px rgba(35, 33, 29, 0.14); }

.video-card .btn { margin-top: auto; }

.video-badge {
  display: inline-block;
  background: var(--green-deep);
  color: #fff;
  font-size: 12px;
  letter-spacing: 1px;
  padding: 5px 16px;
  border-radius: 999px;
  margin-bottom: 16px;
}

.video-name {
  font-family: var(--serif);
  font-size: 28px;
  margin-bottom: 10px;
  letter-spacing: 2px;
}

.video-desc {
  color: var(--muted);
  font-size: 15px;
  margin-bottom: 26px;
}

.about-fav {
  display: flex;
  align-items: center;
  gap: 14px;
  font-size: 14px;
  background: rgba(7, 193, 96, 0.08);
  border-radius: 12px;
  padding: 14px 16px;
}

.fav-avatar {
  width: 56px; height: 56px;
  border-radius: 50%;
  object-fit: cover;
  flex-shrink: 0;
  border: 2px solid #fff;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.12);
}

.fav-text p { margin: 0; }

.fav-links { margin-top: 6px; }

.mi-link {
  color: var(--green-dark);
  font-weight: 600;
  margin-right: 12px;
}

.mi-link:hover { color: var(--green); text-decoration: underline; }

/* 创作空间内的视频列表（2×2 点阵） */
.video-list {
  margin: 22px 0 26px;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  text-align: left;
}

.video-item {
  display: block;
  background: var(--bg);
  border-radius: 14px;
  padding: 10px;
  transition: transform 0.25s, box-shadow 0.25s;
}

.video-item:hover { transform: translateY(-2px); box-shadow: 0 8px 20px rgba(35, 33, 29, 0.12); }

.video-item img {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  border-radius: 10px;
  display: block;
}

.video-item-info { padding: 8px 4px 2px; }

.video-item-info b {
  display: block;
  font-size: 13.5px;
  line-height: 1.4;
  margin-bottom: 2px;
}

.video-item-info span {
  font-size: 11.5px;
  color: var(--muted);
}

/* 抖音卡片头部 */
.dy-head {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  margin-bottom: 10px;
  text-align: left;
}

.dy-avatar {
  width: 68px; height: 68px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--line);
}

.dy-meta .video-name { margin-bottom: 2px; font-size: 24px; }
.dy-meta p { font-size: 13px; color: var(--muted); margin: 0; }

/* 学校信息行 */
.about-fav + .about-fav { margin-top: 12px; }

/* 16:9 / 宽屏横屏适配 */
@media (min-aspect-ratio: 13/9) {
  .hero { min-height: 78vh; }
  .section { padding: 64px 0; }
  .creations-grid { max-width: 1060px; }
  .follow-card { padding: 44px 52px; gap: 44px; }
}

@media (max-height: 620px) {
  .hero { min-height: 76vh; }
  .hero-title { font-size: clamp(36px, 7vh, 60px); letter-spacing: 8px; }
  .hero-subtitle { margin-bottom: 24px; }
  .section { padding: 48px 0; }
}

/* ---------- 二维码弹窗 ---------- */
.modal {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  visibility: hidden;
  opacity: 0;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}

.modal.show { visibility: visible; opacity: 1; }

.modal-mask {
  position: absolute;
  inset: 0;
  background: rgba(11, 61, 46, 0.6);
}

.modal-box {
  position: relative;
  background: #fff;
  border-radius: 20px;
  padding: 30px 32px 26px;
  text-align: center;
  width: min(340px, 90vw);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.35);
  transform: translateY(16px);
  transition: transform 0.3s ease;
}

.modal.show .modal-box { transform: translateY(0); }

.modal-close {
  position: absolute;
  top: 10px;
  right: 14px;
  background: none;
  border: 0;
  font-size: 26px;
  color: #999;
  cursor: pointer;
  line-height: 1;
}

.modal-close:hover { color: var(--ink); }

.modal-title {
  font-family: var(--serif);
  font-size: 18px;
  margin-bottom: 4px;
}

.modal-qr {
  width: 220px;
  height: 220px;
  object-fit: contain;
  border-radius: 10px;
  margin: 14px auto;
  display: block;
}

.modal-tip {
  font-size: 13px;
  color: var(--muted);
}

/* ---------- 关注区 ---------- */
.follow-card {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 52px;
  align-items: center;
  background: var(--green-deep);
  color: #fff;
  border-radius: 24px;
  padding: 52px 60px;
  box-shadow: 0 20px 50px rgba(11, 61, 46, 0.3);
}

.follow-qr { text-align: center; }

.qr-svg {
  width: 180px; height: 180px;
  border-radius: 12px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
}

.qr-tip { margin-top: 14px; font-size: 13px; color: rgba(255, 255, 255, 0.7); }

.follow-info .section-tag { color: var(--green); }
.follow-info .section-title { margin-bottom: 14px; }

.follow-desc { color: rgba(255, 255, 255, 0.75); font-size: 15px; margin-bottom: 24px; }

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

.copy-tip { color: var(--green); font-size: 14px; opacity: 0; transition: opacity 0.3s; }
.copy-tip.show { opacity: 1; }

/* ---------- 页脚 ---------- */
.site-footer {
  border-top: 1px solid var(--line);
  padding: 34px 0;
}

.footer-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  font-size: 13px;
  color: var(--muted);
}

.footer-links { display: flex; gap: 10px; }
.footer-links a:hover { color: var(--ink); }

/* ---------- 回到顶部 ---------- */
.to-top {
  position: fixed;
  right: 26px; bottom: 26px;
  width: 44px; height: 44px;
  border-radius: 50%;
  border: 0;
  background: var(--green-deep);
  color: #fff;
  font-size: 18px;
  cursor: pointer;
  box-shadow: 0 6px 18px rgba(11, 61, 46, 0.35);
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: 0.3s;
  z-index: 90;
}

.to-top.show { opacity: 1; visibility: visible; transform: translateY(0); }
.to-top:hover { background: var(--green); }

/* ---------- 文章详情页 ---------- */
.article-hero {
  min-height: 46vh;
  position: relative;
  display: flex;
  align-items: flex-end;
  padding: 120px 0 56px;
  overflow: hidden;
}

.article-hero .hero-bg { background-position: center 40%; }

.article-hero-content { position: relative; z-index: 2; color: #fff; }

.article-cat {
  display: inline-block;
  background: var(--green);
  color: #fff;
  font-size: 12px;
  letter-spacing: 1px;
  padding: 4px 14px;
  border-radius: 999px;
  margin-bottom: 16px;
}

.article-title {
  font-family: var(--serif);
  font-size: clamp(26px, 4.5vw, 40px);
  line-height: 1.4;
  letter-spacing: 1px;
  max-width: 760px;
}

.article-meta { margin-top: 16px; font-size: 14px; color: rgba(255, 255, 255, 0.75); }

.article-body {
  max-width: 720px;
  margin: 0 auto;
  padding: 48px 0 20px;
  font-size: 16px;
}

.article-body p { margin-bottom: 22px; color: #3d3a33; }

.article-body h2 {
  font-family: var(--serif);
  font-size: 22px;
  margin: 40px 0 16px;
  padding-left: 14px;
  border-left: 4px solid var(--green);
}

.article-body blockquote {
  border-left: 3px solid var(--line);
  padding: 4px 0 4px 20px;
  color: var(--muted);
  font-style: italic;
  margin: 24px 0;
}

.article-body img {
  border-radius: var(--radius);
  margin: 28px 0;
  box-shadow: var(--shadow);
}

.article-end {
  text-align: center;
  margin: 44px 0 60px;
  color: var(--muted);
  font-size: 14px;
}

.article-end::before {
  content: "· · ·";
  display: block;
  letter-spacing: 8px;
  margin-bottom: 14px;
}

.article-nav {
  max-width: 720px;
  margin: 0 auto 80px;
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
}

.article-nav a {
  flex: 1;
  min-width: 220px;
  background: var(--card);
  border-radius: var(--radius);
  padding: 20px 24px;
  box-shadow: var(--shadow);
  transition: transform 0.25s;
}

.article-nav a:hover { transform: translateY(-3px); }
.article-nav .nav-label { font-size: 12px; color: var(--muted); display: block; margin-bottom: 4px; }
.article-nav .nav-title { font-family: var(--serif); font-size: 15px; }
.article-nav a.next { text-align: right; }

/* ---------- 滚动显现动画 ---------- */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.visible { opacity: 1; transform: translateY(0); }

/* ---------- 响应式 ---------- */
@media (max-width: 900px) {
  .articles-grid { grid-template-columns: repeat(2, 1fr); }
  .about-wrap { grid-template-columns: 1fr; gap: 40px; }
  .follow-card { grid-template-columns: 1fr; text-align: center; padding: 44px 32px; gap: 32px; }
  .follow-actions { justify-content: center; }
  .hero { min-height: 72vh; }
}

@media (max-width: 620px) {
  .nav-toggle { display: flex; }

  .main-nav {
    position: fixed;
    top: 64px; left: 0; right: 0;
    background: var(--bg);
    border-bottom: 1px solid var(--line);
    flex-direction: column;
    gap: 0;
    padding: 10px 8%;
    transform: translateY(-120%);
    transition: transform 0.35s ease;
    box-shadow: 0 20px 30px rgba(0, 0, 0, 0.06);
  }

  .main-nav.open { transform: translateY(0); }

  .main-nav a { padding: 14px 0; border-bottom: 1px solid var(--line); }
  .main-nav a::after { display: none; }

  .articles-grid { grid-template-columns: 1fr; }
  .creations-grid { grid-template-columns: 1fr; }
  .section { padding: 64px 0; }
  .hero-title { letter-spacing: 6px; }
  .about-stats { grid-template-columns: repeat(3, 1fr); gap: 8px; }
  .stat { padding: 18px 6px; }
  .stat b { font-size: 22px; }
  .qr-svg { width: 150px; height: 150px; }
  .footer-wrap { justify-content: center; text-align: center; }
}

/* ---------- 应用入口（两个独立程序） ---------- */
.apps-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  max-width: 900px;
  margin: 0 auto;
}

.app-card {
  display: flex;
  flex-direction: column;
  gap: 12px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 30px 28px;
  box-shadow: var(--shadow);
  transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}

.app-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 40px rgba(35, 33, 29, 0.14);
  border-color: #d9d2c1;
}

.app-icon {
  width: 54px;
  height: 54px;
  border-radius: 15px;
  display: grid;
  place-items: center;
  color: #fff;
  font-family: var(--serif);
  font-size: 25px;
}

.app-icon-pub { background: linear-gradient(135deg, #0b3d2e, #07c160); }
.app-icon-mat { background: linear-gradient(135deg, #6d4a1f, #c8913f); }

.app-card h3 { font-family: var(--serif); font-size: 21px; letter-spacing: 0.5px; }
.app-card p { color: var(--muted); font-size: 14.5px; line-height: 1.8; margin: 0; }
.app-card .app-meta { font-size: 12.5px; letter-spacing: 1.5px; color: #a89f8c; }
.app-card .app-enter { margin-top: auto; padding-top: 6px; color: var(--green-dark); font-weight: 600; font-size: 14px; }

@media (max-width: 820px) {
  .apps-grid { grid-template-columns: 1fr; }
}


/* 应用区块底部安全提示 */
.apps-security-note {
  margin-top: 2rem;
  text-align: center;
  font-size: 0.9rem;
  line-height: 1.8;
  color: var(--text-soft, #8b93a7);
}
.apps-security-note a {
  color: var(--accent, #4f8cff);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: opacity .2s ease;
}
.apps-security-note a:hover { opacity: .75; }


/* ---------- 安全防护卡片 ---------- */
.security-card {
  position: relative;
  display: flex;
  align-items: center;
  gap: 26px;
  margin-top: 22px;
  padding: 28px 30px;
  border-radius: var(--radius);
  background: linear-gradient(135deg, #0b3d2e 0%, #0f5a40 55%, #11724f 100%);
  color: #f3fff9;
  box-shadow: 0 14px 40px rgba(11, 61, 46, 0.26);
  overflow: hidden;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.security-card::before {
  content: "";
  position: absolute;
  right: -70px;
  top: -70px;
  width: 240px;
  height: 240px;
  background: radial-gradient(circle, rgba(7, 193, 96, 0.4), transparent 68%);
  pointer-events: none;
}
.security-card::after {
  content: "";
  position: absolute;
  left: 12%;
  bottom: -90px;
  width: 200px;
  height: 200px;
  background: radial-gradient(circle, rgba(74, 222, 128, 0.16), transparent 70%);
  pointer-events: none;
}
.security-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 22px 54px rgba(11, 61, 46, 0.34);
}
.security-glyph {
  flex: 0 0 auto;
  width: 64px;
  height: 64px;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: inset 0 0 20px rgba(74, 222, 128, 0.12);
}
.security-glyph svg {
  width: 30px;
  height: 30px;
  stroke: #4ade80;
}
.security-body { flex: 1; min-width: 0; position: relative; z-index: 1; }
.security-tag {
  display: inline-block;
  font-size: 0.66rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: #86efac;
  margin-bottom: 5px;
}
.security-body h3 {
  font-size: 1.16rem;
  color: #ffffff;
  margin-bottom: 6px;
  letter-spacing: 0.02em;
}
.security-body p {
  font-size: 0.9rem;
  color: rgba(243, 255, 249, 0.76);
  line-height: 1.7;
}
.security-points {
  display: flex;
  flex-wrap: wrap;
  gap: 7px 18px;
  margin-top: 12px;
  font-size: 0.82rem;
  color: rgba(243, 255, 249, 0.86);
}
.security-points li {
  display: flex;
  align-items: center;
  gap: 6px;
}
.security-points li::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #4ade80;
  box-shadow: 0 0 8px rgba(74, 222, 128, 0.75);
}
.security-cta {
  position: relative;
  z-index: 1;
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 11px 20px;
  border-radius: 999px;
  background: #07c160;
  color: #06281c;
  font-size: 0.88rem;
  font-weight: 600;
  white-space: nowrap;
  box-shadow: 0 6px 18px rgba(7, 193, 96, 0.32);
  transition: background 0.25s ease, transform 0.25s ease;
}
.security-card:hover .security-cta {
  background: #22d977;
  transform: translateX(2px);
}
@media (max-width: 760px) {
  .security-card {
    flex-direction: column;
    align-items: flex-start;
    gap: 18px;
    padding: 26px 22px;
  }
  .security-cta { align-self: flex-start; }
}

/* 手机端细化 */
@media (max-width: 480px) {
  .security-card {
    padding: 22px 18px;
    gap: 14px;
  }
  .security-glyph {
    width: 52px;
    height: 52px;
    border-radius: 13px;
  }
  .security-glyph svg { width: 25px; height: 25px; }
  .security-body h3 { font-size: 1.05rem; }
  .security-body p { font-size: 0.86rem; }
  .security-points {
    font-size: 0.78rem;
    gap: 6px 12px;
  }
  .security-cta {
    width: 100%;
    justify-content: center;
    padding: 11px 18px;
  }
  .security-card::before,
  .security-card::after { display: none; }
}