/* ========================================================================
   国药健康养老有限公司 — 全局样式
   设计语言：编辑式杂志 + 东方写意
   ======================================================================== */

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

html,
body {
  margin: 0;
  padding: 0;
}

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

button {
  font: inherit;
  cursor: pointer;
  border: 0;
  background: transparent;
  color: inherit;
}

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

ul,
ol {
  margin: 0;
  padding: 0;
  list-style: none;
}

p {
  margin: 0;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  margin: 0;
  font-weight: 600;
  letter-spacing: 0.01em;
}

/* ------------------------------ 设计变量 ------------------------------ */
:root {
  /* 色彩 */
  --c-ink: #1f1b16;
  --c-ink-soft: #3a342c;
  --c-muted: #6b6358;
  --c-muted-2: #8a8175;
  --c-line: #e8dfd0;
  --c-line-soft: #f0e9dc;
  --c-paper: #fbf7f0;
  --c-paper-2: #f5efe6;
  --c-paper-3: #ede4d3;
  --c-accent: #9b2c2c;
  --c-accent-2: #b9413a;
  --c-accent-soft: #c46a64;
  --c-gold: #b08d57;
  --c-gold-soft: #d4b988;
  --c-jade: #5e7a64;
  --c-bg-deep: #1a1612;

  /* 字体 */
  --f-serif: "Noto Serif SC", "Source Han Serif SC", "Songti SC", "SimSun",
    "STSong", serif;
  --f-sans: "Noto Sans SC", "Source Han Sans SC", "PingFang SC",
    "Microsoft YaHei", system-ui, sans-serif;

  /* 间距 */
  --s-1: 4px;
  --s-2: 8px;
  --s-3: 12px;
  --s-4: 16px;
  --s-5: 20px;
  --s-6: 24px;
  --s-8: 32px;
  --s-10: 40px;
  --s-12: 48px;
  --s-16: 64px;
  --s-20: 80px;
  --s-24: 96px;

  /* 圆角 */
  --r-1: 2px;
  --r-2: 4px;
  --r-3: 8px;
  --r-pill: 999px;

  /* 阴影 */
  --sh-1: 0 1px 2px rgba(31, 27, 22, 0.04),
    0 1px 4px rgba(31, 27, 22, 0.04);
  --sh-2: 0 2px 6px rgba(31, 27, 22, 0.06),
    0 8px 24px rgba(31, 27, 22, 0.06);
  --sh-3: 0 4px 12px rgba(31, 27, 22, 0.08),
    0 20px 48px rgba(31, 27, 22, 0.12);

  /* 容器 */
  --container: 1240px;
  --container-narrow: 880px;
  --container-reading: 720px;
}

/* ------------------------------ 全局基础 ------------------------------ */
body {
  font-family: var(--f-sans);
  font-size: 16px;
  line-height: 1.7;
  color: var(--c-ink);
  background: var(--c-paper);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

.font-serif {
  font-family: var(--f-serif);
}

.font-sans {
  font-family: var(--f-sans);
}

/* 选区颜色 */
::selection {
  background: var(--c-accent);
  color: var(--c-paper);
}

/* 滚动条（仅 webkit） */
::-webkit-scrollbar {
  width: 10px;
  height: 10px;
}
::-webkit-scrollbar-track {
  background: var(--c-paper-2);
}
::-webkit-scrollbar-thumb {
  background: var(--c-paper-3);
  border-radius: 8px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--c-gold-soft);
}

/* ------------------------------ 通用容器 ------------------------------ */
.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--s-6);
}
.container--narrow {
  max-width: var(--container-narrow);
}
.container--reading {
  max-width: var(--container-reading);
}

/* ------------------------------ 顶部导航 ------------------------------ */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(251, 247, 240, 0.88);
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid var(--c-line);
}
.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
}
.brand {
  display: flex;
  align-items: center;
  gap: var(--s-3);
}
.brand__mark {
  width: 40px;
  height: 40px;
  border-radius: var(--r-2);
  background: var(--c-accent);
  color: var(--c-paper);
  display: grid;
  place-items: center;
  font-family: var(--f-serif);
  font-weight: 700;
  font-size: 18px;
  letter-spacing: -0.02em;
  position: relative;
  overflow: hidden;
}
.brand__mark::after {
  content: "";
  position: absolute;
  inset: 3px;
  border: 1px solid rgba(255, 255, 255, 0.35);
  border-radius: 1px;
}
.brand__name {
  font-family: var(--f-serif);
  font-size: 18px;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--c-ink);
  line-height: 1.2;
}
.brand__name small {
  display: block;
  font-family: var(--f-sans);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.32em;
  color: var(--c-muted);
  text-transform: uppercase;
  margin-top: 2px;
}
.nav__list {
  display: flex;
  align-items: center;
  gap: var(--s-8);
}
.nav__link {
  position: relative;
  font-size: 15px;
  font-weight: 500;
  color: var(--c-ink-soft);
  padding: var(--s-2) 0;
  transition: color 0.2s ease;
}
.nav__link:hover {
  color: var(--c-accent);
}
.nav__link.is-active {
  color: var(--c-accent);
}
.nav__link.is-active::after {
  content: "";
  position: absolute;
  bottom: -4px;
  left: 50%;
  transform: translateX(-50%);
  width: 24px;
  height: 2px;
  background: var(--c-accent);
}
.nav__cta {
  display: inline-flex;
  align-items: center;
  gap: var(--s-2);
  padding: 10px 18px;
  font-size: 14px;
  font-weight: 600;
  color: var(--c-paper);
  background: var(--c-ink);
  border-radius: var(--r-2);
  transition: transform 0.2s ease, background 0.2s ease;
}
.nav__cta:hover {
  background: var(--c-accent);
  transform: translateY(-1px);
}

.nav__toggle {
  display: none;
  width: 40px;
  height: 40px;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--c-line);
  border-radius: var(--r-2);
}

/* ------------------------------ 按钮 ------------------------------ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--s-2);
  padding: 12px 22px;
  font-size: 15px;
  font-weight: 600;
  border-radius: var(--r-2);
  transition: all 0.2s ease;
  white-space: nowrap;
  letter-spacing: 0.02em;
}
.btn--primary {
  background: var(--c-accent);
  color: var(--c-paper);
}
.btn--primary:hover {
  background: var(--c-accent-2);
  transform: translateY(-1px);
  box-shadow: 0 6px 16px rgba(155, 44, 44, 0.25);
}
.btn--ink {
  background: var(--c-ink);
  color: var(--c-paper);
}
.btn--ink:hover {
  background: var(--c-ink-soft);
  transform: translateY(-1px);
}
.btn--ghost {
  background: transparent;
  color: var(--c-ink);
  border: 1px solid var(--c-ink);
}
.btn--ghost:hover {
  background: var(--c-ink);
  color: var(--c-paper);
}
.btn--gold {
  background: var(--c-gold);
  color: var(--c-paper);
}
.btn--gold:hover {
  background: #9c7a48;
  transform: translateY(-1px);
}
.btn--lg {
  padding: 16px 32px;
  font-size: 16px;
}
.btn .arrow {
  transition: transform 0.2s ease;
}
.btn:hover .arrow {
  transform: translateX(4px);
}

/* ------------------------------ 首页 Hero ------------------------------ */
.hero {
  position: relative;
  padding: var(--s-24) 0 var(--s-20);
  background: linear-gradient(180deg, var(--c-paper) 0%, var(--c-paper-2) 100%);
  overflow: hidden;
}
.hero::before {
  content: "";
  position: absolute;
  top: 12%;
  right: -120px;
  width: 480px;
  height: 480px;
  border-radius: 50%;
  background: radial-gradient(
    circle,
    rgba(176, 141, 87, 0.12) 0%,
    transparent 70%
  );
  pointer-events: none;
}
.hero::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(
    90deg,
    transparent 0%,
    var(--c-gold-soft) 50%,
    transparent 100%
  );
}
.hero__inner {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: var(--s-16);
  align-items: center;
  position: relative;
  z-index: 1;
}
.hero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--s-2);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--c-accent);
  margin-bottom: var(--s-6);
}
.hero__eyebrow::before {
  content: "";
  width: 32px;
  height: 1px;
  background: var(--c-accent);
}
.hero__title {
  font-family: var(--f-serif);
  font-size: 68px;
  font-weight: 600;
  line-height: 1.1;
  letter-spacing: -0.01em;
  color: var(--c-ink);
  margin-bottom: var(--s-6);
}
.hero__title em {
  font-style: normal;
  color: var(--c-accent);
  position: relative;
}
.hero__title em::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 6px;
  height: 10px;
  background: rgba(155, 44, 44, 0.1);
  z-index: -1;
}
.hero__desc {
  font-size: 17px;
  line-height: 1.85;
  color: var(--c-ink-soft);
  max-width: 520px;
  margin-bottom: var(--s-10);
}
.hero__actions {
  display: flex;
  gap: var(--s-4);
  margin-bottom: var(--s-12);
}
.hero__stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--s-8);
  padding-top: var(--s-8);
  border-top: 1px solid var(--c-line);
}
.hero__stat-num {
  font-family: var(--f-serif);
  font-size: 36px;
  font-weight: 600;
  color: var(--c-accent);
  line-height: 1;
  margin-bottom: var(--s-2);
}
.hero__stat-label {
  font-size: 13px;
  color: var(--c-muted);
  letter-spacing: 0.04em;
}

/* Hero 视觉 */
.hero__visual {
  position: relative;
  aspect-ratio: 4 / 5;
  border-radius: var(--r-3);
  overflow: hidden;
  box-shadow: var(--sh-3);
}
.hero__visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.hero__visual-tag {
  position: absolute;
  bottom: var(--s-6);
  left: var(--s-6);
  right: var(--s-6);
  padding: var(--s-5) var(--s-6);
  background: rgba(31, 27, 22, 0.78);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-radius: var(--r-2);
  color: var(--c-paper);
}
.hero__visual-tag-title {
  font-family: var(--f-serif);
  font-size: 18px;
  margin-bottom: var(--s-2);
}
.hero__visual-tag-meta {
  font-size: 12px;
  color: var(--c-paper-3);
  letter-spacing: 0.06em;
}
.hero__seal {
  position: absolute;
  top: var(--s-6);
  right: var(--s-6);
  width: 72px;
  height: 72px;
  background: var(--c-accent);
  color: var(--c-paper);
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-family: var(--f-serif);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.1em;
  line-height: 1.2;
  text-align: center;
  box-shadow: 0 8px 24px rgba(155, 44, 44, 0.4);
  transform: rotate(-8deg);
  border: 2px solid var(--c-paper);
}

/* ------------------------------ 区块通用 ------------------------------ */
.section {
  padding: var(--s-24) 0;
}
.section--alt {
  background: var(--c-paper-2);
}
.section--ink {
  background: var(--c-bg-deep);
  color: var(--c-paper);
}
.section--ink .section__title {
  color: var(--c-paper);
}
.section--ink .section__desc {
  color: var(--c-paper-3);
}
.section__head {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: var(--s-8);
  margin-bottom: var(--s-12);
}
.section__head-left {
  max-width: 640px;
}
.section__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--s-2);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--c-accent);
  margin-bottom: var(--s-4);
}
.section__eyebrow::before {
  content: "";
  width: 24px;
  height: 1px;
  background: var(--c-accent);
}
.section__title {
  font-family: var(--f-serif);
  font-size: 42px;
  font-weight: 600;
  line-height: 1.2;
  color: var(--c-ink);
  letter-spacing: -0.01em;
  margin-bottom: var(--s-4);
}
.section__desc {
  font-size: 16px;
  line-height: 1.75;
  color: var(--c-muted);
}
.section__more {
  display: inline-flex;
  align-items: center;
  gap: var(--s-2);
  font-size: 14px;
  font-weight: 600;
  color: var(--c-ink);
  padding-bottom: 4px;
  border-bottom: 1px solid var(--c-ink);
  transition: gap 0.2s ease;
}
.section__more:hover {
  gap: 12px;
  color: var(--c-accent);
  border-color: var(--c-accent);
}

/* ------------------------------ 价值主张 ------------------------------ */
.value {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  border-top: 1px solid var(--c-line);
  border-bottom: 1px solid var(--c-line);
}
.value__item {
  padding: var(--s-10) var(--s-8);
  border-right: 1px solid var(--c-line);
  position: relative;
}
.value__item:last-child {
  border-right: 0;
}
.value__num {
  font-family: var(--f-serif);
  font-size: 14px;
  color: var(--c-gold);
  letter-spacing: 0.2em;
  margin-bottom: var(--s-6);
}
.value__title {
  font-family: var(--f-serif);
  font-size: 24px;
  font-weight: 600;
  color: var(--c-ink);
  margin-bottom: var(--s-3);
}
.value__desc {
  font-size: 14px;
  line-height: 1.75;
  color: var(--c-muted);
}

/* ------------------------------ 资讯卡片网格 ------------------------------ */
.cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--s-8);
}
.card {
  display: flex;
  flex-direction: column;
  background: var(--c-paper);
  border: 1px solid var(--c-line);
  border-radius: var(--r-3);
  overflow: hidden;
  transition: all 0.3s ease;
  position: relative;
}
.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--sh-2);
  border-color: transparent;
}
.card__media {
  position: relative;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: var(--c-paper-2);
}
.card__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}
.card:hover .card__media img {
  transform: scale(1.04);
}
.card__cat {
  position: absolute;
  top: var(--s-4);
  left: var(--s-4);
  padding: 6px 12px;
  background: rgba(31, 27, 22, 0.78);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  color: var(--c-paper);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.1em;
  border-radius: var(--r-1);
}
.card__price {
  position: absolute;
  top: var(--s-4);
  right: var(--s-4);
  padding: 6px 12px;
  background: var(--c-accent);
  color: var(--c-paper);
  font-size: 12px;
  font-weight: 700;
  border-radius: var(--r-1);
  letter-spacing: 0.04em;
}
.card__body {
  flex: 1;
  display: flex;
  flex-direction: column;
  padding: var(--s-6);
}
.card__title {
  font-family: var(--f-serif);
  font-size: 20px;
  font-weight: 600;
  line-height: 1.4;
  color: var(--c-ink);
  margin-bottom: var(--s-3);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.card__excerpt {
  font-size: 14px;
  line-height: 1.7;
  color: var(--c-muted);
  margin-bottom: var(--s-6);
  flex: 1;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.card__foot {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: var(--s-4);
  border-top: 1px solid var(--c-line-soft);
  font-size: 12px;
  color: var(--c-muted);
  letter-spacing: 0.04em;
}
.card__more {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--c-accent);
  font-weight: 600;
  font-size: 13px;
  transition: gap 0.2s ease;
}
.card:hover .card__more {
  gap: 10px;
}

/* ------------------------------ 付费引导条 ------------------------------ */
.cta-strip {
  position: relative;
  padding: var(--s-16) 0;
  background: var(--c-ink);
  color: var(--c-paper);
  overflow: hidden;
}
.cta-strip::before {
  content: "";
  position: absolute;
  top: -40%;
  right: -10%;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  background: radial-gradient(
    circle,
    rgba(155, 44, 44, 0.25) 0%,
    transparent 65%
  );
  pointer-events: none;
}
.cta-strip::after {
  content: "1元/条";
  position: absolute;
  right: 6%;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--f-serif);
  font-size: 180px;
  font-weight: 700;
  color: rgba(176, 141, 87, 0.08);
  letter-spacing: -0.04em;
  pointer-events: none;
  white-space: nowrap;
}
.cta-strip__inner {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--s-12);
}
.cta-strip__title {
  font-family: var(--f-serif);
  font-size: 38px;
  font-weight: 600;
  line-height: 1.3;
  margin-bottom: var(--s-3);
  max-width: 640px;
}
.cta-strip__title em {
  color: var(--c-gold-soft);
  font-style: normal;
}
.cta-strip__desc {
  font-size: 15px;
  color: var(--c-paper-3);
  max-width: 520px;
}

/* ------------------------------ 列表页头 ------------------------------ */
.page-head {
  padding: var(--s-20) 0 var(--s-12);
  background: linear-gradient(180deg, var(--c-paper) 0%, var(--c-paper-2) 100%);
  border-bottom: 1px solid var(--c-line);
}
.page-head__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--s-2);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--c-accent);
  margin-bottom: var(--s-4);
}
.page-head__eyebrow::before {
  content: "";
  width: 24px;
  height: 1px;
  background: var(--c-accent);
}
.page-head__title {
  font-family: var(--f-serif);
  font-size: 56px;
  font-weight: 600;
  line-height: 1.15;
  color: var(--c-ink);
  letter-spacing: -0.01em;
  margin-bottom: var(--s-4);
}
.page-head__desc {
  font-size: 17px;
  line-height: 1.8;
  color: var(--c-muted);
  max-width: 640px;
  margin-bottom: var(--s-8);
}
.page-head__notice {
  display: inline-flex;
  align-items: center;
  gap: var(--s-3);
  padding: var(--s-3) var(--s-5);
  background: var(--c-paper);
  border: 1px solid var(--c-gold-soft);
  border-left: 3px solid var(--c-gold);
  border-radius: var(--r-2);
  font-size: 14px;
  color: var(--c-ink-soft);
}
.page-head__notice strong {
  color: var(--c-accent);
  font-weight: 700;
}

/* 分类筛选 */
.filter {
  display: flex;
  flex-wrap: wrap;
  gap: var(--s-2);
}
.filter__chip {
  padding: 8px 18px;
  font-size: 13px;
  font-weight: 500;
  color: var(--c-ink-soft);
  background: var(--c-paper);
  border: 1px solid var(--c-line);
  border-radius: var(--r-pill);
  transition: all 0.2s ease;
}
.filter__chip:hover {
  border-color: var(--c-ink);
  color: var(--c-ink);
}
.filter__chip.is-active {
  background: var(--c-ink);
  color: var(--c-paper);
  border-color: var(--c-ink);
}

/* 列表 */
.list {
  display: flex;
  flex-direction: column;
  gap: var(--s-6);
}
.list__row {
  display: grid;
  grid-template-columns: 1fr 2fr auto;
  gap: var(--s-8);
  align-items: center;
  padding: var(--s-6) var(--s-8);
  background: var(--c-paper);
  border: 1px solid var(--c-line);
  border-radius: var(--r-3);
  transition: all 0.3s ease;
}
.list__row:hover {
  border-color: var(--c-gold-soft);
  transform: translateX(4px);
  box-shadow: var(--sh-1);
}
.list__row-media {
  width: 100%;
  aspect-ratio: 4 / 3;
  border-radius: var(--r-2);
  overflow: hidden;
  position: relative;
}
.list__row-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.list__row-body {
  display: flex;
  flex-direction: column;
  gap: var(--s-2);
}
.list__row-meta {
  display: flex;
  align-items: center;
  gap: var(--s-3);
  font-size: 12px;
  color: var(--c-muted);
  letter-spacing: 0.04em;
}
.list__row-cat {
  color: var(--c-accent);
  font-weight: 600;
}
.list__row-title {
  font-family: var(--f-serif);
  font-size: 22px;
  font-weight: 600;
  line-height: 1.4;
  color: var(--c-ink);
}
.list__row-excerpt {
  font-size: 14px;
  line-height: 1.7;
  color: var(--c-muted);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.list__row-side {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: var(--s-3);
  text-align: right;
}
.list__row-price {
  font-family: var(--f-serif);
  font-size: 24px;
  font-weight: 600;
  color: var(--c-accent);
  line-height: 1;
}
.list__row-price small {
  font-size: 12px;
  color: var(--c-muted);
  font-weight: 500;
  display: block;
  margin-top: 4px;
  letter-spacing: 0.04em;
}
.list__row-cta {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  font-size: 13px;
  font-weight: 600;
  color: var(--c-paper);
  background: var(--c-ink);
  border-radius: var(--r-2);
  transition: background 0.2s ease;
}
.list__row:hover .list__row-cta {
  background: var(--c-accent);
}

/* ------------------------------ 详情页 ------------------------------ */
.crumb {
  padding: var(--s-6) 0 0;
  font-size: 13px;
  color: var(--c-muted);
  letter-spacing: 0.04em;
}
.crumb a:hover {
  color: var(--c-accent);
}
.crumb span {
  margin: 0 8px;
  color: var(--c-line);
}

.article {
  padding: var(--s-12) 0 var(--s-16);
}
.article__head {
  text-align: center;
  margin-bottom: var(--s-12);
  padding-bottom: var(--s-10);
  border-bottom: 1px solid var(--c-line);
}
.article__cat {
  display: inline-block;
  padding: 6px 14px;
  font-size: 12px;
  font-weight: 600;
  color: var(--c-accent);
  background: rgba(155, 44, 44, 0.08);
  border-radius: var(--r-1);
  margin-bottom: var(--s-5);
  letter-spacing: 0.06em;
}
.article__title {
  font-family: var(--f-serif);
  font-size: 44px;
  font-weight: 600;
  line-height: 1.3;
  color: var(--c-ink);
  letter-spacing: -0.005em;
  margin-bottom: var(--s-6);
}
.article__meta {
  display: inline-flex;
  align-items: center;
  gap: var(--s-5);
  font-size: 13px;
  color: var(--c-muted);
  letter-spacing: 0.04em;
}
.article__meta span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.article__meta svg {
  width: 14px;
  height: 14px;
}

.article__cover {
  width: 100%;
  aspect-ratio: 16 / 8;
  border-radius: var(--r-3);
  overflow: hidden;
  margin-bottom: var(--s-12);
  box-shadow: var(--sh-2);
}
.article__cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.prose {
  font-family: var(--f-serif);
  font-size: 18px;
  line-height: 1.95;
  color: var(--c-ink);
}
.prose > * + * {
  margin-top: 1.4em;
}
.prose p {
  letter-spacing: 0.01em;
}
.prose h2 {
  font-family: var(--f-serif);
  font-size: 28px;
  font-weight: 600;
  line-height: 1.4;
  color: var(--c-ink);
  margin-top: 2em;
  padding-bottom: 0.4em;
  border-bottom: 2px solid var(--c-accent);
  display: inline-block;
}
.prose h3 {
  font-family: var(--f-serif);
  font-size: 22px;
  font-weight: 600;
  color: var(--c-ink);
  margin-top: 1.8em;
}
.prose blockquote {
  position: relative;
  margin: 2em 0;
  padding: var(--s-5) var(--s-6);
  background: var(--c-paper-2);
  border-left: 4px solid var(--c-accent);
  font-size: 17px;
  font-style: normal;
  color: var(--c-ink-soft);
  border-radius: 0 var(--r-2) var(--r-2) 0;
}
.prose ul,
.prose ol {
  padding-left: 1.5em;
}
.prose ul li {
  list-style: none;
  position: relative;
  padding-left: 1.2em;
  margin-bottom: 0.6em;
}
.prose ul li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.7em;
  width: 6px;
  height: 6px;
  background: var(--c-accent);
  border-radius: 50%;
}
.prose ol {
  list-style: decimal;
}
.prose ol li {
  margin-bottom: 0.6em;
  padding-left: 0.4em;
}
.prose strong {
  color: var(--c-accent);
  font-weight: 600;
}
.prose a {
  color: var(--c-accent);
  border-bottom: 1px solid var(--c-gold-soft);
}
.prose a:hover {
  border-bottom-color: var(--c-accent);
}

/* 付费解锁遮罩 */
.lock-wrap {
  position: relative;
  margin-top: var(--s-8);
}
.lock-fade {
  position: relative;
  height: 280px;
  overflow: hidden;
  pointer-events: none;
  user-select: none;
  filter: blur(2px);
  opacity: 0.65;
}
.lock-fade::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    rgba(251, 247, 240, 0) 0%,
    rgba(251, 247, 240, 0.6) 40%,
    rgba(251, 247, 240, 0.95) 80%,
    var(--c-paper) 100%
  );
}
.lock-fade .prose > * + * {
  margin-top: 1em;
}
.lock-card {
  position: relative;
  margin-top: -160px;
  z-index: 2;
  padding: var(--s-10) var(--s-8);
  background: linear-gradient(180deg, var(--c-paper) 0%, var(--c-paper-2) 100%);
  border: 1px solid var(--c-gold-soft);
  border-radius: var(--r-3);
  text-align: center;
  box-shadow: var(--sh-2);
}
.lock-card::before {
  content: "";
  position: absolute;
  top: 8px;
  left: 8px;
  right: 8px;
  bottom: 8px;
  border: 1px solid var(--c-gold-soft);
  border-radius: var(--r-2);
  pointer-events: none;
}
.lock-card__seal {
  display: inline-flex;
  align-items: center;
  gap: var(--s-2);
  padding: 6px 14px;
  background: var(--c-accent);
  color: var(--c-paper);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.2em;
  border-radius: var(--r-1);
  margin-bottom: var(--s-5);
}
.lock-card__title {
  font-family: var(--f-serif);
  font-size: 28px;
  font-weight: 600;
  color: var(--c-ink);
  margin-bottom: var(--s-3);
  line-height: 1.4;
}
.lock-card__desc {
  font-size: 14px;
  color: var(--c-muted);
  margin-bottom: var(--s-6);
  line-height: 1.7;
}
.lock-card__price {
  display: inline-flex;
  align-items: baseline;
  gap: var(--s-2);
  margin-bottom: var(--s-6);
}
.lock-card__price-num {
  font-family: var(--f-serif);
  font-size: 48px;
  font-weight: 700;
  color: var(--c-accent);
  line-height: 1;
}
.lock-card__price-unit {
  font-size: 16px;
  color: var(--c-muted);
}
.lock-card__qr {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  gap: var(--s-3);
  padding: var(--s-5);
  background: var(--c-paper);
  border: 1px solid var(--c-line);
  border-radius: var(--r-2);
  margin-bottom: var(--s-6);
}
.lock-card__qr img {
  width: 200px;
  height: 200px;
  border-radius: var(--r-1);
}
.lock-card__qr-label {
  font-size: 13px;
  color: var(--c-ink-soft);
  font-weight: 600;
  letter-spacing: 0.04em;
}
.lock-card__qr-hint {
  font-size: 11px;
  color: var(--c-muted);
  letter-spacing: 0.04em;
}
.lock-card__steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--s-4);
  max-width: 520px;
  margin: 0 auto;
  text-align: left;
}
.lock-card__step {
  display: flex;
  flex-direction: column;
  gap: var(--s-2);
  padding: var(--s-4);
  background: var(--c-paper);
  border: 1px solid var(--c-line);
  border-radius: var(--r-2);
}
.lock-card__step-num {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--c-ink);
  color: var(--c-paper);
  display: grid;
  place-items: center;
  font-size: 12px;
  font-weight: 700;
}
.lock-card__step-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--c-ink);
}
.lock-card__step-desc {
  font-size: 12px;
  color: var(--c-muted);
  line-height: 1.6;
}

/* 解锁按钮（演示） */
.lock-card__demo {
  display: inline-flex;
  align-items: center;
  gap: var(--s-2);
  margin-top: var(--s-6);
  font-size: 12px;
  color: var(--c-muted);
}
.lock-card__demo-btn {
  padding: 6px 12px;
  font-size: 12px;
  font-weight: 600;
  color: var(--c-paper);
  background: var(--c-ink);
  border-radius: var(--r-1);
  transition: background 0.2s ease;
}
.lock-card__demo-btn:hover {
  background: var(--c-accent);
}
.lock-card__demo-btn.is-locked {
  cursor: not-allowed;
  opacity: 0.6;
}

/* 已解锁态 */
.lock-card.is-unlocked {
  background: linear-gradient(180deg, var(--c-paper) 0%, var(--c-jade) 100%);
  background: linear-gradient(180deg, #f1f7f1 0%, #e9f1eb 100%);
  border-color: var(--c-jade);
}
.lock-card.is-unlocked::before {
  border-color: var(--c-jade);
}
.lock-card.is-unlocked .lock-card__seal {
  background: var(--c-jade);
}
.lock-card.is-unlocked .lock-card__price-num {
  color: var(--c-jade);
}

/* 详情页文章末尾 */
.article__end {
  margin-top: var(--s-12);
  padding-top: var(--s-8);
  border-top: 1px solid var(--c-line);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--s-4);
}
.article__end-meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--s-2);
}
.article__tag {
  padding: 4px 12px;
  background: var(--c-paper-2);
  border-radius: var(--r-1);
  font-size: 12px;
  color: var(--c-ink-soft);
}
.article__end-share {
  display: flex;
  gap: var(--s-2);
}

/* 上一篇 / 下一篇 */
.article-nav {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--s-6);
  padding: var(--s-10) 0;
  border-top: 1px solid var(--c-line);
  border-bottom: 1px solid var(--c-line);
}
.article-nav__item {
  padding: var(--s-5) var(--s-6);
  border: 1px solid var(--c-line);
  border-radius: var(--r-2);
  transition: all 0.2s ease;
}
.article-nav__item:hover {
  border-color: var(--c-accent);
  background: var(--c-paper-2);
}
.article-nav__item.is-next {
  text-align: right;
}
.article-nav__label {
  display: block;
  font-size: 12px;
  color: var(--c-muted);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  margin-bottom: var(--s-2);
}
.article-nav__title {
  font-family: var(--f-serif);
  font-size: 16px;
  font-weight: 600;
  color: var(--c-ink);
  line-height: 1.5;
}

/* ------------------------------ 联系页 ------------------------------ */
.contact {
  padding: var(--s-20) 0 var(--s-16);
}
.contact__head {
  text-align: center;
  margin-bottom: var(--s-12);
}
.contact__head .page-head__title {
  font-size: 48px;
}
.contact__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--s-8);
}
.contact-card {
  background: var(--c-paper);
  border: 1px solid var(--c-line);
  border-radius: var(--r-3);
  padding: var(--s-10);
}
.contact-card__title {
  font-family: var(--f-serif);
  font-size: 14px;
  color: var(--c-muted);
  letter-spacing: 0.3em;
  text-transform: uppercase;
  margin-bottom: var(--s-6);
  padding-bottom: var(--s-4);
  border-bottom: 1px solid var(--c-line);
}
.contact-row {
  display: flex;
  align-items: flex-start;
  gap: var(--s-4);
  padding: var(--s-4) 0;
  border-bottom: 1px dashed var(--c-line-soft);
}
.contact-row:last-child {
  border-bottom: 0;
}
.contact-row__icon {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  display: grid;
  place-items: center;
  background: var(--c-paper-2);
  border-radius: var(--r-2);
  color: var(--c-accent);
}
.contact-row__icon svg {
  width: 18px;
  height: 18px;
}
.contact-row__body {
  flex: 1;
  min-width: 0;
}
.contact-row__label {
  font-size: 12px;
  color: var(--c-muted);
  letter-spacing: 0.1em;
  margin-bottom: 4px;
  text-transform: uppercase;
}
.contact-row__value {
  font-family: var(--f-serif);
  font-size: 18px;
  font-weight: 600;
  color: var(--c-ink);
  line-height: 1.5;
  word-break: break-word;
}
.contact-row__value a {
  color: inherit;
  border-bottom: 1px solid var(--c-gold-soft);
  transition: color 0.2s ease;
}
.contact-row__value a:hover {
  color: var(--c-accent);
  border-bottom-color: var(--c-accent);
}

.map-card {
  position: relative;
  background: var(--c-paper-2);
  border: 1px solid var(--c-line);
  border-radius: var(--r-3);
  padding: var(--s-10);
  overflow: hidden;
  min-height: 480px;
  display: flex;
  flex-direction: column;
}
.map-card__title {
  font-family: var(--f-serif);
  font-size: 14px;
  color: var(--c-muted);
  letter-spacing: 0.3em;
  text-transform: uppercase;
  margin-bottom: var(--s-6);
  padding-bottom: var(--s-4);
  border-bottom: 1px solid var(--c-line);
}
.map-card__visual {
  flex: 1;
  position: relative;
  background: linear-gradient(
    135deg,
    var(--c-paper-3) 0%,
    var(--c-paper-2) 100%
  );
  border-radius: var(--r-2);
  overflow: hidden;
  min-height: 280px;
  display: grid;
  place-items: center;
}
.map-card__pin {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -100%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--s-2);
}
.map-card__pin-icon {
  width: 56px;
  height: 56px;
  border-radius: 50% 50% 50% 0;
  transform: rotate(-45deg);
  background: var(--c-accent);
  display: grid;
  place-items: center;
  box-shadow: 0 8px 24px rgba(155, 44, 44, 0.3);
  position: relative;
}
.map-card__pin-icon::after {
  content: "";
  width: 20px;
  height: 20px;
  background: var(--c-paper);
  border-radius: 50%;
}
.map-card__pin-label {
  margin-top: var(--s-3);
  padding: 6px 14px;
  background: var(--c-ink);
  color: var(--c-paper);
  font-size: 12px;
  font-weight: 600;
  border-radius: var(--r-1);
  white-space: nowrap;
  letter-spacing: 0.04em;
}
.map-card__grid {
  position: absolute;
  inset: 0;
  background-image: linear-gradient(var(--c-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--c-line) 1px, transparent 1px);
  background-size: 40px 40px;
  opacity: 0.5;
}
.map-card__road {
  position: absolute;
  background: var(--c-paper-3);
  box-shadow: inset 0 0 0 1px var(--c-line);
}
.map-card__road--h1 {
  top: 30%;
  left: 0;
  right: 0;
  height: 12px;
}
.map-card__road--h2 {
  top: 70%;
  left: 0;
  right: 0;
  height: 8px;
}
.map-card__road--v1 {
  left: 35%;
  top: 0;
  bottom: 0;
  width: 10px;
}
.map-card__road--v2 {
  left: 70%;
  top: 0;
  bottom: 0;
  width: 14px;
}
.map-card__foot {
  margin-top: var(--s-6);
  padding-top: var(--s-5);
  border-top: 1px dashed var(--c-line);
  font-size: 13px;
  color: var(--c-muted);
  line-height: 1.7;
}
.map-card__foot strong {
  color: var(--c-ink);
}

/* ------------------------------ 站脚 ------------------------------ */
.footer {
  background: var(--c-bg-deep);
  color: var(--c-paper-3);
  padding: var(--s-16) 0 var(--s-6);
}
.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.2fr;
  gap: var(--s-10);
  padding-bottom: var(--s-10);
  border-bottom: 1px solid rgba(245, 239, 230, 0.08);
}
.footer__brand {
  display: flex;
  align-items: center;
  gap: var(--s-3);
  margin-bottom: var(--s-5);
}
.footer__brand .brand__name {
  color: var(--c-paper);
}
.footer__brand .brand__name small {
  color: var(--c-paper-3);
}
.footer__desc {
  font-size: 14px;
  line-height: 1.8;
  color: var(--c-paper-3);
  max-width: 360px;
  margin-bottom: var(--s-6);
}
.footer__col-title {
  font-family: var(--f-serif);
  font-size: 15px;
  font-weight: 600;
  color: var(--c-paper);
  margin-bottom: var(--s-5);
  letter-spacing: 0.04em;
}
.footer__list li {
  margin-bottom: var(--s-3);
}
.footer__list a {
  font-size: 14px;
  color: var(--c-paper-3);
  transition: color 0.2s ease;
}
.footer__list a:hover {
  color: var(--c-gold-soft);
}
.footer__contact-row {
  display: flex;
  align-items: flex-start;
  gap: var(--s-3);
  margin-bottom: var(--s-4);
  font-size: 13px;
  line-height: 1.7;
}
.footer__contact-row strong {
  display: block;
  color: var(--c-paper);
  font-weight: 600;
  margin-bottom: 2px;
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.footer__bottom {
  padding-top: var(--s-6);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: var(--s-4);
  font-size: 12px;
  color: var(--c-paper-3);
  letter-spacing: 0.04em;
}
.footer__legal {
  display: flex;
  flex-wrap: wrap;
  gap: var(--s-5);
  align-items: center;
}
.footer__legal a {
  color: var(--c-paper-3);
  border-bottom: 1px solid rgba(245, 239, 230, 0.18);
  transition: color 0.2s ease, border-color 0.2s ease;
}
.footer__legal a:hover {
  color: var(--c-gold-soft);
  border-bottom-color: var(--c-gold-soft);
}
.footer__copy {
  color: var(--c-muted-2);
}

/* ------------------------------ 响应式 ------------------------------ */
@media (max-width: 1024px) {
  .hero__inner {
    grid-template-columns: 1fr;
    gap: var(--s-10);
  }
  .hero__title {
    font-size: 56px;
  }
  .hero__visual {
    aspect-ratio: 16 / 10;
    max-width: 600px;
  }
  .section__title {
    font-size: 34px;
  }
  .page-head__title {
    font-size: 44px;
  }
  .cards {
    grid-template-columns: repeat(2, 1fr);
  }
  .footer__grid {
    grid-template-columns: 1fr 1fr;
  }
  .contact__grid {
    grid-template-columns: 1fr;
  }
  .article__title {
    font-size: 36px;
  }
  .prose {
    font-size: 17px;
  }
  .cta-strip__inner {
    flex-direction: column;
    text-align: center;
    align-items: center;
  }
  .cta-strip::after {
    font-size: 120px;
  }
}

@media (max-width: 768px) {
  :root {
    --s-24: 72px;
    --s-20: 56px;
    --s-16: 40px;
  }
  body {
    font-size: 15px;
  }
  .nav__list,
  .nav__cta {
    display: none;
  }
  .nav__toggle {
    display: inline-flex;
  }
  .container {
    padding: 0 var(--s-4);
  }
  .hero {
    padding: var(--s-16) 0 var(--s-12);
  }
  .hero__title {
    font-size: 40px;
  }
  .hero__desc {
    font-size: 15px;
  }
  .hero__actions {
    flex-direction: column;
  }
  .hero__actions .btn {
    width: 100%;
  }
  .hero__stats {
    grid-template-columns: 1fr;
    gap: var(--s-4);
  }
  .value {
    grid-template-columns: 1fr;
  }
  .value__item {
    border-right: 0;
    border-bottom: 1px solid var(--c-line);
  }
  .value__item:last-child {
    border-bottom: 0;
  }
  .section__head {
    flex-direction: column;
    align-items: flex-start;
  }
  .section__title {
    font-size: 28px;
  }
  .cards {
    grid-template-columns: 1fr;
  }
  .page-head {
    padding: var(--s-12) 0 var(--s-8);
  }
  .page-head__title {
    font-size: 32px;
  }
  .page-head__desc {
    font-size: 15px;
  }
  .list__row {
    grid-template-columns: 1fr;
    gap: var(--s-4);
  }
  .list__row-side {
    align-items: flex-start;
    text-align: left;
    flex-direction: row;
    justify-content: space-between;
    width: 100%;
  }
  .list__row-media {
    aspect-ratio: 16 / 9;
  }
  .article {
    padding: var(--s-8) 0;
  }
  .article__title {
    font-size: 26px;
  }
  .article__meta {
    flex-wrap: wrap;
    justify-content: center;
  }
  .article__cover {
    aspect-ratio: 16 / 10;
  }
  .prose {
    font-size: 16px;
    line-height: 1.85;
  }
  .prose h2 {
    font-size: 22px;
  }
  .prose h3 {
    font-size: 19px;
  }
  .lock-card {
    padding: var(--s-6) var(--s-4);
  }
  .lock-card__title {
    font-size: 22px;
  }
  .lock-card__price-num {
    font-size: 38px;
  }
  .lock-card__qr img {
    width: 180px;
    height: 180px;
  }
  .lock-card__steps {
    grid-template-columns: 1fr;
  }
  .article-nav {
    grid-template-columns: 1fr;
  }
  .article-nav__item.is-next {
    text-align: left;
  }
  .contact {
    padding: var(--s-12) 0;
  }
  .contact__head .page-head__title {
    font-size: 32px;
  }
  .contact-card,
  .map-card {
    padding: var(--s-6);
  }
  .footer__grid {
    grid-template-columns: 1fr;
    gap: var(--s-8);
  }
  .footer__bottom {
    flex-direction: column;
    align-items: flex-start;
  }
  .cta-strip__title {
    font-size: 26px;
  }
}
