:root {
  --valley-green: #2f5b51;
  --deep-green: #173831;
  --mist-green: #dfe8dc;
  --ink: #24302c;
  --muted: #697772;
  --paper: #fbf7ed;
  --warm-paper: #f5eddd;
  --white-warm: #fffaf0;
  --tea: #b89a66;
  --line: rgba(47, 91, 81, 0.16);
  --shadow: 0 28px 90px rgba(35, 54, 48, 0.1);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background:
    linear-gradient(90deg, rgba(47, 91, 81, 0.035) 1px, transparent 1px),
    linear-gradient(180deg, var(--paper), #f8f1e4 52%, #fffaf0);
  background-size: 84px 84px, auto;
  font-family: "Noto Serif SC", "Source Han Serif SC", "Songti SC", "STSong", "SimSun", serif;
  line-height: 1.9;
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid rgba(47, 91, 81, 0.1);
  background: rgba(251, 247, 237, 0.88);
  backdrop-filter: blur(18px);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: min(1180px, calc(100% - 48px));
  min-height: 78px;
  margin: 0 auto;
}

.brand {
  color: var(--deep-green);
  font-size: 28px;
  font-weight: 600;
  letter-spacing: 0;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 24px;
  color: #4b5c56;
  font-family: "Microsoft YaHei", "PingFang SC", sans-serif;
  font-size: 14px;
}

.nav-links a {
  padding: 9px 0;
  border-bottom: 1px solid transparent;
}

.nav-links a:hover {
  color: var(--valley-green);
  border-color: rgba(47, 91, 81, 0.45);
}

.nav-links a.active {
  color: var(--deep-green);
  border-color: var(--tea);
}

.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: rgba(255, 250, 240, 0.82);
}

.nav-toggle span {
  display: block;
  height: 1px;
  margin: 6px 0;
  background: var(--deep-green);
}

.hero {
  position: relative;
  min-height: 760px;
  display: grid;
  align-items: center;
  padding: 128px 24px 110px;
  overflow: hidden;
  background:
    linear-gradient(90deg, rgba(251, 247, 237, 0.96), rgba(251, 247, 237, 0.78) 48%, rgba(238, 232, 214, 0.52)),
    url("data:image/svg+xml,%3Csvg width='1400' height='820' viewBox='0 0 1400 820' xmlns='http://www.w3.org/2000/svg'%3E%3Crect width='1400' height='820' fill='%23fbf7ed'/%3E%3Cpath d='M890 75c138 69 264 76 367 178 87 86 74 235-26 305-104 73-240 36-352 86-119 53-212 174-337 141-119-31-149-166-204-270-53-100-165-170-146-282 21-124 146-200 266-238 143-45 296 12 432 80z' fill='%23dfe8dc' fill-opacity='.76'/%3E%3Cpath d='M945 192c90 44 205 52 254 139 46 81 5 185-79 226-88 43-183-13-277 13-90 25-155 116-248 101-90-15-151-96-174-184-24-91-1-190 66-256 119-118 306-113 458-39z' fill='%238da49a' fill-opacity='.22'/%3E%3Cpath d='M790 97c-41 199-60 391-55 642M902 41c-29 226-36 450-20 673M1012 83c-19 174-23 366-2 558M1123 148c-8 128-2 246 18 354' stroke='%232f5b51' stroke-opacity='.12' stroke-width='2'/%3E%3Cpath d='M822 254c109 9 222 6 335-8M769 369c149 10 296 5 439-14M752 489c105 9 217 8 336-7' stroke='%232f5b51' stroke-opacity='.09' stroke-width='2'/%3E%3C/svg%3E");
  background-size: cover;
  background-position: center;
}

.hero::after {
  content: "";
  position: absolute;
  inset: auto 8% 7% auto;
  width: 220px;
  height: 220px;
  border: 1px solid rgba(47, 91, 81, 0.14);
  transform: rotate(45deg);
}

.hero-inner {
  position: relative;
  z-index: 1;
  width: min(1080px, 100%);
  margin: 0 auto;
}

.hero-kicker,
.eyebrow,
.pillar-label {
  margin: 0 0 16px;
  color: var(--valley-green);
  font-family: "Microsoft YaHei", "PingFang SC", sans-serif;
  font-size: 13px;
  letter-spacing: 0;
}

.hero-kicker::before,
.eyebrow::before {
  content: "";
  display: inline-block;
  width: 34px;
  height: 1px;
  margin-right: 12px;
  vertical-align: middle;
  background: var(--tea);
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  max-width: 920px;
  margin-bottom: 32px;
  color: var(--deep-green);
  font-size: clamp(44px, 7vw, 88px);
  font-weight: 500;
  line-height: 1.12;
}

.hero-copy {
  max-width: 770px;
  margin-bottom: 46px;
  color: #4f5d58;
  font-size: 20px;
}

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

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 11px 28px;
  border: 1px solid var(--valley-green);
  border-radius: 3px;
  font-family: "Microsoft YaHei", "PingFang SC", sans-serif;
  font-size: 15px;
  transition: transform 0.2s ease, background 0.2s ease;
}

.button:hover {
  transform: translateY(-2px);
}

.button-primary {
  color: var(--white-warm);
  background: var(--valley-green);
}

.button-quiet {
  color: var(--deep-green);
  background: rgba(255, 250, 240, 0.65);
}

.hero-scroll {
  position: absolute;
  right: 34px;
  bottom: 36px;
  color: rgba(47, 91, 81, 0.52);
  font-size: 13px;
  writing-mode: vertical-rl;
}

.section {
  width: min(1180px, calc(100% - 48px));
  margin: 0 auto;
  padding: 124px 0;
}

.section-heading {
  max-width: 780px;
  margin-bottom: 52px;
}

.section-heading.center {
  max-width: 820px;
  margin-right: auto;
  margin-left: auto;
  text-align: center;
}

.section-heading.center .eyebrow::before {
  display: none;
}

h2 {
  color: var(--deep-green);
  font-size: clamp(32px, 4.2vw, 58px);
  font-weight: 500;
  line-height: 1.25;
}

h3 {
  color: var(--deep-green);
  font-size: 28px;
  font-weight: 500;
  line-height: 1.36;
}

.intro {
  display: grid;
  grid-template-columns: 0.24fr 1fr;
  gap: 68px;
  align-items: start;
}

.intro-line {
  height: 100%;
  min-height: 260px;
  border-left: 1px solid var(--line);
  border-right: 1px solid rgba(184, 154, 102, 0.22);
}

.intro-content {
  max-width: 820px;
}

.intro-content p {
  color: var(--muted);
  font-size: 18px;
}

.focus-grid {
  display: grid;
  grid-template-columns: 1.18fr 0.82fr;
  gap: 28px;
}

.focus-card,
.pillar-card,
.founder-card,
.recommend-card,
.contact-panel {
  border: 1px solid var(--line);
  border-radius: 6px;
  background: rgba(255, 250, 240, 0.74);
  box-shadow: var(--shadow);
}

.focus-card {
  min-height: 430px;
  padding: 52px;
}

.focus-grand {
  position: relative;
  overflow: hidden;
  color: var(--white-warm);
  background:
    linear-gradient(135deg, rgba(23, 56, 49, 0.94), rgba(47, 91, 81, 0.85)),
    url("data:image/svg+xml,%3Csvg width='680' height='520' viewBox='0 0 680 520' xmlns='http://www.w3.org/2000/svg'%3E%3Crect width='680' height='520' fill='%232f5b51'/%3E%3Cpath d='M72 392h528M96 344h456M124 296h360M178 132h326v164H178zM220 174h242v122M258 174v122M344 174v122' stroke='%23fffaf0' stroke-opacity='.18' stroke-width='2' fill='none'/%3E%3Cpath d='M140 392c40-88 96-134 168-138 98-6 136 63 236 40' stroke='%23d8c8a9' stroke-opacity='.35' stroke-width='2' fill='none'/%3E%3C/svg%3E");
  background-size: cover;
  background-position: center;
}

.focus-grand .pillar-label,
.focus-grand h3,
.focus-grand p,
.focus-grand .text-link {
  color: var(--white-warm);
}

.focus-grand .text-link {
  border-color: rgba(255, 250, 240, 0.5);
}

.focus-voice {
  background:
    linear-gradient(180deg, rgba(255, 250, 240, 0.9), rgba(245, 237, 221, 0.82)),
    url("data:image/svg+xml,%3Csvg width='520' height='430' viewBox='0 0 520 430' xmlns='http://www.w3.org/2000/svg'%3E%3Crect width='520' height='430' fill='%23fbf7ed'/%3E%3Cpath d='M72 214c54-66 99-66 136 0s83 66 138 0 88-66 102 0' stroke='%232f5b51' stroke-opacity='.18' stroke-width='3' fill='none'/%3E%3Cpath d='M92 258c44-38 80-38 108 0s66 38 108 0 76-38 104 0' stroke='%23b89a66' stroke-opacity='.22' stroke-width='2' fill='none'/%3E%3C/svg%3E");
  background-size: cover;
}

.focus-card p,
.pillar-card p,
.founder-card p,
.recommend-card p,
.contact-panel p {
  color: var(--muted);
}

.focus-card p {
  max-width: 620px;
  font-size: 18px;
}

.text-link {
  display: inline-flex;
  margin-top: 18px;
  color: var(--valley-green);
  font-family: "Microsoft YaHei", "PingFang SC", sans-serif;
  border-bottom: 1px solid rgba(47, 91, 81, 0.35);
}

.pillar-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 16px;
}

.pillar-card {
  min-height: 310px;
  padding: 28px;
  box-shadow: none;
}

.section-number {
  display: block;
  margin-bottom: 58px;
  color: rgba(47, 91, 81, 0.45);
  font-family: Georgia, serif;
  font-size: 18px;
}

.founder-grid,
.recommend-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 28px;
}

.founder-card,
.recommend-card {
  padding: 42px;
}

.founder-mark {
  display: grid;
  place-items: center;
  width: 76px;
  height: 76px;
  margin-bottom: 28px;
  border: 1px solid var(--line);
  border-radius: 50%;
  color: var(--valley-green);
  background: var(--warm-paper);
  font-size: 34px;
}

.recommend-card {
  min-height: 300px;
  background: rgba(255, 250, 240, 0.78);
}

.recommend-grand {
  border-color: rgba(47, 91, 81, 0.26);
  background: linear-gradient(135deg, rgba(47, 91, 81, 0.12), rgba(255, 250, 240, 0.82));
}

.contact-panel {
  display: grid;
  grid-template-columns: 1.08fr 0.92fr;
  gap: 44px;
  padding: 58px;
  background: var(--deep-green);
}

.contact-panel h2,
.contact-panel p {
  color: var(--white-warm);
}

.contact-panel .eyebrow {
  color: #d9c9a9;
}

.contact-list {
  display: grid;
  gap: 14px;
  align-content: center;
}

.contact-consult {
  display: grid;
  grid-template-columns: 176px 1fr;
  gap: 22px;
  align-items: center;
}

.qr-card {
  margin: 0;
  padding: 14px;
  border: 1px solid rgba(255, 250, 240, 0.22);
  border-radius: 6px;
  background: rgba(255, 250, 240, 0.08);
}

.qr-card img {
  display: block;
  width: 148px;
  max-width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  margin: 0 auto;
  border-radius: 4px;
  background: var(--white-warm);
}

.qr-card figcaption {
  margin-top: 12px;
  color: rgba(255, 250, 240, 0.86);
  font-family: "Microsoft YaHei", "PingFang SC", sans-serif;
  font-size: 13px;
  line-height: 1.6;
  text-align: center;
}

.contact-list a {
  padding: 16px 18px;
  border: 1px solid rgba(255, 250, 240, 0.26);
  border-radius: 3px;
  color: var(--white-warm);
  background: rgba(255, 255, 255, 0.04);
  font-family: "Microsoft YaHei", "PingFang SC", sans-serif;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  width: min(1180px, calc(100% - 48px));
  margin: 0 auto;
  padding: 44px 0 56px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 14px;
}

.site-footer p {
  margin: 0;
}

.page-hero {
  width: min(1180px, calc(100% - 48px));
  min-height: 520px;
  display: grid;
  align-content: center;
  margin: 0 auto;
  padding: 118px 0 86px;
  border-bottom: 1px solid var(--line);
}

.page-hero h1 {
  max-width: 880px;
  margin-bottom: 26px;
}

.page-hero p:not(.eyebrow) {
  max-width: 760px;
  color: var(--muted);
  font-size: 20px;
}

.page-hero-voice {
  background:
    linear-gradient(90deg, rgba(251, 247, 237, 0.92), rgba(251, 247, 237, 0.62)),
    url("data:image/svg+xml,%3Csvg width='980' height='520' viewBox='0 0 980 520' xmlns='http://www.w3.org/2000/svg'%3E%3Crect width='980' height='520' fill='%23fbf7ed'/%3E%3Cpath d='M80 256c102-106 184-106 246 0s139 106 231 0 152-106 184 0' stroke='%232f5b51' stroke-opacity='.12' stroke-width='5' fill='none'/%3E%3Cpath d='M118 324c80-70 143-70 190 0s112 70 190 0 138-70 188 0' stroke='%23b89a66' stroke-opacity='.18' stroke-width='3' fill='none'/%3E%3C/svg%3E");
  background-position: right center;
  background-repeat: no-repeat;
  background-size: contain;
}

.page-hero-study {
  background:
    linear-gradient(90deg, rgba(251, 247, 237, 0.94), rgba(251, 247, 237, 0.68)),
    url("data:image/svg+xml,%3Csvg width='820' height='520' viewBox='0 0 820 520' xmlns='http://www.w3.org/2000/svg'%3E%3Crect width='820' height='520' fill='%23fbf7ed'/%3E%3Cpath d='M460 120h220v300H460zM500 166h138M500 212h138M500 258h138M500 304h138' stroke='%232f5b51' stroke-opacity='.12' stroke-width='3' fill='none'/%3E%3Cpath d='M388 120h72v300h-72c-70 0-126-56-126-126v-48c0-70 56-126 126-126z' stroke='%23b89a66' stroke-opacity='.18' stroke-width='3' fill='none'/%3E%3C/svg%3E");
  background-position: right center;
  background-repeat: no-repeat;
  background-size: contain;
}

.page-hero-daguan {
  color: var(--white-warm);
  background:
    linear-gradient(110deg, rgba(23, 56, 49, 0.96), rgba(47, 91, 81, 0.84)),
    url("data:image/svg+xml,%3Csvg width='980' height='560' viewBox='0 0 980 560' xmlns='http://www.w3.org/2000/svg'%3E%3Crect width='980' height='560' fill='%232f5b51'/%3E%3Cpath d='M180 420h620M230 360h490M270 300h360M330 130h340v170H330zM376 172h248v128M454 172v128M538 172v128' stroke='%23fffaf0' stroke-opacity='.16' stroke-width='3' fill='none'/%3E%3Cpath d='M220 424c68-116 154-170 258-162 140 11 174 88 314 40' stroke='%23d8c8a9' stroke-opacity='.32' stroke-width='3' fill='none'/%3E%3C/svg%3E");
  background-position: right center;
  background-repeat: no-repeat;
  background-size: cover;
}

.page-hero-daguan h1,
.page-hero-daguan p,
.page-hero-daguan .eyebrow,
.page-hero-daguan .back-home {
  color: var(--white-warm);
}

.back-home {
  width: max-content;
  margin-top: 24px;
  color: var(--valley-green);
  font-family: "Microsoft YaHei", "PingFang SC", sans-serif;
  border-bottom: 1px solid rgba(47, 91, 81, 0.35);
}

.page-section {
  padding-top: 96px;
}

.content-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px;
}

.content-card {
  min-height: 260px;
  padding: 34px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: rgba(255, 250, 240, 0.74);
  box-shadow: var(--shadow);
}

.content-card.wide {
  grid-column: span 3;
  min-height: 320px;
  display: grid;
  align-content: end;
}

.content-card p {
  color: var(--muted);
}

.dark-card {
  color: var(--white-warm);
  background: linear-gradient(135deg, var(--deep-green), var(--valley-green));
}

.dark-card h2,
.dark-card p {
  color: var(--white-warm);
}

.contact-page-panel {
  margin-bottom: 20px;
}

.quiet-list {
  margin: 0;
  padding: 0;
  list-style: none;
  color: var(--muted);
}

.quiet-list li {
  padding: 10px 0;
  border-bottom: 1px solid rgba(47, 91, 81, 0.12);
}

.quiet-list li:last-child {
  border-bottom: 0;
}

.program-strip {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 28px;
  align-items: center;
  margin-top: 28px;
  padding: 34px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: rgba(255, 250, 240, 0.82);
  box-shadow: var(--shadow);
}

.program-strip h3 {
  margin-bottom: 0;
}

.price-mark {
  display: grid;
  gap: 4px;
  min-width: 180px;
  padding: 18px 22px;
  border: 1px solid rgba(47, 91, 81, 0.18);
  border-radius: 6px;
  background: var(--warm-paper);
  color: var(--deep-green);
  text-align: center;
}

.price-mark span {
  font-size: 30px;
  line-height: 1.2;
}

.price-mark del,
.price-mark small {
  color: var(--muted);
  font-family: "Microsoft YaHei", "PingFang SC", sans-serif;
  font-size: 14px;
}

.hero-price {
  width: max-content;
  margin-top: 28px;
  margin-bottom: 8px;
}

.test-list {
  display: grid;
  gap: 18px;
}

.test-item {
  display: grid;
  grid-template-columns: 72px 0.82fr 1fr;
  gap: 24px;
  align-items: start;
  padding: 28px 0;
  border-bottom: 1px solid var(--line);
}

.test-item span {
  color: rgba(47, 91, 81, 0.48);
  font-family: Georgia, serif;
  font-size: 22px;
}

.test-item h3 {
  margin-bottom: 0;
}

.test-item p {
  margin-bottom: 0;
  color: var(--muted);
}

.assistant-section {
  padding-top: 32px;
}

.assistant-panel {
  display: grid;
  grid-template-columns: 1fr 220px;
  gap: 42px;
  align-items: center;
  padding: 46px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background:
    linear-gradient(135deg, rgba(255, 250, 240, 0.88), rgba(245, 237, 221, 0.78));
  box-shadow: var(--shadow);
}

.assistant-panel h2 {
  margin-bottom: 18px;
}

.assistant-panel p {
  color: var(--muted);
}

.light-qr {
  justify-self: end;
  width: 204px;
  border-color: rgba(47, 91, 81, 0.14);
  background: rgba(255, 250, 240, 0.92);
}

.light-qr figcaption {
  color: var(--muted);
}

@media (max-width: 1080px) {
  .pillar-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .pillar-card {
    min-height: 250px;
  }

  .section-number {
    margin-bottom: 34px;
  }
}

@media (max-width: 900px) {
  .nav {
    width: min(100% - 28px, 1180px);
  }

  .nav-toggle {
    display: block;
  }

  .nav-links {
    position: absolute;
    top: 78px;
    left: 14px;
    right: 14px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 10px;
    border: 1px solid var(--line);
    border-radius: 6px;
    background: rgba(251, 247, 237, 0.98);
    box-shadow: var(--shadow);
  }

  .nav-links.is-open {
    display: flex;
  }

  .nav-links a {
    padding: 13px 10px;
  }

  .hero {
    min-height: auto;
    padding: 92px 20px 86px;
  }

  .hero-copy {
    font-size: 18px;
  }

  .section {
    width: min(100% - 28px, 1180px);
    padding: 86px 0;
  }

  .intro,
  .focus-grid,
  .founder-grid,
  .recommend-grid,
  .contact-panel,
  .content-grid {
    grid-template-columns: 1fr;
  }

  .page-hero {
    width: min(100% - 28px, 1180px);
    min-height: auto;
    padding: 86px 0 70px;
  }

  .page-hero p:not(.eyebrow) {
    font-size: 18px;
  }

  .content-card.wide {
    grid-column: span 1;
  }

  .program-strip,
  .assistant-panel,
  .test-item {
    grid-template-columns: 1fr;
  }

  .light-qr {
    justify-self: start;
  }

  .intro-line {
    display: none;
  }

  .focus-card {
    min-height: auto;
    padding: 38px;
  }
}

@media (max-width: 620px) {
  body {
    background-size: 56px 56px, auto;
  }

  .brand {
    font-size: 24px;
  }

  h1 {
    font-size: 42px;
  }

  h2 {
    font-size: 32px;
  }

  h3 {
    font-size: 25px;
  }

  .hero::after,
  .hero-scroll {
    display: none;
  }

  .hero-actions,
  .button {
    width: 100%;
  }

  .section {
    padding: 76px 0;
  }

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

  .focus-card,
  .pillar-card,
  .founder-card,
  .recommend-card,
  .contact-panel {
    padding: 28px;
  }

  .contact-panel {
    gap: 26px;
  }

  .contact-consult {
    grid-template-columns: 1fr;
  }

  .qr-card {
    width: min(100%, 220px);
  }

  .content-card {
    padding: 28px;
  }

  .program-strip,
  .assistant-panel {
    padding: 28px;
  }

  .price-mark,
  .hero-price,
  .light-qr {
    width: 100%;
    min-width: 0;
  }

  .test-item {
    gap: 10px;
    padding: 24px 0;
  }

  .site-footer {
    display: block;
    width: min(100% - 28px, 1180px);
  }

  .site-footer p + p {
    margin-top: 8px;
  }
}