/* 谨恒协会 · 蓝金山峦。基础、组件、栏目、断点各集中定义一次。 */
:root {
  --navy: #092650;
  --deep: #061e39;
  --gold: #b9832f;
  --gold-dark: #94601e;
  --gold-light: #edca88;
  --blue-pale: #edf5fb;
  --paper: #fff;
  --ink: #243b55;
  --muted: #5e7082;
  --line: #dce5ed;
  --serif: "Noto Serif SC", "Source Han Serif SC", "Songti SC", "SimSun", serif;
  --sans: "Microsoft YaHei", "PingFang SC", sans-serif;
  --page-width: 1320px;
  --header-height: 80px;
}
* { box-sizing: border-box; }
html { scroll-padding-top: calc(var(--header-height) + 24px); }
body { margin: 0; background: var(--paper); color: var(--navy); font: 16px/1.9 var(--sans); -webkit-font-smoothing: antialiased; }
h1, h2, h3, p { margin: 0; }
h1, h2, h3 { font-family: var(--serif); line-height: 1.35; }
h2 { font-size: clamp(30px, 3.3vw, 46px); }
h3 { font-size: 24px; }
a { color: inherit; text-decoration: none; }
a:hover { color: var(--gold-dark); }
img { display: block; max-width: 100%; }
figure { margin: 0; }
button, input, select, textarea { font: inherit; }
button, a, input, select, textarea { -webkit-tap-highlight-color: transparent; }
button { cursor: pointer; }
button:disabled { cursor: default; opacity: .5; }
[hidden] { display: none !important; }
::selection { background: #ecdbb8; color: var(--navy); }
:where(a, button, input, select, textarea):focus-visible { outline: 3px solid var(--gold); outline-offset: 5px; }
.container, .footer-inner { width: 90.4%; max-width: var(--page-width); margin-inline: auto; }
.section { padding-block: clamp(60px, 6.5vw, 96px); }
.section-soft { background: #f5f8fb; }
.skip-link { position: fixed; top: 12px; left: 12px; z-index: 100; padding: 10px 18px; background: white; border: 2px solid var(--gold); transform: translateY(-150%); }
.skip-link:focus { transform: none; }
.sr-only { position: absolute; width: 1px; height: 1px; margin: -1px; padding: 0; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }
.ui-icon { width: 20px; height: 20px; display: inline-block; flex: 0 0 20px; vertical-align: middle; }

/* 页眉与基础操作。 */
.site-header { height: var(--header-height); position: sticky; top: 0; z-index: 30; background: #fff; border-bottom: 1px solid #e3e9ef; }
.header-inner { height: 100%; width: 86.8%; max-width: 1450px; margin-inline: auto; display: flex; align-items: center; justify-content: space-between; gap: 40px; }
.brand { position: relative; display: block; width: 226px; height: 60px; flex: 0 0 226px; overflow: hidden; background: #fff; }
.brand img { position: absolute; max-width: none; width: 280px; height: auto; top: -18px; left: -26px; }
.site-nav { display: flex; align-items: center; justify-content: space-between; gap: clamp(22px, 2.4vw, 38px); height: 100%; white-space: nowrap; font: 700 17px/1.5 var(--serif); letter-spacing: .06em; }
.site-nav a { height: 100%; display: flex; align-items: center; position: relative; }
.site-nav a::after { content: ""; position: absolute; left: 0; right: 0; bottom: 14px; height: 2px; background: var(--gold); transform: scaleX(0); transform-origin: left; }
.site-nav a[aria-current="page"]::after, .site-nav a:hover::after { transform: scaleX(1); }
.menu-toggle { display: none; padding: 12px; border: 0; background: transparent; }
.menu-toggle .ui-icon { width: 26px; height: 26px; }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 18px; min-height: 50px; padding: 11px 28px; border: 1px solid transparent; font: 700 17px/1.4 var(--serif); letter-spacing: .07em; }
.button-gold { color: var(--navy); border-color: #ddb56d; background: var(--gold-light); box-shadow: 0 3px 12px #0c274215; }
.button-gold:hover { background: #e6bd72; color: var(--navy); }
.button-outline { border-color: var(--navy); background: transparent; }
.button-outline:hover { color: #fff; background: var(--navy); }
.button-outline:hover .ui-icon { filter: invert(1); }
.text-link { display: inline-flex; align-items: center; gap: 15px; min-height: 44px; padding-block: 6px; border-bottom: 1px solid #bc8a39; font: 700 17px/1.5 var(--serif); }
.text-link .ui-icon { filter: invert(46%) sepia(80%) saturate(465%) hue-rotate(357deg) brightness(88%); }
.gold-rule::before { content: ""; display: block; width: 36px; height: 2px; margin-bottom: 14px; background: var(--gold); }
.eyebrow { margin-bottom: 12px; color: var(--muted); font: 12px/1.6 Georgia, serif; letter-spacing: .14em; }
.section-heading { display: flex; align-items: flex-end; justify-content: space-between; gap: 24px; margin-bottom: 38px; }
.section-heading:has(> .eyebrow) { display: block; }
.section-heading > p:not(.eyebrow) { margin-top: 20px; color: var(--muted); }
.lead { max-width: 38em; color: var(--muted); font-size: 18px; line-height: 1.95; }

/* 首页。图像是独立的真实资源，正文始终可读、可编辑。 */
.home-hero { position: relative; height: clamp(600px, 56.86vw, 1000px); overflow: hidden; }
.home-hero-image { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.hero-copy { position: relative; z-index: 1; padding: 11.4vw 0 0 6.65%; max-width: 1600px; }
.hero-copy h1 { color: #071f4b; font-size: clamp(68px, 7.55vw, 120px); line-height: 1.08; letter-spacing: .04em; }
.hero-mission { margin-top: 25px; font: 700 clamp(20px, 2.1vw, 30px)/1.5 var(--serif); letter-spacing: .13em; }
.hero-mission span { margin-inline: .2em; }
.hero-copy .button { margin-top: 5.7vw; min-height: 48px; }
.home-about { position: relative; height: clamp(280px, 24.64vw, 420px); overflow: hidden; }
.section-backdrop { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; pointer-events: none; }
.home-about .section-backdrop { object-position: center 30%; }
.home-about-copy { position: relative; padding: 2.7vw 4.8% 0; }
.home-about h2 { font-size: clamp(40px, 3.8vw, 57px); }
.home-about p { margin-top: 18px; color: var(--gold-dark); font: 700 clamp(24px, 2.4vw, 34px)/1.65 var(--serif); letter-spacing: .01em; }
.home-about .text-link { margin-top: 3.1vw; }
.home-history { display: grid; grid-template-columns: 18% 1fr; gap: 16px; height: clamp(154px, 12.3vw, 215px); padding: 2.05vw 4.8% 0; background: #eaf3fb; }
.home-history h2 { font-size: clamp(30px, 3.2vw, 48px); }
.home-timeline { display: grid; grid-template-columns: repeat(4, 1fr); list-style: none; margin: 17px 0 0; padding: 15px 0 0; border-top: 1px solid #c69847; text-align: center; font: 20px/1.75 var(--serif); }
.home-timeline li { position: relative; }
.home-timeline li::before { content: ""; position: absolute; left: calc(50% - 7px); top: -23px; width: 14px; height: 14px; border: 2px solid var(--gold); border-radius: 50%; background: #eaf3fb; }
.home-timeline a { display: block; padding-bottom: 15px; }
.home-timeline span { display: block; }
.timeline-year { margin-bottom: 3px; font-size: 21px; }
.home-cooperation { padding-block: 76px 86px; }
.home-cooperation h2 { font-size: 38px; }
.home-feature-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; }
.feature-label { margin-bottom: 22px; }
.feature-label h3 { font-size: 27px; }
.feature-label p { margin-top: 8px; color: var(--muted); font: 15px/1.8 var(--serif); letter-spacing: .06em; }
.feature-photo { position: relative; height: 320px; overflow: hidden; background: var(--navy); }
.feature-photo > img { width: 100%; height: 100%; object-fit: cover; }
.feature-caption { position: absolute; inset: auto 0 0; display: flex; align-items: center; justify-content: space-between; gap: 12px; min-height: 64px; padding: 16px 22px; background: #08264dea; color: #fff; font: 18px/1.65 var(--serif); }
.feature-caption .ui-icon { filter: invert(1); }
.welfare-photo-pair { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.welfare-photo-pair .feature-caption { padding: 15px 17px; font-size: 17px; }
.closing-banner { position: relative; overflow: hidden; background: var(--deep); padding-block: 74px 66px; text-align: center; color: #fff; }
.closing-banner .section-backdrop { object-position: center 75%; }
.closing-banner .container { position: relative; }
.closing-banner h2 { color: #edc58c; font-size: clamp(30px, 3vw, 46px); letter-spacing: .07em; }
.closing-banner p { margin-top: 18px; font: 18px/1.8 var(--serif); letter-spacing: .05em; }
.closing-banner .text-link { margin-top: 24px; color: #fff; font-size: 16px; }
.closing-banner a:hover, .activity-feature a:hover { color: #f3d4a0; }

/* 内页的共同框架与各栏目的内容编排。 */
.inner-hero { background: linear-gradient(110deg, #f1f6fa, #eaf2f8); overflow: hidden; border-bottom: 1px solid #e5edf2; }
.inner-hero > .container { min-height: 460px; display: grid; grid-template-columns: 1fr 1.2fr; align-items: center; gap: 64px; padding-block: 38px; }
.inner-hero-copy { padding-block: 35px; }
.inner-hero .eyebrow { color: var(--gold-dark); }
.inner-hero h1 { margin-bottom: 22px; font-size: clamp(40px, 4.3vw, 66px); letter-spacing: .025em; }
.inner-hero-copy .lead { max-width: 24em; }
.inner-hero-copy :is(.text-link, .button) { margin-top: 28px; }
.inner-hero-image { width: 100%; height: 370px; object-fit: cover; box-shadow: 0 12px 30px #12314b0c; }
.split-layout { display: grid; grid-template-columns: 1fr 1fr; align-items: center; gap: 72px; }
.split-layout > .section-heading { align-self: start; margin-bottom: 0; }
.editorial-copy > p { margin-top: 24px; color: var(--muted); }
.editorial-copy > p:first-child { margin-top: 0; }
.editorial-copy .culture-line { color: var(--navy); font: 700 32px/1.7 var(--serif); }
.editorial-copy > .text-link { margin-top: 25px; }
.section-photo { width: 100%; height: 390px; object-fit: cover; }
.value-grid { display: grid; grid-template-columns: repeat(5,1fr); margin-top: 40px; border-block: 1px solid var(--line); }
.value-grid:has(> .value-item:nth-child(4):last-child) { grid-template-columns: repeat(4,1fr); }
.value-grid:has(> .value-item:nth-child(3):last-child) { grid-template-columns: repeat(3,1fr); }
.value-item { padding: 32px 20px; text-align: center; border-right: 1px solid var(--line); }
.value-item:last-child { border-right: 0; }
.value-item h3, .value-label { color: var(--gold-dark); font: 700 25px/1.5 var(--serif); }
.value-item p { margin-top: 12px; font-size: 14px; color: var(--muted); }
.split-layout .value-grid { margin-top: 28px; }
.split-layout .value-item { padding: 26px 12px; }
.history-list { margin: 0; padding: 0; list-style: none; }
.history-item { display: grid; grid-template-columns: 180px 1fr; gap: 40px; padding: 28px 0; border-bottom: 1px solid var(--line); }
.history-item:first-child { padding-top: 0; }
.history-year { color: var(--gold-dark); font: 700 26px/1.6 var(--serif); }
.history-copy h3 { font-size: 24px; }
.history-copy p { margin-top: 9px; color: var(--muted); }
.service-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 24px; }
.service-card { padding: 32px; border: 1px solid #e1e8ee; border-top: 2px solid #c99c51; background: #f8fafc; }
.service-card-head { display: flex; align-items: baseline; gap: 18px; margin-bottom: 17px; }
.number, .welfare-number { color: var(--gold-dark); font: 30px/1.5 Georgia, serif; }
.service-card p { min-height: 58px; color: var(--muted); font-size: 15px; }
.service-card .text-link { margin-top: 23px; font-size: 16px; }
.process-list { display: grid; grid-template-columns: repeat(5,1fr); gap: 28px; margin: 30px 0 0; padding: 0; list-style: none; }
.process-item { padding-top: 24px; border-top: 1px solid #ceb27c; }
.process-item .number { font-size: 24px; }
.process-item h3 { margin-top: 14px; font-size: 22px; }
.process-item p { margin-top: 12px; color: var(--muted); font-size: 14px; }
.split-layout .process-list { grid-template-columns: 1fr; gap: 0; }
.split-layout .process-item { display: grid; grid-template-columns: 45px 1fr; gap: 20px; padding-block: 22px; border-color: var(--line); }
.split-layout .process-item h3 { margin: 0; }
.split-layout .process-item p { margin-top: 6px; }
.member-story { display: grid; grid-template-columns: 1.05fr 1fr; align-items: center; gap: 70px; }
.member-story .section-photo { height: 420px; }
.member-story .editorial-copy h2 { margin-bottom: 24px; }
.member-note { margin-top: 28px; font: 19px/1.8 var(--serif); letter-spacing: .05em; color: var(--gold-dark) !important; }
.member-path { display: grid; grid-template-columns: repeat(5,1fr); gap: 26px; margin: 38px 0 0; padding: 0; list-style: none; }
.path-step { padding-top: 25px; border-top: 2px solid #c99c51; }
.path-step h3 { margin-top: 16px; font-size: 22px; }
.path-step p { margin-top: 13px; font-size: 14px; color: var(--muted); }
.activity-feature { display: grid; grid-template-columns: 1.1fr 1fr; background: var(--navy); color: #fff; }
.activity-image { width: 100%; height: 400px; object-fit: cover; }
.activity-feature-copy { padding: 42px; align-self: center; }
.activity-feature-copy .number { color: #edc58c; font-size: 25px; }
.activity-feature-copy .activity-topic { margin-top: 16px; color: #edc58c; }
.activity-feature-copy h3 { margin-top: 12px; font-size: 29px; }
.activity-feature-copy > p:last-of-type { margin-top: 18px; color: #d8e3ed; }
.activity-feature-copy .text-link { margin-top: 25px; }
.activity-topic { color: var(--gold-dark); font-size: 13px; letter-spacing: .1em; }
.activity-grid { display: grid; grid-template-columns: repeat(3,1fr); margin-top: 36px; border-block: 1px solid var(--line); }
.activity-item { padding: 30px 26px; border-right: 1px solid var(--line); }
.activity-item:first-child { padding-left: 0; }
.activity-item:last-child { padding-right: 0; border-right: 0; }
.activity-item > .number { display: block; margin-bottom: 14px; font-size: 24px; }
.activity-item h3 { margin-top: 12px; font-size: 24px; }
.activity-item > p:last-child { margin-top: 14px; color: var(--muted); font-size: 15px; }
.welfare-grid { display: grid; grid-template-columns: 1fr; gap: 0; }
.welfare-item { display: grid; grid-template-columns: 50px 1fr; gap: 20px; padding-block: 24px; border-bottom: 1px solid var(--line); }
.welfare-item:first-child { padding-top: 0; }
.welfare-item h3 { margin-bottom: 9px; font-size: 24px; }
.welfare-item p { color: var(--muted); font-size: 15px; }
.welfare-visual { margin-top: 30px; }
.welfare-visual .section-photo { height: 370px; }
[data-page="public-welfare"] .process-list { grid-template-columns: repeat(3,1fr); gap: 34px 40px; }
.cta-section { padding: 65px 5%; text-align: center; background: #f7f5ef; border-top: 1px solid #e8e1d3; }
.cta-section h2 { font-size: 35px; }
.cta-section p { max-width: 720px; margin: 18px auto 27px; color: var(--muted); }

/* 合作咨询始终在浏览器本地整理。 */
.contact-layout { display: grid; grid-template-columns: .82fr 1.18fr; gap: 76px; align-items: start; }
.contact-intro { position: sticky; top: calc(var(--header-height) + 35px); }
.contact-intro h2 { font-size: 35px; }
.contact-intro > p:not(.eyebrow) { margin-top: 22px; color: var(--muted); }
.contact-panel { padding: 34px; background: #f4f7fa; border-top: 2px solid #c99c51; }
.contact-panel h3 { font-size: 25px; }
.contact-panel p { margin-top: 15px; }
.consultation-form { margin: 0; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; }
.field { display: flex; flex-direction: column; gap: 9px; min-width: 0; }
.field-full { grid-column: 1 / -1; }
.field label { color: var(--ink); font-size: 15px; }
.field input, .field select, .field textarea { width: 100%; min-width: 0; padding: 12px 13px; color: var(--navy); background: #fff; border: 1px solid #8594a5; border-radius: 0; font-size: 16px; line-height: 1.55; }
.field textarea { min-height: 150px; resize: vertical; }
.required-note { margin: 0 0 24px !important; color: var(--muted); font-size: 13px; }
.contact-note { margin-top: 20px; color: var(--muted); font-size: 13px; }
.form-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 15px; margin-top: 26px; }
.form-status { min-height: 27px; margin-top: 16px; font-size: 14px; }
.summary-panel { margin-top: 28px; padding-top: 25px; border-top: 1px solid #c8d7e3; }
.summary-panel h3 { font-size: 25px; }
.summary-panel textarea { width: 100%; min-height: 240px; margin-top: 20px; padding: 16px; color: var(--navy); background: #fff; border: 1px solid #8594a5; resize: vertical; font: 15px/1.9 var(--sans); }
.summary-panel .button { min-height: 46px; padding: 10px 22px; font-size: 16px; }

/* 全站统一页脚，保留原始标志的颜色和比例。 */
.site-footer { padding: 44px 0 26px; color: var(--navy); background: #fff; border-top: 1px solid #e3e9ef; font-size: 14px; }
.site-footer a:hover { color: var(--gold-dark); }
.footer-top { display: flex; align-items: center; justify-content: space-between; gap: 35px; padding-bottom: 26px; border-bottom: 1px solid #e3e9ef; }
.site-footer .brand { width: 204px; height: 54px; flex-basis: 204px; }
.site-footer .brand img { width: 250px; top: -17px; left: -23px; }
.footer-top nav { display: flex; flex-wrap: wrap; gap: 26px; }
.footer-top nav a { display: inline-flex; align-items: center; min-height: 44px; padding-block: 6px; }
.footer-bottom { display: flex; justify-content: space-between; gap: 20px; padding-top: 20px; color: var(--muted); font-size: 12px; }
.back-to-top { position: fixed; bottom: 28px; right: 26px; z-index: 25; display: flex; align-items: center; justify-content: center; width: 46px; height: 46px; padding: 0; border: 1px solid #c9a66d; border-radius: 2px; color: var(--navy); background: #fff; box-shadow: 0 3px 18px #0d2d4815; }

/* 三个响应式断点，组件只保留最终生效的规则。 */
@media (min-width: 1600px) {
  .hero-copy { padding-top: 150px; }
  .hero-copy .button { margin-top: 85px; }
  .home-about-copy { padding-top: 42px; }
  .home-about .text-link { margin-top: 50px; }
  .home-history { padding-top: 36px; }
}
@media (max-width: 1120px) {
  .header-inner { width: 90.4%; gap: 22px; }
  .brand { width: 200px; height: 56px; flex-basis: 200px; }
  .brand img { width: 250px; top: -16px; left: -24px; }
  .site-nav { gap: 20px; font-size: 16px; letter-spacing: 0; }
  .hero-copy { padding-top: 120px; }
  .hero-copy h1 { font-size: 80px; }
  .home-hero { height: 640px; }
  .hero-mission { font-size: 22px; }
  .home-about { height: 300px; }
  .home-about-copy { padding-top: 35px; }
  .home-about h2 { font-size: 39px; }
  .home-about p { font-size: 26px; }
  .home-about .text-link { margin-top: 32px; }
  .home-history { height: 165px; padding-top: 25px; grid-template-columns: 23% 1fr; }
  .home-history h2 { font-size: 32px; }
  .home-timeline, .timeline-year { font-size: 18px; }
  .inner-hero > .container, .split-layout, .member-story { gap: 40px; }
  .service-card { padding: 26px; }
  .contact-layout { gap: 40px; }
  .activity-feature-copy { padding: 30px; }
  .activity-feature-copy h3 { font-size: 25px; }
  .home-feature-grid { gap: 28px; }
  .welfare-photo-pair { gap: 12px; }
  .feature-caption { font-size: 16px; padding-inline: 17px; }
  .footer-top nav { gap: 22px; }
}
@media (max-width: 900px) {
  :root { --header-height: 76px; }
  .header-inner { width: 90%; }
  .menu-toggle { display: block; }
  .js .site-nav { display: none; position: absolute; inset: 76px 0 auto; height: auto; padding: 14px 5% 22px; background: #fff; box-shadow: 0 12px 20px #10243a18; grid-template-columns: 1fr 1fr; gap: 0; white-space: normal; font: 16px/1.5 var(--sans); }
  .js .site-nav.is-open { display: grid; }
  .js .site-nav a { height: auto; padding: 14px 15px; }
  .js .site-nav a[aria-current="page"] { background: #f8f1e4; color: var(--gold-dark); }
  .site-nav a::after { display: none; }
  html:not(.js) .site-header { height: auto; position: relative; }
  html:not(.js) .header-inner { flex-wrap: wrap; padding-top: 10px; }
  html:not(.js) .menu-toggle { display: none; }
  html:not(.js) .site-nav { height: auto; flex-wrap: wrap; gap: 14px; padding-bottom: 14px; font-size: 14px; }
  .home-hero { height: 610px; }
  .hero-copy { padding-top: 110px; }
  .hero-copy h1 { font-size: clamp(62px, 8.6vw, 78px); }
  .hero-mission { font-size: 20px; letter-spacing: .05em; }
  .hero-copy .button { margin-top: 50px; }
  .home-hero-image { object-position: 62% center; }
  .home-history { height: auto; max-height: none; grid-template-columns: 1fr; padding: 30px 5%; gap: 10px; }
  .home-timeline { margin-top: 20px; font-size: 17px; }
  .home-about .section-backdrop { object-position: 62% center; }
  .home-feature-grid { grid-template-columns: 1fr; gap: 38px; }
  .feature-photo { height: 300px; }
  .inner-hero > .container { gap: 30px; }
  .inner-hero h1 { font-size: 43px; }
  .inner-hero-image { height: 320px; }
  .inner-hero .lead { font-size: 16px; }
  .service-grid { grid-template-columns: 1fr 1fr; }
  .member-path, .process-list { grid-template-columns: repeat(3,1fr); gap: 30px; }
  .member-story { gap: 35px; }
  .member-story .section-photo { height: 380px; }
  .activity-feature { grid-template-columns: 1fr; }
  .activity-image { height: 360px; }
  .contact-layout { grid-template-columns: 1fr; }
  .contact-intro { position: static; }
  .footer-top { align-items: center; }
  .footer-top nav { display: grid; grid-template-columns: repeat(3, max-content); max-width: none; gap: 6px 24px; }
}
@media (max-width: 600px) {
  body { font-size: 15px; }
  h2 { text-wrap: balance; }
  .container, .footer-inner { width: 88%; }
  .section { padding-block: 52px; }
  .brand { width: 191px; height: 52px; flex-basis: 191px; }
  .brand img { width: 238px; top: -16px; left: -22px; }
  .home-hero { height: 660px; }
  .home-hero-image { object-position: 90% center; }
  .hero-copy { padding: 67px 6% 0; }
  .hero-copy h1 { font-size: clamp(50px, 14.35vw, 60px); line-height: 1.16; letter-spacing: .02em; }
  .hero-mission { margin-top: 23px; font-size: clamp(14px, 4.1vw, 16px); letter-spacing: .01em; white-space: nowrap; }
  .hero-mission span { margin-inline: .1em; }
  .hero-copy .button { margin-top: 36px; padding: 10px 22px; min-height: 46px; font-size: 16px; }
  .home-about { height: 290px; }
  .home-about-copy { padding: 28px 6% 0; }
  .home-about h2 { font-size: 31px; }
  .home-about p { max-width: 100%; margin-top: 16px; font-size: 20px; }
  .home-about .text-link { margin-top: 30px; }
  .home-about .section-backdrop { object-position: 68% center; }
  .gold-rule::before { width: 28px; margin-bottom: 11px; }
  .home-history { padding: 28px 6%; }
  .home-history h2 { font-size: 29px; }
  .home-timeline { grid-template-columns: 1fr 1fr; gap: 20px 18px; margin-top: 16px; padding: 0; border: 0; text-align: left; font-size: 16px; }
  .home-timeline li { border-top: 1px solid #c69847; padding-top: 14px; }
  .home-timeline li::before { left: 0; top: -6px; width: 11px; height: 11px; border-width: 2px; }
  .home-timeline a { padding-bottom: 0; }
  .timeline-year { font-size: 17px; }
  .section-heading { gap: 16px; margin-bottom: 28px; }
  .section-heading .text-link { margin-top: 32px; font-size: 14px; gap: 8px; white-space: nowrap; }
  .eyebrow { font-size: 10px; letter-spacing: .08em; }
  .home-cooperation { padding-block: 48px 54px; }
  .home-cooperation h2 { font-size: 31px; }
  .feature-label { margin-bottom: 16px; }
  .feature-label h3 { font-size: 25px; }
  .feature-label p { font-size: 14px; letter-spacing: .02em; }
  .feature-photo { height: 260px; }
  .welfare-photo-pair .feature-photo { height: 230px; }
  .welfare-photo-pair .feature-caption { min-height: 53px; padding: 12px; font-size: 16px; gap: 6px; }
  .welfare-photo-pair .ui-icon { width: 16px; height: 16px; flex-basis: 16px; }
  .closing-banner { padding-block: 47px; }
  .closing-banner h2 { font-size: 29px; letter-spacing: 0; }
  .closing-banner p { max-width: 290px; margin: 16px auto 0; font-size: 15px; line-height: 1.9; }
  .closing-banner p span { display: block; }
  .inner-hero > .container { width: 100%; min-height: 0; padding: 0; grid-template-columns: 1fr; gap: 0; }
  .inner-hero-copy { padding: 42px 6% 34px; }
  .inner-hero h1 { margin-bottom: 18px; font-size: 40px; }
  .inner-hero-image { height: 270px; }
  .inner-hero-copy .lead { max-width: none; }
  .split-layout, .member-story { grid-template-columns: 1fr; gap: 30px; }
  .section-photo, .member-story .section-photo { height: 280px; }
  .editorial-copy .culture-line { font-size: 29px; }
  .editorial-copy > p { margin-top: 18px; }
  .value-grid { grid-template-columns: repeat(3,1fr); margin-top: 30px; }
  .value-grid:has(> .value-item:nth-child(4):last-child) { grid-template-columns: 1fr 1fr; }
  .value-grid:has(> .value-item:nth-child(3):last-child) { grid-template-columns: 1fr; }
  .value-item { padding: 23px 12px; border-bottom: 1px solid var(--line); }
  .value-grid:has(> .value-item:nth-child(3):last-child) .value-item { text-align: left; border-right: 0; }
  .value-label, .value-item h3 { font-size: 23px; }
  .history-item { grid-template-columns: 1fr; gap: 9px; padding-block: 25px; }
  .history-year { font-size: 24px; }
  .history-copy h3 { font-size: 22px; }
  .history-copy p { font-size: 14px; }
  .service-grid { grid-template-columns: 1fr; gap: 18px; }
  .service-card { padding: 27px; }
  .service-card p { min-height: 0; }
  .process-list, .member-path, [data-page="public-welfare"] .process-list { grid-template-columns: 1fr 1fr; gap: 27px 20px; }
  .path-step h3, .process-item h3 { font-size: 20px; }
  .path-step p, .process-item p { font-size: 13px; }
  .member-note { font-size: 17px; }
  .activity-image { height: 270px; }
  .activity-feature-copy { padding: 28px; }
  .activity-feature-copy h3 { font-size: 24px; }
  .activity-grid { grid-template-columns: 1fr; margin-top: 26px; }
  .activity-item, .activity-item:first-child, .activity-item:last-child { padding: 28px 0; border-right: 0; border-bottom: 1px solid var(--line); }
  .activity-item:last-child { border-bottom: 0; }
  .activity-item h3 { font-size: 23px; }
  .welfare-visual { margin-top: 25px; }
  .welfare-visual .section-photo { height: 280px; }
  .welfare-item h3 { font-size: 23px; }
  .cta-section { padding: 45px 6%; }
  .cta-section .container { width: 100%; }
  .cta-section h2 { font-size: 29px; }
  .cta-section p { margin: 16px auto 25px; }
  .contact-layout { gap: 30px; }
  .contact-intro h2 { font-size: 31px; }
  .contact-panel { padding: 26px 23px; }
  .form-grid { grid-template-columns: 1fr; gap: 20px; }
  .form-actions .button-gold { width: 100%; }
  .summary-panel .form-actions { gap: 12px; }
  .summary-panel .button { padding-inline: 17px; }
  .site-footer { padding-block: 36px 24px; }
  .footer-top { flex-direction: column; align-items: flex-start; gap: 24px; }
  .site-footer .brand { flex: none; }
  .footer-top nav { width: 100%; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 6px 16px; font-size: 14px; }
  .footer-bottom { flex-direction: column; gap: 8px; font-size: 12px; }
  .text-link { font-size: 16px; }
  .back-to-top { bottom: max(20px, env(safe-area-inset-bottom)); right: 17px; width: 44px; height: 44px; }
}

/* 八栏目导航，在平板横屏保留清楚的点击间距。 */
@media (min-width: 901px) and (max-width: 1100px) {
  .header-inner { gap: 18px; }
  .site-header .brand { width: 190px; flex-basis: 190px; height: 54px; }
  .site-header .brand img { width: 240px; top: -15px; left: -23px; }
  .site-nav { gap: 14px; font-size: 14px; }
}
@media (min-width: 1101px) and (max-width: 1200px) {
  .header-inner { width: 90.4%; gap: 22px; }
  .site-header .brand { width: 200px; flex-basis: 200px; height: 56px; }
  .site-header .brand img { width: 250px; top: -16px; left: -24px; }
  .site-nav { gap: 18px; font-size: 16px; letter-spacing: 0; }
}