/* ============================================================
   苏州原创读行学堂 · 首页专属样式 v3
   风格：江南文艺 × 现代排版（宣纸底 / 墨色字 / 黛青主 / 朱砂点）
   ============================================================ */
/* 文艺设计令牌定义在 style.css（全局共用），此处不再重复声明 */

body.home { background: var(--paper); }

/* 让首页与内页统一的容器宽度略宽一些 */
.container.wide { max-width: 1200px; }

/* ============================================================
   1. 头部：Hero 上透明，滚动后毛玻璃
   ============================================================ */
.site-header.on-hero {
  /* 与 Hero 天空顶部同色，保证透明态与首屏无缝衔接 */
  background: linear-gradient(180deg, #f9f5ed 0%, #f7f3ea 100%); border-bottom-color: transparent;
  transition: background .4s ease, border-color .4s ease, box-shadow .4s ease;
}
.site-header.on-hero .logo { color: var(--ink); }
.site-header.on-hero .nav a { color: var(--ink-2); }
.site-header.on-hero .nav a:hover { color: var(--jade); background: rgba(44, 110, 99, .08); }
.site-header.on-hero .nav a.active { color: var(--jade); background: rgba(44, 110, 99, .1); }

/* ============================================================
   2. Hero：沉浸式江南山水（多层视差）
   ============================================================ */
.hero-v2 {
  position: relative; min-height: 720px; min-height: calc(100svh - 72px);
  display: flex; align-items: center;
  overflow: hidden; background: linear-gradient(180deg, #f8f4ec 0%, #efece2 38%, #dfe7e2 72%, #d2dcd8 100%);
}
.hv-layer { position: absolute; inset: 0; pointer-events: none; }
.hv-layer svg { width: 100%; height: 100%; display: block; }
.hv-sky {
  position: absolute; inset: 0;
  background: linear-gradient(180deg, #f9f5ed 0%, #f4f0e4 30%, #eceade 55%, #e2e9e3 78%, #d7e0da 100%);
  background-size: cover; background-position: center;
}
/* 朝阳 */
.hv-sun {
  position: absolute; width: 260px; height: 260px; border-radius: 50%;
  background: radial-gradient(circle, rgba(240, 178, 106, .55) 0%, rgba(240, 178, 106, .22) 42%, rgba(240, 178, 106, 0) 70%);
  top: 12%; right: 16%; filter: blur(2px); animation: sunBreath 11s ease-in-out infinite;
}
@keyframes sunBreath { 0%,100% { transform: scale(1); opacity: .85; } 50% { transform: scale(1.12); opacity: 1; } }

/* 云带缓慢漂移（外层做视差，内层做动画，避免 transform 冲突） */
.hv-cloud { position: absolute; opacity: .5; will-change: transform; }
.hv-cloud .hc { will-change: transform; height: 60px; }
.hv-cloud svg { width: 100%; height: 100%; display: block; }
.hv-cloud.c1 { top: 13%; left: 0; width: 46%; }
.hv-cloud.c2 { top: 26%; left: 0; width: 62%; opacity: .34; }
.hv-cloud.c1 .hc { animation: driftOne 62s linear infinite; }
.hv-cloud.c2 .hc { animation: driftOne 92s linear infinite; animation-delay: -26s; }
@keyframes driftOne { from { transform: translateX(-30vw); } to { transform: translateX(112vw); } }

/* 远/中/近山（底部对齐，按百分比高度分层） */
.hv-mt { position: absolute; left: -4%; right: -4%; top: auto; bottom: 0; will-change: transform; }
.hv-mt-far  { height: 80%; }
.hv-mt-mid  { height: 66%; }
.hv-mt-near { height: 54%; }
.hv-water   { height: 34%; }
/* 小舟（外层视差，内层航行动画） */
.hv-boat { position: absolute; bottom: 14%; left: 0; width: 128px; will-change: transform; opacity: .92; }
.hv-boat .hb { animation: boatSail 84s linear infinite; }
.hv-boat svg { width: 100%; height: auto; display: block; }
@keyframes boatSail { from { transform: translateX(-10vw); } to { transform: translateX(112vw); } }
/* 水面波光 */
.hv-shimmer { position: absolute; left: 0; right: 0; bottom: 0; height: 26%; overflow: hidden; }
.hv-shimmer i {
  position: absolute; height: 1px; border-radius: 1px;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,.85), transparent);
  animation: shimmer 7s ease-in-out infinite;
}
@keyframes shimmer { 0%,100% { opacity: 0; transform: translateX(-40px); } 45% { opacity: .9; } }

/* 内容层 */
.hv-content {
  position: relative; z-index: 5; width: 100%;
  padding: 150px 0 110px;
}
.hv-inner { max-width: 620px; }
.hv-eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  font-size: 12px; letter-spacing: .32em; color: var(--jade); font-weight: 700;
  padding: 6px 16px 6px 12px; border-radius: 999px;
  background: rgba(44, 110, 99, .07); border: 1px solid rgba(44, 110, 99, .16); margin-bottom: 26px;
}
.hv-eyebrow::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--cinnabar); }
.hv-title {
  font-family: var(--serif); font-size: clamp(42px, 6.4vw, 78px); font-weight: 700;
  color: var(--ink); line-height: 1.14; letter-spacing: .06em; margin-bottom: 8px;
}
.hv-title span { display: block; }
.hv-title span:nth-child(2) { padding-left: .55em; color: var(--jade-d); }
.hv-title .dot { color: var(--cinnabar); }
.hv-sub {
  font-size: 16.5px; line-height: 2; color: var(--ink-2); margin-top: 22px; max-width: 500px;
}
.hv-sub b { color: var(--jade-d); font-weight: 700; }
.hv-actions { margin-top: 38px; display: flex; gap: 14px; flex-wrap: wrap; align-items: center; }
.btn-jade {
  display: inline-flex; align-items: center; gap: 9px;
  background: var(--jade); color: #fff; padding: 14px 30px; border-radius: 6px;
  font-size: 15px; font-weight: 600; transition: .28s;
}
.btn-jade:hover { background: var(--jade-d); transform: translateY(-2px); }
.btn-line {
  display: inline-flex; align-items: center; gap: 9px;
  border: 1.5px solid rgba(31, 35, 40, .22); color: var(--ink);
  padding: 13px 28px; border-radius: 6px; font-size: 15px; font-weight: 600; transition: .28s;
}
.btn-line:hover { border-color: var(--jade); color: var(--jade); background: rgba(44, 110, 99, .05); }

/* 竖排诗句 */
.hv-poem {
  position: absolute; right: 52px; top: 50%; transform: translateY(-50%); z-index: 5;
  writing-mode: vertical-rl; font-family: var(--serif); font-size: 21px; letter-spacing: .38em;
  color: rgba(31, 35, 40, .34); line-height: 2.1; user-select: none;
}
.hv-poem::after {
  content: ""; width: 1px; height: 78px; background: linear-gradient(180deg, rgba(194, 80, 60, .5), transparent);
  display: block; margin: 20px auto 0;
}
/* 滚动提示 */
.hv-scroll {
  position: absolute; left: 50%; bottom: 34px; transform: translateX(-50%); z-index: 6;
  display: flex; flex-direction: column; align-items: center; gap: 9px;
  font-size: 10.5px; letter-spacing: .3em; color: rgba(31, 35, 40, .45);
}
.hv-scroll i { display: block; width: 1px; height: 46px; background: rgba(31, 35, 40, .2); position: relative; overflow: hidden; }
.hv-scroll i::after {
  content: ""; position: absolute; top: -46px; left: 0; width: 1px; height: 46px;
  background: linear-gradient(180deg, transparent, var(--jade)); animation: scrollRun 2.1s ease-in-out infinite;
}
@keyframes scrollRun { 0% { top: -46px; } 60%,100% { top: 46px; } }

/* ============================================================
   3. 引言带（大留白）
   ============================================================ */
.quote-band { padding: 120px 0 108px; text-align: center; position: relative; }
.quote-band::before {
  content: " "; position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%);
  font-family: var(--serif); font-size: 300px; color: rgba(44, 110, 99, .045); line-height: 1; z-index: 0;
}
.qb-inner { position: relative; z-index: 1; }
.quote-text {
  font-family: var(--serif); font-size: clamp(24px, 3.4vw, 38px); color: var(--ink);
  letter-spacing: .1em; line-height: 1.85; max-width: 760px; margin: 0 auto;
}
.quote-sub { margin-top: 22px; font-size: 14.5px; letter-spacing: .22em; color: var(--mute-2); }
.qb-line { width: 56px; height: 1px; background: var(--cinnabar); margin: 34px auto 0; opacity: .6; }

/* ============================================================
   4. 数据带（宣纸质感）
   ============================================================ */
.stats-band { padding: 0 0 20px; }
.stats-paper {
  background: #fff; border: 1px solid var(--line-2); border-radius: 4px;
  display: grid; grid-template-columns: repeat(4, 1fr); position: relative; overflow: hidden;
}
.stats-paper::before {
  content: ""; position: absolute; inset: 0; pointer-events: none; opacity: .5;
  background-image: radial-gradient(rgba(31, 35, 40, .04) 1px, transparent 1px); background-size: 6px 6px;
}
.stat-v2 { padding: 46px 20px; text-align: center; position: relative; z-index: 1; }
.stat-v2 + .stat-v2::before { content: ""; position: absolute; left: 0; top: 26%; bottom: 26%; width: 1px; background: var(--line-2); }
.stat-v2 b {
  display: block; font-family: var(--serif); font-size: 46px; font-weight: 700;
  color: var(--jade-d); line-height: 1.1; letter-spacing: .02em;
}
.stat-v2 span { display: block; margin-top: 10px; font-size: 13px; letter-spacing: .16em; color: var(--mute-2); }

/* ============================================================
   5. 通用小标题（文艺版）
   ============================================================ */
.sec-head { text-align: center; margin-bottom: 54px; position: relative; }
.sec-head .sh-en {
  font-size: 11.5px; letter-spacing: .42em; color: var(--cinnabar); font-weight: 700; margin-bottom: 14px;
}
.sec-head h2 {
  font-family: var(--serif); font-size: clamp(26px, 3.2vw, 36px); font-weight: 700;
  color: var(--ink); letter-spacing: .14em; line-height: 1.4;
}
.sec-head .sh-desc { margin-top: 16px; font-size: 15px; color: var(--mute-2); letter-spacing: .04em; }
.sec-head .sh-rule { width: 40px; height: 1px; background: var(--line-2); margin: 22px auto 0; position: relative; }
.sec-head .sh-rule::after { content: ""; position: absolute; left: 50%; top: -2px; width: 5px; height: 5px; margin-left: -2.5px; background: var(--jade); border-radius: 50%; }

/* ============================================================
   6. 板块场景卡（含插画）
   ============================================================ */
.cat-grid-v2 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.cat-card-v2 {
  display: block; background: #fff; border: 1px solid var(--line-2); border-radius: 4px; overflow: hidden;
  transition: transform .45s cubic-bezier(.2,.7,.3,1), box-shadow .45s; position: relative;
}
.cat-card-v2:hover { transform: translateY(-6px); box-shadow: 0 8px 22px rgba(31, 35, 40, .08); }
.cat-scene { height: 168px; overflow: hidden; position: relative; background: var(--jade-ll); }
.cat-scene svg { width: 100%; height: 100%; display: block; transition: transform .9s cubic-bezier(.2,.7,.3,1); }
.cat-card-v2:hover .cat-scene svg { transform: scale(1.06); }
.cat-scene img { width: 100%; height: 100%; object-fit: cover; transition: transform .9s; }
.cat-card-v2:hover .cat-scene img { transform: scale(1.06); }
.cat-no {
  position: absolute; top: 14px; left: 16px; z-index: 2; font-family: var(--serif);
  font-size: 13px; letter-spacing: .2em; color: rgba(255, 255, 255, .92);
  text-shadow: 0 2px 8px rgba(0, 0, 0, .3);
}
.cat-body { padding: 24px 22px 26px; }
.cat-body h3 {
  font-family: var(--serif); font-size: 20px; font-weight: 700; color: var(--ink);
  letter-spacing: .1em; margin-bottom: 10px;
}
.cat-body h3::after {
  content: ""; display: block; width: 22px; height: 2px; background: var(--cinnabar);
  margin-top: 12px; opacity: .75; transition: width .35s;
}
.cat-card-v2:hover .cat-body h3::after { width: 46px; }
.cat-body p { font-size: 13.5px; line-height: 1.95; color: var(--ink-2); min-height: 78px; margin-top: 4px; }
.cat-more {
  display: inline-flex; align-items: center; gap: 8px; margin-top: 16px;
  font-size: 13.5px; color: var(--jade); font-weight: 600; letter-spacing: .06em;
}
.cat-more .arw { transition: transform .3s; }
.cat-card-v2:hover .cat-more .arw { transform: translateX(5px); }

/* ============================================================
   7. 影像志（马赛克画廊）
   ============================================================ */
.gallery-sec { background: var(--paper-2); }
.mosaic {
  display: grid; grid-template-columns: repeat(4, 1fr); grid-auto-rows: 168px; gap: 14px;
  margin-bottom: 34px;
}
.m-item {
  position: relative; overflow: hidden; border-radius: 3px; background: var(--jade-l);
  cursor: pointer;
}
.m-item:nth-child(1) { grid-column: span 2; grid-row: span 2; }
.m-item:nth-child(2) { grid-column: span 2; grid-row: span 1; }
.m-item:nth-child(3) { grid-column: span 1; grid-row: span 1; }
.m-item:nth-child(4) { grid-column: span 1; grid-row: span 1; }
.m-item:nth-child(5) { grid-column: span 2; grid-row: span 1; }
.m-item:nth-child(6) { grid-column: span 1; grid-row: span 1; }
.m-item:nth-child(7) { grid-column: span 1; grid-row: span 1; }
.m-item svg { width: 100%; height: 100%; display: block; transition: transform 1s cubic-bezier(.2,.7,.3,1); }
.m-item img { width: 100%; height: 100%; object-fit: cover; transition: transform 1s cubic-bezier(.2,.7,.3,1); }
.m-item:hover svg, .m-item:hover img { transform: scale(1.07); }
.m-cap {
  position: absolute; left: 0; right: 0; bottom: 0; padding: 34px 18px 16px;
  background: linear-gradient(180deg, transparent, rgba(31, 35, 40, .72));
  color: #fff; font-size: 14px; letter-spacing: .1em; opacity: 0; transform: translateY(10px);
  transition: .4s;
}
.m-item:hover .m-cap { opacity: 1; transform: none; }
.m-cap small { display: block; font-size: 11px; letter-spacing: .2em; opacity: .7; margin-top: 4px; }

/* ============================================================
   8. 研学历程时间轴
   ============================================================ */
.journey-sec { background: #fff; }
.journey {
  display: grid; grid-template-columns: repeat(5, 1fr); gap: 0; position: relative; margin-top: 8px;
}
.journey::before {
  content: ""; position: absolute; left: 8%; right: 8%; top: 27px; height: 1px;
  background: repeating-linear-gradient(90deg, var(--line-2) 0 6px, transparent 6px 12px);
}
.j-step { text-align: center; padding: 0 14px; position: relative; }
.j-node {
  width: 55px; height: 55px; margin: 0 auto 20px; border-radius: 50%; background: #fff;
  border: 1.5px solid var(--line-2); display: flex; align-items: center; justify-content: center;
  position: relative; z-index: 2; transition: .4s;
}
.j-node svg { width: 26px; height: 26px; }
.j-step:hover .j-node { border-color: var(--jade); background: var(--jade-ll); transform: translateY(-4px); }
.j-time { font-size: 11.5px; letter-spacing: .2em; color: var(--cinnabar); font-weight: 700; margin-bottom: 8px; }
.j-step h4 { font-family: var(--serif); font-size: 17px; color: var(--ink); letter-spacing: .1em; margin-bottom: 8px; }
.j-step p { font-size: 13px; line-height: 1.9; color: var(--mute-2); }

/* ============================================================
   9. 四季主题
   ============================================================ */
.seasons-sec { background: var(--paper); }
.season-stage {
  display: grid; grid-template-columns: 1fr 1fr; gap: 0; border: 1px solid var(--line-2);
  border-radius: 4px; overflow: hidden; background: #fff;
}
.season-visual { position: relative; min-height: 380px; overflow: hidden; background: var(--jade-ll); transition: opacity .28s ease; }
.season-visual svg { width: 100%; height: 100%; display: block; position: absolute; inset: 0; }
.season-tabs { display: flex; flex-direction: column; }
.season-tab {
  flex: 1; padding: 24px 34px; border: none; border-bottom: 1px solid var(--line-2); background: transparent;
  text-align: left; cursor: pointer; transition: .3s; position: relative; font-family: inherit;
  display: flex; align-items: center; gap: 18px;
}
.season-tab:last-child { border-bottom: none; }
.season-tab .st-key { font-family: var(--serif); font-size: 22px; color: var(--mute-2); letter-spacing: .1em; transition: .3s; width: 30px; flex: none; }
.season-tab .st-txt h4 { font-size: 16px; color: var(--ink); font-weight: 700; letter-spacing: .06em; margin-bottom: 3px; }
.season-tab .st-txt p { font-size: 12.5px; color: var(--mute-2); }
.season-tab:hover { background: var(--jade-ll); }
.season-tab.on { background: #fff; box-shadow: inset 3px 0 0 var(--jade); }
.season-tab.on .st-key { color: var(--jade); }
.season-tab.on .st-txt h4 { color: var(--jade-d); }

/* ============================================================
   10. 服务流程
   ============================================================ */
.process-sec { background: #fff; }
.proc-grid { display: grid; grid-template-columns: repeat(6, 1fr); gap: 0; position: relative; }
.proc-item { padding: 0 16px; text-align: center; position: relative; }
.proc-item + .proc-item::before {
  content: ""; position: absolute; left: 0; top: 26px; width: 100%; height: 1px;
  background: repeating-linear-gradient(90deg, var(--line-2) 0 4px, transparent 4px 10px);
  transform: translateX(-50%);
}
.proc-no {
  font-family: var(--serif); font-size: 34px; color: var(--line-2); line-height: 1;
  position: relative; z-index: 1; display: inline-block; background: #fff; padding: 0 8px; transition: .35s;
}
.proc-item:hover .proc-no { color: var(--jade); transform: translateY(-2px); }
.proc-item h4 { font-size: 15px; color: var(--ink); font-weight: 700; margin: 14px 0 8px; letter-spacing: .06em; }
.proc-item p { font-size: 12.5px; color: var(--mute-2); line-height: 1.85; }

/* ============================================================
   11. 最新动态（杂志式排版）
   ============================================================ */
.news-sec { background: var(--paper-2); }
.news-mag { display: grid; grid-template-columns: 1.35fr 1fr; gap: 26px; }
.news-lead {
  background: #fff; border: 1px solid var(--line-2); border-radius: 4px; overflow: hidden;
  display: flex; flex-direction: column; transition: .4s;
}
.news-lead:hover { transform: translateY(-4px); box-shadow: 0 8px 22px rgba(31, 35, 40, .07); }
.news-lead .nl-cover { height: 300px; overflow: hidden; background: var(--jade-l); position: relative; }
.news-lead .nl-cover svg, .news-lead .nl-cover img { width: 100%; height: 100%; display: block; object-fit: cover; transition: transform 1s; }
.news-lead:hover .nl-cover svg, .news-lead:hover .nl-cover img { transform: scale(1.05); }
.nl-body { padding: 28px 30px 30px; flex: 1; display: flex; flex-direction: column; }
.nl-tag {
  display: inline-block; font-size: 11.5px; letter-spacing: .16em; color: var(--jade);
  background: var(--jade-ll); padding: 4px 12px; border-radius: 2px; align-self: flex-start; font-weight: 700;
}
.nl-body h3 { font-family: var(--serif); font-size: 22px; color: var(--ink); letter-spacing: .06em; line-height: 1.6; margin: 14px 0 12px; }
.nl-body p { font-size: 14px; color: var(--ink-2); line-height: 2; flex: 1; }
.nl-meta { margin-top: 20px; padding-top: 16px; border-top: 1px solid var(--line-2); font-size: 12.5px; color: var(--mute-2); display: flex; justify-content: space-between; }
.news-side { display: flex; flex-direction: column; gap: 14px; }
.news-mini {
  background: #fff; border: 1px solid var(--line-2); border-radius: 4px; padding: 18px 20px;
  display: flex; gap: 16px; align-items: flex-start; transition: .35s; flex: 1;
}
.news-mini:hover { border-color: var(--jade); transform: translateX(4px); }
.news-mini .nm-thumb { width: 76px; height: 62px; flex: none; border-radius: 3px; overflow: hidden; background: var(--jade-l); }
.news-mini .nm-thumb svg, .news-mini .nm-thumb img { width: 100%; height: 100%; object-fit: cover; display: block; }
.news-mini h4 { font-size: 14.5px; color: var(--ink); font-weight: 600; line-height: 1.65; margin-bottom: 6px; }
.news-mini .nm-meta { font-size: 11.5px; color: var(--mute-2); display: flex; gap: 12px; }
.news-mini .nm-meta .t { color: var(--jade); }

/* ============================================================
   12. 关于我们
   ============================================================ */
.about-sec { background: #fff; }
.about-v2 { display: grid; grid-template-columns: 1.05fr 1fr; gap: 60px; align-items: center; }
.about-v2-text > .sec-head { text-align: left; margin-bottom: 30px; }
.about-v2-text > .sec-head .sh-rule { margin-left: 0; }
.about-v2-text p { font-size: 15px; line-height: 2.15; color: var(--ink-2); margin-bottom: 16px; }
.about-v2-text p.lead { font-family: var(--serif); font-size: 18px; color: var(--ink); letter-spacing: .06em; line-height: 1.95; }
.about-pillars { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-top: 32px; }
.pillar { padding: 20px 18px; background: var(--paper); border: 1px solid var(--line-2); border-radius: 3px; transition: .35s; }
.pillar:hover { background: var(--jade-ll); border-color: rgba(44, 110, 99, .25); transform: translateY(-4px); }
.pillar b { display: block; font-family: var(--serif); font-size: 15.5px; color: var(--jade-d); letter-spacing: .1em; margin-bottom: 7px; }
.pillar span { font-size: 12.5px; color: var(--ink-2); line-height: 1.85; }
.about-v2-img { position: relative; }
.about-v2-img .av-frame {
  border-radius: 4px; overflow: hidden; min-height: 400px; background: var(--jade-l);
  position: relative;
}
.about-v2-img .av-frame svg, .about-v2-img .av-frame img { width: 100%; height: 100%; object-fit: cover; display: block; min-height: 400px; }
.av-badge {
  position: absolute; left: -26px; bottom: -26px; background: var(--jade); color: #fff;
  padding: 22px 26px; border-radius: 3px;
}
.av-badge b { display: block; font-family: var(--serif); font-size: 30px; line-height: 1.1; }
.av-badge span { font-size: 11.5px; letter-spacing: .18em; opacity: .85; }

/* ============================================================
   13. CTA
   ============================================================ */
.cta-sec { position: relative; overflow: hidden; background: var(--jade-d); color: #fff; }
.cta-sec .cta-bg { position: absolute; inset: 0; opacity: .5; }
.cta-sec .cta-bg svg { width: 100%; height: 100%; display: block; }
.cta-inner { position: relative; z-index: 2; padding: 92px 0 96px; text-align: center; }
.cta-inner .sh-en { color: rgba(255, 255, 255, .62); }
.cta-inner h2 { font-family: var(--serif); font-size: clamp(24px, 3.2vw, 36px); letter-spacing: .16em; margin-bottom: 18px; }
.cta-inner p { font-size: 15px; opacity: .82; line-height: 2.1; max-width: 620px; margin: 0 auto; }
.cta-acts { margin-top: 36px; display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }
.btn-paper { background: var(--paper); color: var(--jade-d); padding: 14px 32px; border-radius: 6px; font-weight: 700; font-size: 15px; transition: .28s; display: inline-block; }
.btn-paper:hover { transform: translateY(-2px); }
.btn-ghost-w { border: 1.5px solid rgba(255, 255, 255, .45); color: #fff; padding: 13px 30px; border-radius: 6px; font-weight: 600; transition: .28s; display: inline-block; }
.btn-ghost-w:hover { background: rgba(255, 255, 255, .12); border-color: #fff; }

/* ============================================================
   14. 页脚（文艺版）
   ============================================================ */
.site-footer.home-footer { background: #1a1d20; margin-top: 0; }
.home-footer .footer-top {
  display: grid; grid-template-columns: 1.6fr 1fr 1fr 1.1fr; gap: 40px;
  padding: 66px 0 44px; border-bottom: 1px solid rgba(255, 255, 255, .07);
}
.home-footer .ft-brand .ft-logo { display: flex; align-items: center; gap: 12px; margin-bottom: 18px; }
.home-footer .ft-brand h4 { color: #fff; font-family: var(--serif); font-size: 19px; letter-spacing: .12em; margin: 0; }
.home-footer .ft-brand .ft-slogan { font-family: var(--serif); font-size: 14px; color: var(--amber); letter-spacing: .2em; margin-bottom: 14px; }
.home-footer .ft-brand p { font-size: 13px; color: #8d979d; line-height: 2; }
.home-footer h5 { color: #fff; font-size: 14px; font-weight: 700; letter-spacing: .12em; margin-bottom: 18px; }
.home-footer ul { list-style: none; }
.home-footer li { font-size: 13px; color: #8d979d; margin-bottom: 11px; line-height: 1.7; }
.home-footer li a { color: #8d979d; transition: .25s; }
.home-footer li a:hover { color: var(--amber); padding-left: 4px; }
.home-footer .ft-contact li { display: flex; gap: 9px; }
.home-footer .ft-contact em { font-style: normal; color: var(--amber); flex: none; }
.home-footer .copyright { padding: 22px 0 0; text-align: center; font-size: 12px; color: #5f6a70; letter-spacing: .06em; }

/* ============================================================
   15. 响应式
   ============================================================ */
@media (max-width: 1080px) {
  .cat-grid-v2 { grid-template-columns: repeat(2, 1fr); }
  .proc-grid { grid-template-columns: repeat(3, 1fr); gap: 34px 0; }
  .proc-item + .proc-item::before { display: none; }
  .journey { grid-template-columns: repeat(3, 1fr); gap: 38px 0; }
  .journey::before { display: none; }
  .home-footer .footer-top { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 900px) {
  .stats-paper { grid-template-columns: repeat(2, 1fr); }
  .stat-v2:nth-child(3)::before, .stat-v2:nth-child(2n+1)::before { display: none; }
  .stat-v2:nth-child(n+3) { border-top: 1px solid var(--line-2); }
  .mosaic { grid-template-columns: repeat(2, 1fr); grid-auto-rows: 140px; }
  .m-item:nth-child(n) { grid-column: span 1; grid-row: span 1; }
  .m-item:nth-child(1) { grid-column: span 2; grid-row: span 2; }
  .news-mag { grid-template-columns: 1fr; }
  .about-v2 { grid-template-columns: 1fr; gap: 40px; }
  .about-pillars { grid-template-columns: 1fr; }
  .season-stage { grid-template-columns: 1fr; }
  .season-visual { min-height: 240px; }
  .about-v2-img .av-frame, .about-v2-img .av-frame img, .about-v2-img .av-frame svg { min-height: 280px; }
  .av-badge { left: auto; right: 18px; bottom: -20px; }
}
@media (max-width: 680px) {
  .hv-poem { display: none; }
  .hv-content { padding: 120px 0 90px; }
  .cat-grid-v2 { grid-template-columns: 1fr; }
  .journey { grid-template-columns: 1fr; gap: 32px; }
  .j-node { margin-bottom: 12px; }
  .proc-grid { grid-template-columns: repeat(2, 1fr); }
  .quote-band { padding: 76px 0 70px; }
  .quote-band::before { font-size: 180px; }
  .home-footer .footer-top { grid-template-columns: 1fr; gap: 30px; }
  .stat-v2 b { font-size: 36px; }
  .season-tab { padding: 18px 22px; }
}

/* 尊重系统减少动画偏好 */
@media (prefers-reduced-motion: reduce) {
  .hv-cloud, .hv-boat, .hv-sun, .hv-scroll i::after, .hv-shimmer i { animation: none !important; }
  .reveal { opacity: 1; transform: none; transition: none; }
}