/* 龚红仁个人页：便当格版式（design/gong-page-layout.md 第二版，配色 A「纸与年轮蓝」）。
   只在成员个人页 members/<id>.html 加载；颜色、字体沿用 site.css 的 token，只新增四档年轮蓝浅色。 */
.gb {
  --gb-tile: #fbfaf7; --gb-tile-hover: #ffffff; --gb-surface: var(--color-surface);
  --gb-blue-1: #e6ecf6; --gb-blue-2: #d6e1f1; --gb-blue-3: #c6d5ea; --gb-blue-ink: #163d7a; --gb-blue-label: #3d5577;
  --gb-open-num: #a9c0e3; --gb-open-line: #3a3f42; --gb-open-sub: #b3b7b8;
  --gb-r: 20px; --gb-gap: 12px; --gb-ease: cubic-bezier(.2, 0, 0, 1);
  max-width: 1440px; margin: 0 auto; padding: 24px 40px 96px;
}
.gb-hero, .gb-about, .gb-panel { border: 0; }
.gb-hero, .gb-about { padding: 0; }
.gb h1, .gb h2, .gb h3, .gb h4 { margin: 0; }

/* ---------- 首屏便当格 ---------- */
.gb-hero { display: grid; grid-template-columns: repeat(12, 1fr); grid-template-rows: 256px 256px; gap: var(--gb-gap); }
.gb-t { border-radius: var(--gb-r); padding: 24px 26px; position: relative; overflow: hidden; }
.gb-photo { grid-column: 1 / 4; grid-row: 1 / 3; padding: 0; background: var(--gb-surface); }
.gb-photo img { width: 100%; height: 100%; object-fit: cover; display: block; transition: transform .8s var(--gb-ease); }
.gb-photo:hover img { transform: scale(1.03); }
.gb-photo figcaption { position: absolute; left: 16px; bottom: 16px; background: var(--color-paper); border-radius: 999px; padding: 4px 14px; font-size: 13px; line-height: 1.8; color: var(--color-body); }
.gb-hello { grid-column: 4 / 10; grid-row: 1; background: var(--gb-tile); }
.gb-hello .hi { font-size: 16px; color: var(--color-muted); letter-spacing: .08em; line-height: 1.4; }
.gb-hello h1 { font-size: 64px; line-height: 1.15; letter-spacing: .06em; margin-top: 6px; }
.gb-hello h1 small { font: 400 17px var(--font-sans); color: var(--color-body); margin-left: 16px; letter-spacing: .06em; }
.gb-hello .lead { margin-top: 12px; font-size: 18px; line-height: 1.8; color: var(--color-body); max-width: 40em; }
.gb-hello .lead b { font-weight: 500; color: var(--color-ink); background: linear-gradient(transparent 62%, var(--gb-blue-2) 62%); }
.gb-recruit { grid-column: 10 / 13; grid-row: 1; background: var(--color-accent); color: var(--color-on-accent); display: flex; flex-direction: column; justify-content: space-between; }
.gb-recruit:hover { color: var(--color-on-accent); text-decoration: none; }
.gb-recruit small { font-size: 14px; letter-spacing: .12em; display: flex; gap: 8px; align-items: center; line-height: 1.4; }
.gb-recruit small i { width: 7px; height: 7px; border-radius: 50%; background: var(--color-on-accent); animation: gb-blink 1.6s infinite; }
@keyframes gb-blink { 50% { opacity: .25; } }
.gb-recruit b { font: 600 30px/1.3 var(--font-serif); letter-spacing: .06em; }
.gb-recruit em { font: 500 17px var(--font-latin); font-style: normal; letter-spacing: .02em; }
.gb-recruit .arrow { position: absolute; right: 22px; bottom: 20px; width: 48px; height: 48px; border-radius: 50%; border: 1px solid rgba(245, 244, 239, .45); display: grid; place-items: center; font: 400 22px var(--font-latin); transition: transform .35s var(--gb-ease), background .35s; }
.gb-recruit:hover .arrow { transform: translateX(4px); background: rgba(255, 255, 255, .12); }
.gb-n { display: flex; flex-direction: column; justify-content: space-between; color: var(--gb-blue-ink); }
.gb-n > span { font-size: 15px; color: var(--gb-blue-label); letter-spacing: .06em; line-height: 1.4; }
.gb-n b { font: 500 64px/1 var(--font-latin); letter-spacing: -.01em; white-space: nowrap; }
.gb-n b small, .gb-n b sup { font: 400 18px var(--font-sans); letter-spacing: 0; vertical-align: baseline; }
.gb-n b small { margin-right: 6px; } .gb-n b sup { margin-left: 6px; }
.gb-statrow { grid-column: 4 / 13; grid-row: 2; display: grid; grid-template-columns: repeat(auto-fit, minmax(0, 1fr)); gap: var(--gb-gap); }
.gb-statrow > .gb-n:nth-child(4n+1) { background: var(--gb-blue-1); }
.gb-statrow > .gb-n:nth-child(4n+2) { background: var(--gb-blue-2); }
.gb-statrow > .gb-n:nth-child(4n+3) { background: var(--gb-blue-3); }
.gb-statrow > .gb-n:nth-child(4n) { background: var(--gb-surface); }
.gb-n b[data-to="1000"] { font-size: 54px; }
.gb-n b.txt { font: 600 24px/1.45 var(--font-serif); letter-spacing: .04em; white-space: normal; }
.gb-n b.txt i { font-style: normal; font-family: var(--font-latin); font-weight: 500; letter-spacing: 0; }
.gb-recruit em.journal { font: italic 500 18px/1.5 var(--font-latin); letter-spacing: 0; }
.gb-recruit b { margin-top: auto; margin-bottom: 8px; }
.gb-roles { justify-content: flex-start; gap: 16px; grid-row: 1 / 3 !important; }
.gb-hero:has(.gb-roles) .gb-statrow { grid-column: 4 / 10; }
.gb-hero:has(.gb-roles) .gb-n b.txt { font-size: 21px; }
.gb-roles dl { display: grid; grid-template-columns: auto 1fr; gap: 7px 12px; margin: 0; align-items: baseline; }
.gb-roles dt { font: 600 13px/1.5 var(--font-sans); letter-spacing: .04em; opacity: .85; white-space: nowrap; }
.gb-roles dd { margin: 0; font: italic 500 17px/1.4 var(--font-latin); letter-spacing: 0; }
.gb-roles dl { gap: 12px 14px; }

/* ---------- 四个板块卡片（标签页） ---------- */
.gb-tabs { display: grid; grid-template-columns: 6fr 2fr 2fr 2fr; gap: var(--gb-gap); margin-top: var(--gb-gap); min-height: 256px; transition: grid-template-columns .5s var(--gb-ease); }
.gb-tab { all: unset; box-sizing: border-box; border-radius: var(--gb-r); background: var(--gb-tile); padding: 20px 24px; cursor: pointer; position: relative; overflow: hidden; display: flex; flex-direction: column; justify-content: flex-start; text-align: left; transition: background .35s var(--gb-ease); }
.gb-tab:hover { background: var(--gb-tile-hover); }
.gb-tab:focus-visible { outline: 2px solid var(--color-accent); outline-offset: 2px; }
.gb-tab .gb-ttl { font: 600 21px/1.4 var(--font-serif); color: var(--color-ink); letter-spacing: .08em; display: flex; align-items: center; gap: 12px; padding-right: 40px; white-space: nowrap; }
.gb-tab .gb-ttl i { flex: none; font: 500 16px var(--font-latin); color: var(--color-accent); letter-spacing: 0; font-style: normal; }
.gb-tab .gb-peek { display: block; margin-top: 10px; font-size: 14px; color: var(--color-muted); line-height: 1.7; }
.gb-tab .gb-plus { position: absolute; right: 20px; top: 20px; width: 30px; height: 30px; border-radius: 50%; border: 1px solid var(--color-hairline); display: grid; place-items: center; font: 300 18px/1 var(--font-sans); color: var(--color-body); transition: transform .35s var(--gb-ease); }
.gb-tab .gb-mini { display: none; }
.gb-tab[aria-selected="true"] { background: var(--color-ink); cursor: default; }
.gb-tab[aria-selected="true"] .gb-ttl { color: var(--color-on-accent); }
.gb-tab[aria-selected="true"] .gb-ttl i { color: var(--gb-open-num); }
.gb-tab[aria-selected="true"] .gb-plus { transform: rotate(45deg); border-color: var(--gb-open-line); color: var(--color-on-accent); }
.gb-tab[aria-selected="true"] .gb-peek { display: none; }
.gb-tab[aria-selected="true"] .gb-mini { display: grid; grid-template-columns: 1fr 1fr; gap: 0 32px; margin-top: 12px; animation: gb-fade .45s var(--gb-ease) both; animation-delay: .12s; }
.gb-tab .gb-mini span { display: block; font-size: 15px; line-height: 1.5; color: var(--color-on-accent); padding: 8px 0; border-top: 1px solid var(--gb-open-line); }
.gb-tab .gb-mini span em { display: block; font-style: normal; font-size: 13px; color: var(--gb-open-sub); }
.gb-tab .gb-more { display: none; }
.gb-tab[aria-selected="true"] .gb-more { display: block; position: absolute; right: 24px; bottom: 18px; font-size: 13px; color: var(--gb-open-sub); letter-spacing: .06em; }

/* ---------- 板块完整内容 ---------- */
.gb-panel { margin-top: var(--gb-gap); background: var(--gb-tile); border-radius: var(--gb-r); padding: 48px 56px 56px; scroll-margin-top: 24px; }
.js .gb-panel[hidden] { display: none; }
.gb-panel + .gb-panel { margin-top: var(--gb-gap); }
.js .gb-panel:not([hidden]) { animation: gb-fade .45s var(--gb-ease) both; }
@keyframes gb-fade { from { opacity: 0; transform: translateY(8px); } }
.gb-panel > h2 { font-size: 36px; letter-spacing: .06em; margin-bottom: 32px; display: flex; align-items: baseline; gap: 16px; }
.gb-panel > h2 i { font: 500 22px var(--font-latin); color: var(--color-accent); font-style: normal; letter-spacing: 0; }
.gb-panel h3 { font-size: 22px; margin-bottom: 12px; }
.gb-panel h4 { font: 600 16px var(--font-sans); color: var(--color-ink); margin: 20px 0 8px; letter-spacing: .04em; }
.gb-panel p, .gb-panel li { font-size: 16px; line-height: 1.85; }
.gb-panel ul, .gb-panel ol { padding-left: 1.3em; margin: 0 0 12px; }
.gb-panel p { margin: 0 0 12px; }
.gb-panel i { font-family: var(--font-latin); font-size: 1.06em; }
.gb-panel .muted, .gb-panel .draft { color: var(--color-muted); font-size: 14px; }
.gb-cards { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--gb-gap); }
.gb-card.wide > ul, .gb-card.wide > p { max-width: 64em; }
.gb-card { background: var(--color-paper); border-radius: 16px; padding: 28px 30px; }
.gb-card h3 { display: flex; gap: 12px; align-items: baseline; }
.gb-todo { color: var(--color-muted); letter-spacing: .2em; }
.gb-card > table { margin: 0; }
.gb-card h3 i { font: 500 18px var(--font-latin); color: var(--color-accent); font-style: normal; }
.gb-card.wide { grid-column: 1 / -1; }
.gb-cols { display: grid; grid-template-columns: 5fr 7fr; gap: 48px; }
.gb-cols.even { grid-template-columns: 1fr 1fr; }
.gb-refs { background: transparent; box-shadow: inset 0 0 0 1px var(--color-hairline); }
.gb-refs h3 { font-size: 18px; }
.gb-refs ol { font-size: 14px; }
.gb-refs li { font-size: 14px; line-height: 1.7; break-inside: avoid; }
.gb-stats { display: grid; grid-template-columns: 1fr 1fr; gap: var(--gb-gap); }
.gb-stat { background: var(--gb-blue-1); border-radius: 16px; padding: 20px 22px; color: var(--gb-blue-ink); }
.gb-stat b { display: block; font: 600 26px/1.3 var(--font-serif); letter-spacing: .02em; }
.gb-stat span { display: block; margin-top: 6px; font-size: 14px; line-height: 1.6; color: var(--gb-blue-label); }
.gb-pubs { list-style: none; padding: 0 !important; }
.gb-pubs li { padding: 12px 0; border-top: 1px solid var(--color-hairline); font-size: 15px; line-height: 1.7; }
.gb-panel table { font-size: 15px; }
.gb-collab { display: grid; grid-template-columns: 120px 1fr; gap: 24px; align-items: start; background: var(--color-paper); border-radius: 16px; padding: 24px; margin-top: 8px; }
.gb-collab img { width: 120px; height: 160px; object-fit: cover; border-radius: 12px; }
.gb-collab details summary { cursor: pointer; color: var(--color-accent); font-size: 15px; }

.gb-card figure { margin: 16px 0 0; max-width: 760px; }
.gb-card figure img, .gb-card figure video { display: block; width: 100%; height: auto; border-radius: 12px; background: var(--gb-tile); }
.gb-card figure img { width: auto; max-width: 100%; }
.gb-card figure:has(img[src*="/ui-"]) { max-width: none; }
.gb-card figure img[src*="/ui-"] { box-shadow: 0 0 0 1px var(--color-hairline); }
.gb-card figcaption { margin-top: 8px; font-size: 13px; line-height: 1.6; color: var(--color-muted); }
.gb-gallery { display: grid; grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); gap: 12px; margin-top: 16px; }
.gb-gallery figure { margin: 0; max-width: none; }
.gb-gallery.few { display: flex; flex-wrap: wrap; gap: 12px; }
.gb-gallery.few figure { flex: 0 1 auto; }
.gb-gallery.few figure img, .gb-gallery.few figure video { height: 220px; width: auto; max-width: 100%; object-fit: contain; }
.gb-gallery figure img { aspect-ratio: auto; box-shadow: 0 0 0 1px var(--color-hairline); }
.gb-gallery figcaption { font-size: 12px; }

/* 流程条、双栏、结论条（公开稿写法见 build_site.card_body） */
.gb-flow { list-style: none; padding: 0 !important; margin: 20px 0 24px !important; display: grid; grid-template-columns: repeat(auto-fit, minmax(0, 1fr)); gap: 8px; counter-reset: none; }
.gb-flow li { position: relative; background: var(--gb-blue-1); color: var(--gb-blue-ink); border-radius: 12px; padding: 12px 14px; font: 600 16px/1.4 var(--font-serif); letter-spacing: .06em; }
.gb-flow li span { display: block; font: 500 13px var(--font-latin); color: var(--gb-blue-label); letter-spacing: 0; margin-bottom: 2px; }
.gb-flow li:not(:last-child)::after { content: ""; position: absolute; right: -7px; top: 50%; width: 6px; height: 6px; border-top: 1.5px solid var(--gb-blue-label); border-right: 1.5px solid var(--gb-blue-label); transform: translateY(-50%) rotate(45deg); }
.gb-flow li:last-child { background: var(--color-accent); color: var(--color-on-accent); }
.gb-flow li:last-child span { color: #d6e1f1; }
.gb-split { display: grid; grid-template-columns: 7fr 5fr; gap: 32px; align-items: start; }
.gb-cards > *, .gb-split > div { min-width: 0; }
.gb-split figure { margin-top: 4px; }
.gb-card figure img[src*="ui-llmpms-recommend"] { max-width: min(520px, 100%); }
.gb-split figure video { max-height: 460px; width: 100%; object-fit: cover; object-position: top; }
.gb-trust { margin: 20px 0 12px !important; padding: 12px 16px; border-radius: 12px; background: var(--color-paper); box-shadow: inset 3px 0 0 var(--color-accent); font-size: 15px !important; color: var(--color-ink); }

/* ---------- 学生指导 ---------- */
.gb-stu-cat { font: 600 18px var(--font-serif) !important; letter-spacing: .1em !important; margin: 24px 0 4px !important; padding-top: 16px; border-top: 1px solid var(--color-hairline); }
.gb-stu-cat:first-of-type { border-top: 0; padding-top: 0; margin-top: 4px !important; }
.gb-stu-st { font-size: 13px !important; color: var(--color-muted); letter-spacing: .2em; margin: 12px 0 8px !important; }
.gb-stus { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--gb-gap); }
.gb-stu { display: grid; grid-template-columns: 96px 1fr; gap: 16px; align-items: start; background: var(--gb-tile); border-radius: 14px; padding: 14px; }
.gb-stu.wide { grid-column: 1 / -1; }
.gb-stu img, .gb-stu-ph { width: 96px; height: 120px; border-radius: 10px; object-fit: cover; display: block; }
.gb-stu-ph { display: grid; place-items: center; background: var(--gb-blue-1); color: var(--gb-blue-ink); font: 600 36px var(--font-serif); }
.gb-stu h5 { margin: 2px 0 6px; font: 600 18px var(--font-serif); color: var(--color-ink); letter-spacing: .08em; display: flex; gap: 10px; align-items: baseline; flex-wrap: wrap; }
.gb-stu h5 span { font: 500 14px var(--font-sans); color: var(--color-muted); letter-spacing: .04em; }
.gb-stu p { margin: 0 0 6px !important; font-size: 14px !important; line-height: 1.7 !important; }
.gb-stu .ttl { color: var(--color-ink); }
.gb-stu .dst { color: var(--color-accent); }
.gb-stu .awd { color: var(--color-body); }

/* ---------- 简介与经历 ---------- */
.gb-about { margin-top: var(--gb-gap); display: grid; grid-template-columns: 7fr 5fr; gap: var(--gb-gap); }
.gb-about > div { background: var(--gb-tile); border-radius: var(--gb-r); padding: 40px 48px; }
.gb-about.solo { grid-template-columns: 1fr; }
.gb-about h2 { font-size: 28px; letter-spacing: .06em; margin-bottom: 20px; }
.gb-about p, .gb-about li { font-size: 16px; line-height: 1.9; }
.gb-about p { margin: 0 0 14px; }
.gb-about ul { padding-left: 1.2em; margin: 0 0 16px; }
.gb-about h3 { font: 600 16px var(--font-sans); color: var(--color-ink); margin: 0 0 8px; letter-spacing: .06em; }
.gb-about .contact { margin-top: 20px; font-size: 15px; }
.gb-about .draft { font-size: 13px; color: var(--color-muted); }

.gb-back { margin-top: 32px; font-size: 15px; }

/* ---------- 入场动效 ---------- */
.js .gb-anim { animation: gb-pop .7s var(--gb-ease) both; animation-delay: calc(var(--i, 0) * 50ms); }
@keyframes gb-pop { from { opacity: 0; transform: translateY(14px); } }
@media (prefers-reduced-motion: reduce) {
  .gb *, .gb *::before, .gb *::after { animation: none !important; transition: none !important; }
}

/* ---------- 平板 ---------- */
@media (max-width: 1199px) {
  .gb-split { grid-template-columns: 1fr; }
  .gb { padding: 20px 24px 72px; }
  .gb-hero { grid-template-columns: repeat(6, 1fr); grid-template-rows: auto; }
  .gb-photo { grid-column: 1 / 3; grid-row: 1 / 3; min-height: 420px; }
  .gb-hello { grid-column: 3 / 7; grid-row: 1; }
  .gb-recruit { grid-column: 3 / 7; grid-row: 2; min-height: 200px; }
  .gb-roles { grid-row: 2 !important; }
  .gb-hero:has(.gb-roles) .gb-statrow { grid-column: 1 / 7; }
  .gb-statrow { grid-column: 1 / 7; grid-row: 3; grid-template-columns: repeat(2, 1fr); }
  .gb-n { min-height: 170px; }
  .gb-stus { grid-template-columns: repeat(2, 1fr); }
  .gb-tabs, .gb-tabs[style] { grid-template-columns: 1fr 1fr !important; min-height: 0; }
  .gb-tab[aria-selected="true"] .gb-mini { display: none; }
  .gb-tab[aria-selected="true"] .gb-more { display: none; }
  .gb-tab[aria-selected="true"] .gb-peek { display: block; color: var(--gb-open-sub); }
  .gb-panel { padding: 36px 32px 40px; }
  .gb-cols, .gb-cols.even, .gb-about { grid-template-columns: 1fr; gap: 24px; }
}
/* ---------- 手机 ---------- */
@media (max-width: 767px) {
  .gb { padding: 16px 16px 56px; --gb-r: 16px; --gb-gap: 10px; }
  .gb-hero { grid-template-columns: 1fr 1fr; }
  .gb-photo { grid-column: 1 / 2; grid-row: 1; min-height: 0; aspect-ratio: 4 / 5; }
  .gb-recruit { grid-column: 2 / 3; grid-row: 1; min-height: 0; padding: 18px; }
  .gb-photo figcaption { display: none; }
  .gb-recruit b { font-size: 22px; } .gb-recruit em { font-size: 13px; letter-spacing: 0; overflow-wrap: anywhere; }
  .gb-recruit .arrow { width: 34px; height: 34px; right: 14px; top: 12px; bottom: auto; font-size: 17px; }
  .gb-hello { grid-column: 1 / 3; grid-row: 2; padding: 22px 20px; }
  .gb-hello h1 { font-size: 44px; }
  .gb-hello h1 small { display: block; margin: 6px 0 0; font-size: 15px; }
  .gb-hello .lead { font-size: 17px; }
  .gb-statrow { grid-column: 1 / 3; grid-row: 3; }
  .gb-stus { grid-template-columns: 1fr; }
  .gb-stu { grid-template-columns: 72px 1fr; } .gb-stu img, .gb-stu-ph { width: 72px; height: 90px; }
  .gb-n { min-height: 140px; padding: 18px; }
  .gb-n b { font-size: 44px; } .gb-n b[data-to="1000"] { font-size: 36px; } .gb-n b.txt { font-size: 17px; line-height: 1.5; } .gb-n b.txt br { display: none; }
  .gb-n > span { font-size: 13px; }
  .gb-n b small, .gb-n b sup { font-size: 14px; }
  .gb-recruit em.journal { font-size: 14px; }
  .gb-roles { grid-column: 1 / 3 !important; grid-row: auto !important; }
  .gb-hero:has(.gb-roles) .gb-statrow { grid-column: 1 / 3; }
  .gb-tab { padding: 16px 18px; }
  .gb-tab .gb-ttl { font-size: 18px; gap: 8px; padding-right: 0; }
  .gb-tab .gb-plus { display: none; }
  .gb-tab .gb-peek { font-size: 13px; }
  .gb-panel { padding: 28px 20px 32px; }
  .gb-panel > h2 { font-size: 28px; margin-bottom: 20px; }
  .gb-cards, .gb-stats { grid-template-columns: 1fr; }
  .gb-card { padding: 22px 20px; }
  .gb-about > div { padding: 28px 20px; }
  .gb-collab { grid-template-columns: 88px 1fr; gap: 16px; padding: 18px; }
  .gb-collab img { width: 88px; height: 117px; }
  .gb-panel table { display: block; overflow-x: auto; }
  .gb-flow { grid-template-columns: 1fr; }
  .gb-flow li:not(:last-child)::after { right: auto; left: 22px; top: auto; bottom: -7px; transform: rotate(135deg); }
  .gb-split { grid-template-columns: 1fr; gap: 12px; }
  .gb-card figure:has(img[src*="ui-llmpms-strip"]) { overflow-x: auto; }
  .gb-card figure img[src*="ui-llmpms-strip"] { max-width: none; width: 900px; }
}