/* ==========================================================================
   青衿学社 · 页面样式（社区 / 帖子 / 登录 / 主页 / 成绩单 / 后台）
   ========================================================================== */

/* ---------------------------------------------------------------- 社区信息流 */
.feed-layout { display: grid; grid-template-columns: 1fr 300px; gap: 24px; align-items: start; }
.feed-side { display: flex; flex-direction: column; gap: 16px; position: sticky; top: calc(var(--nav-h) + 16px); }
.filter-bar {
  display: flex; align-items: center; justify-content: space-between; gap: 14px; padding: 10px 12px;
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--r-lg);
  box-shadow: var(--shadow-xs); margin-bottom: 12px; flex-wrap: wrap;
}
.filter-right { display: flex; align-items: center; gap: 10px; }
.mini-search { display: flex; align-items: center; gap: 7px; padding: 7px 12px; background: var(--surface-2); border: 1px solid var(--border); border-radius: 99px; color: var(--text-3); transition: border-color .2s, box-shadow .2s; }
.mini-search:focus-within { border-color: var(--primary); box-shadow: var(--glow); }
.mini-search input { border: none; background: none; outline: none; font-size: 13px; width: 170px; color: var(--text); }
.sort-toggle { display: flex; background: var(--surface-2); border: 1px solid var(--border); border-radius: 99px; padding: 2px; }
.sort-btn { display: inline-flex; align-items: center; gap: 5px; padding: 5px 12px; border-radius: 99px; font-size: 12.5px; color: var(--text-3); }
.sort-btn.is-active { background: var(--surface); color: var(--primary); box-shadow: var(--shadow-xs); font-weight: 600; }
.subject-filter { display: flex; align-items: center; gap: 8px; margin-bottom: 16px; flex-wrap: wrap; }
.chip { padding: 5px 14px; border-radius: 99px; background: var(--surface); border: 1px solid var(--border); font-size: 13px; color: var(--text-2); transition: all .2s var(--ease-out); }
.chip:hover { transform: translateY(-1px); border-color: color-mix(in srgb, var(--sc, var(--primary)) 45%, transparent); color: var(--sc, var(--primary)); }
.chip.is-on { background: color-mix(in srgb, var(--sc, var(--primary)) 14%, transparent); border-color: color-mix(in srgb, var(--sc, var(--primary)) 45%, transparent); color: var(--sc, var(--primary)); font-weight: 600; }
.filter-count { margin-left: auto; font-size: 12.5px; color: var(--text-3); }
.section-row { display: flex; align-items: center; gap: 10px; padding: 9px 8px; border-radius: var(--r-md); color: var(--text); }
.section-row:hover { background: var(--surface-2); }
.section-row.is-active { background: var(--primary-soft); }
.sr-ic { width: 32px; height: 32px; border-radius: 10px; display: grid; place-items: center; font-size: 16px; background: var(--surface-3); color: var(--text-2); }
.sr-ic.sec-official { background: linear-gradient(135deg, var(--primary), var(--primary-2)); color: #fff; }
.sr-ic.sec-recommend { background: linear-gradient(135deg, #fde68a, #fbbf24); color: #7c2d12; }
.sr-body { flex: 1; min-width: 0; }
.sr-body b { display: block; font-size: 13.5px; }
.sr-body i { font-style: normal; font-size: 11.5px; color: var(--text-3); }
.rule-list { list-style: none; padding: 0; margin: 0; font-size: 12.5px; color: var(--text-2); }
.rule-list li { position: relative; padding: 5px 0 5px 16px; }
.rule-list li::before { content: ''; position: absolute; left: 3px; top: 13px; width: 5px; height: 5px; border-radius: 50%; background: var(--primary); opacity: .6; }

/* ---------------------------------------------------------------- 帖子详情 */
.post-wrap { padding-bottom: 20px; }
.post-layout { display: grid; grid-template-columns: minmax(0, 1fr) 292px; gap: 24px; align-items: start; }
.post-main { background: var(--surface); border: 1px solid var(--border); border-radius: var(--r-xl); padding: 28px; box-shadow: var(--shadow-xs); }
.post-side { display: flex; flex-direction: column; gap: 16px; position: sticky; top: calc(var(--nav-h) + 16px); }
.post-head-tags { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; margin-bottom: 12px; }
.post-title { font-size: clamp(22px, 3vw, 30px); line-height: 1.3; margin-bottom: 16px; }
.post-byline { display: flex; align-items: center; gap: 12px; padding-bottom: 18px; border-bottom: 1px solid var(--border); }
.byline-body { flex: 1; min-width: 0; }
.byline-name { display: flex; align-items: center; gap: 7px; flex-wrap: wrap; }
.byline-name a { font-weight: 650; color: var(--text); font-size: 15px; }
.byline-meta { display: flex; align-items: center; gap: 8px; font-size: 12.5px; color: var(--text-3); flex-wrap: wrap; }
.byline-meta .iconify { margin-right: 3px; }
.post-content { padding: 22px 0; font-size: 15.5px; line-height: 1.85; color: var(--text); }
.md > *:first-child { margin-top: 0; }
.md h2.md-h { font-size: 20px; margin: 1.4em 0 .6em; padding-left: 12px; border-left: 4px solid var(--primary); }
.md h3.md-h { font-size: 17px; margin: 1.2em 0 .5em; }
.md h4.md-h, .md h5.md-h { font-size: 15.5px; margin: 1em 0 .4em; }
.md .md-hr { margin: 1.6em 0; }
.md .md-quote { margin: 1em 0; padding: 10px 16px; border-left: 3px solid var(--primary); background: var(--surface-2); border-radius: 0 var(--r-md) var(--r-md) 0; color: var(--text-2); }
.md .md-quote p { margin: .3em 0; }
.md .md-code { font-family: var(--mono); font-size: .9em; padding: 2px 6px; border-radius: 6px; background: var(--surface-3); color: var(--primary); }
.md .code-block { position: relative; margin: 1.1em 0; padding: 16px 18px; background: var(--surface-2); border: 1px solid var(--border); border-radius: var(--r-md); overflow-x: auto; font-family: var(--mono); font-size: 13px; line-height: 1.7; }
.md .md-mention { color: var(--primary); font-weight: 600; }
.md ul.md-ul, .md ol.md-ol { padding-left: 1.4em; }
.md li { margin: .3em 0; }
.md img { border-radius: var(--r-md); margin: 1em 0; }

.post-gallery { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 10px; padding: 8px 0 18px; }
.gallery-item { position: relative; aspect-ratio: 4/3; border-radius: var(--r-md); overflow: hidden; background: var(--surface-3); }
.gallery-item img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s var(--ease-out); }
.gallery-item:hover img { transform: scale(1.06); }

.post-files { padding: 8px 0 18px; }
.files-title { display: flex; align-items: center; gap: 8px; font-size: 14.5px; margin-bottom: 12px; color: var(--text-2); }
.file-list { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 10px; }
.file-item { display: flex; align-items: center; gap: 11px; padding: 11px 14px; background: var(--surface-2); border: 1px solid var(--border); border-radius: var(--r-md); color: var(--text); transition: all .22s var(--ease-out); }
.file-item:hover { transform: translateY(-2px); border-color: var(--primary); box-shadow: var(--shadow-sm); }
.file-ic { width: 34px; height: 34px; border-radius: 10px; display: grid; place-items: center; background: var(--primary-soft); color: var(--primary); font-size: 17px; }
.file-body { flex: 1; min-width: 0; }
.file-body b { display: block; font-size: 13px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.file-body i { font-style: normal; font-size: 11.5px; color: var(--text-3); }
.file-dl { color: var(--text-3); }

.post-actions { display: flex; gap: 10px; padding: 18px 0; border-top: 1px solid var(--border); flex-wrap: wrap; }
.action-btn {
  display: inline-flex; align-items: center; gap: 7px; padding: 9px 18px; border-radius: 99px;
  background: var(--surface-2); border: 1px solid var(--border); color: var(--text-2);
  font-size: 13.5px; font-weight: 600; cursor: pointer; transition: all .22s var(--ease-out);
}
.action-btn:hover { transform: translateY(-2px); border-color: var(--primary); color: var(--primary); }
.action-btn.is-on { background: rgba(225, 29, 72, .1); border-color: rgba(225, 29, 72, .3); color: var(--danger); }
.action-btn.is-on.collect-on, .action-btn.is-on[data-collected] { color: var(--primary); }
.action-btn .iconify { font-size: 17px; }
.action-btn b { font-family: var(--mono); font-size: 12.5px; }

.comments { padding-top: 22px; border-top: 1px solid var(--border); }
.comments-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 16px; }
.comments-head h2 { display: flex; align-items: center; gap: 8px; font-size: 17px; }
.cmt-count { font-family: var(--mono); color: var(--text-3); font-size: 14px; }
.comment-form { display: flex; gap: 12px; margin-bottom: 22px; }
.cf-main { flex: 1; }
.comment-form textarea { width: 100%; padding: 12px 14px; background: var(--surface-2); border: 1px solid var(--border); border-radius: var(--r-md); resize: vertical; outline: none; font-family: inherit; font-size: 14px; transition: border-color .2s, box-shadow .2s; }
.comment-form textarea:focus { border-color: var(--primary); box-shadow: var(--glow); background: var(--surface); }
.cf-foot { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-top: 10px; flex-wrap: wrap; }
.cf-tip { display: inline-flex; align-items: center; gap: 5px; font-size: 12px; color: var(--text-3); }
.comment-list { display: flex; flex-direction: column; gap: 4px; }
.comment { display: flex; gap: 12px; padding: 14px 0; border-bottom: 1px dashed var(--border); }
.comment:last-child { border-bottom: none; }
.comment-main { flex: 1; min-width: 0; }
.comment-head { display: flex; align-items: center; gap: 8px; margin-bottom: 5px; flex-wrap: wrap; }
.comment-head .name-link { font-size: 13.5px; }
.comment-head time { font-size: 11.5px; color: var(--text-3); }
.comment-body { font-size: 14px; color: var(--text-2); }
.comment-body p { margin: 0 0 .4em; }
.comment-children { margin-top: 12px; padding-left: 14px; border-left: 2px solid var(--border); }
.comment.is-pending { opacity: .6; }
.author-card .author-box { display: flex; gap: 12px; align-items: center; margin-bottom: 14px; }
.author-body b { display: block; }
.author-tags { display: flex; gap: 5px; flex-wrap: wrap; margin-top: 5px; }
.author-stats { display: flex; justify-content: space-around; padding: 12px 0; border-top: 1px dashed var(--border); border-bottom: 1px dashed var(--border); margin-bottom: 14px; }
.author-stats span { font-size: 12px; color: var(--text-3); text-align: center; }
.author-stats b { display: block; font-size: 17px; color: var(--text); font-family: var(--mono); }

/* ---------------------------------------------------------------- 登录 / 认证 */
.auth-wrap { position: relative; min-height: calc(100vh - var(--nav-h)); display: grid; align-items: center; padding: 40px 0; overflow: hidden; }
.auth-decor { position: absolute; inset: 0; z-index: 0; }
.auth-orb { position: absolute; border-radius: 50%; filter: blur(60px); opacity: .5; }
.auth-orb.o1 { width: 420px; height: 420px; top: -80px; left: 6%; background: radial-gradient(circle, rgba(79, 107, 255, .5), transparent 70%); animation: float1 18s ease-in-out infinite; }
.auth-orb.o2 { width: 380px; height: 380px; bottom: -60px; right: 8%; background: radial-gradient(circle, rgba(139, 92, 246, .45), transparent 70%); animation: float2 22s ease-in-out infinite; }
.auth-inner { position: relative; z-index: 1; display: grid; grid-template-columns: 1.05fr .95fr; gap: 46px; align-items: center; }
.auth-inner-single { grid-template-columns: 1fr; justify-items: center; }
.auth-card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--r-xl); padding: 34px; box-shadow: var(--shadow-lg); }
.auth-head { text-align: center; margin-bottom: 24px; }
.auth-logo { display: inline-grid; place-items: center; margin-bottom: 14px; filter: drop-shadow(0 10px 20px rgba(79, 107, 255, .35)); }
.auth-head h1 { font-size: 23px; margin-bottom: 8px; }
.auth-head p { color: var(--text-3); font-size: 13.5px; margin: 0; }
.auth-form .field { margin-bottom: 20px; }
.input-with-icon { position: relative; }
.input-with-icon .iw-icon { position: absolute; left: 14px; top: 50%; transform: translateY(-50%); color: var(--text-3); font-size: 17px; }
.input-with-icon input { padding-left: 44px !important; font-size: 16px !important; letter-spacing: .06em; }
.auth-steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin-top: 26px; padding-top: 22px; border-top: 1px solid var(--border); }
.step { text-align: center; position: relative; }
.step-no { position: absolute; top: -6px; left: 50%; transform: translateX(-50%); width: 20px; height: 20px; border-radius: 50%;
  display: grid; place-items: center; background: var(--primary); color: #fff; font-size: 11px; font-weight: 700; font-family: var(--mono); }
.step-ic { display: block; font-size: 22px; color: var(--primary); margin: 12px 0 6px; }
.step b { display: block; font-size: 12.5px; }
.step i { font-style: normal; font-size: 11px; color: var(--text-3); }
.auth-foot { text-align: center; font-size: 12.5px; color: var(--text-3); margin: 20px 0 0; display: flex; align-items: center; justify-content: center; gap: 6px; }
.auth-side h2 { font-size: 30px; margin-bottom: 12px; letter-spacing: .06em; }
.auth-side > p { color: var(--text-2); }
.auth-points { list-style: none; padding: 0; margin: 26px 0; display: flex; flex-direction: column; gap: 14px; }
.auth-points li { display: flex; gap: 12px; align-items: center; }
.ap-ic { width: 42px; height: 42px; border-radius: 12px; display: grid; place-items: center; font-size: 21px; background: var(--surface); border: 1px solid var(--border); color: var(--primary); box-shadow: var(--shadow-xs); }
.auth-points b { display: block; font-size: 14.5px; }
.auth-points i { font-style: normal; font-size: 12.5px; color: var(--text-3); }
.auth-quote { position: relative; padding: 16px 20px; background: var(--surface); border: 1px solid var(--border); border-radius: var(--r-lg); color: var(--text-2); font-size: 14px; box-shadow: var(--shadow-xs); }
.quote-mark { position: absolute; top: -14px; left: 14px; font-size: 40px; color: var(--primary); opacity: .3; font-family: Georgia, serif; }
.quote-src { font-size: 12px; color: var(--text-3); }
.sent-card { max-width: 560px; text-align: center; }
.sent-ic { font-size: 52px; margin-bottom: 10px; }
.ic-big { font-size: 52px; color: var(--primary); }
.ic-big.warn { color: var(--warn); }
.ic-huge { font-size: 72px; color: var(--text-3); opacity: .6; }
.sent-card h1 { font-size: 22px; margin-bottom: 10px; }
.sent-sub { color: var(--text-2); font-size: 14px; }
.sent-steps { list-style: none; padding: 0; margin: 22px 0; text-align: left; display: flex; flex-direction: column; gap: 10px; }
.sent-steps li { display: flex; align-items: flex-start; gap: 10px; font-size: 13.5px; color: var(--text-2); padding: 10px 14px; background: var(--surface-2); border-radius: var(--r-md); }
.sent-steps .iconify { color: var(--primary); font-size: 17px; margin-top: 2px; }
.sent-actions { display: flex; gap: 10px; justify-content: center; flex-wrap: wrap; }
.dev-link { text-align: left; }
.error-page { display: grid; place-items: center; gap: 6px; padding: 80px 20px; text-align: center; }
.error-code { font-size: 68px; font-family: var(--mono); background: linear-gradient(135deg, var(--primary), var(--primary-2)); -webkit-background-clip: text; background-clip: text; color: transparent; line-height: 1; }
.error-msg { color: var(--text-2); font-size: 15px; }
.error-actions { display: flex; gap: 12px; margin-top: 12px; flex-wrap: wrap; justify-content: center; }

/* ---------------------------------------------------------------- 个人主页 */
.profile-cover { position: relative; margin-bottom: 22px; }
.cover-art { position: absolute; inset: 0; overflow: hidden; }
.cover-grid { position: absolute; inset: 0; opacity: .35;
  background-image: linear-gradient(var(--border) 1px, transparent 1px), linear-gradient(90deg, var(--border) 1px, transparent 1px);
  background-size: 40px 40px;
  mask-image: linear-gradient(#000, transparent); -webkit-mask-image: linear-gradient(#000, transparent); }
.cover-orb { position: absolute; width: 420px; height: 420px; right: -60px; top: -220px; border-radius: 50%; filter: blur(50px); opacity: .35;
  background: radial-gradient(circle, color-mix(in srgb, var(--pc, var(--primary)) 60%, transparent), transparent 70%); }
.profile-head { position: relative; display: flex; align-items: flex-end; gap: 22px; padding: 46px 0 20px; flex-wrap: wrap; }
.profile-avatar { margin-top: 30px; }
.profile-id { flex: 1; min-width: 240px; }
.profile-id h1 { display: flex; align-items: center; gap: 10px; font-size: 26px; flex-wrap: wrap; }
.profile-badges { display: flex; gap: 7px; flex-wrap: wrap; margin: 10px 0; }
.profile-bio { color: var(--text-2); font-size: 14px; margin: 8px 0; max-width: 60ch; }
.profile-meta { display: flex; gap: 16px; flex-wrap: wrap; font-size: 12.5px; color: var(--text-3); }
.profile-meta .iconify { margin-right: 4px; }
.profile-actions { display: flex; gap: 10px; padding-bottom: 6px; }
.profile-stats { position: relative; display: grid; grid-template-columns: repeat(5, 1fr); gap: 12px; padding: 18px; background: var(--surface); border: 1px solid var(--border); border-radius: var(--r-lg); box-shadow: var(--shadow-xs); }
.pstat { text-align: center; display: flex; flex-direction: column; align-items: center; gap: 2px; }
.pstat .iconify { color: var(--primary); font-size: 17px; }
.pstat b { font-size: 21px; font-family: var(--mono); }
.pstat span { font-size: 12px; color: var(--text-3); }
.profile-body { padding-top: 24px; }
.profile-tabs { margin-bottom: 18px; border-bottom: 1px solid var(--border); padding-bottom: 6px; }
.people-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 12px; }
.people-grid.compact { grid-template-columns: repeat(auto-fill, minmax(210px, 1fr)); }
.people-card { display: flex; align-items: center; gap: 11px; padding: 14px; background: var(--surface); border: 1px solid var(--border); border-radius: var(--r-lg); color: var(--text); box-shadow: var(--shadow-xs); transition: all .25s var(--ease-out); }
.people-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); border-color: color-mix(in srgb, var(--primary) 30%, transparent); }
.pc-body { flex: 1; min-width: 0; display: flex; flex-direction: column; gap: 3px; align-items: flex-start; }
.pc-body b { font-size: 14px; }
.pc-body i { font-style: normal; font-size: 12px; color: var(--text-3); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; max-width: 100%; }
.pc-stat { font-size: 11.5px; color: var(--text-3); white-space: nowrap; }

/* ---------------------------------------------------------------- 设置页 */
.settings-layout { display: grid; grid-template-columns: 190px 1fr; gap: 22px; align-items: start; }
.settings-side { display: flex; flex-direction: column; gap: 3px; position: sticky; top: calc(var(--nav-h) + 16px); }
.settings-tab { display: flex; align-items: center; gap: 9px; padding: 10px 14px; border-radius: var(--r-md); color: var(--text-2); font-size: 14px; font-weight: 550; }
.settings-tab:hover { background: var(--surface-2); color: var(--text); }
.settings-tab.is-active { background: var(--primary-soft); color: var(--primary); }
.profile-edit-head { display: flex; gap: 16px; align-items: center; margin-bottom: 20px; padding-bottom: 18px; border-bottom: 1px solid var(--border); }
.theme-choices { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 12px; margin: 18px 0; }
.theme-choice { position: relative; display: flex; flex-direction: column; align-items: center; gap: 6px; padding: 16px; border: 1px solid var(--border); border-radius: var(--r-lg); cursor: pointer; transition: all .22s var(--ease-out); }
.theme-choice:hover { border-color: var(--primary); transform: translateY(-2px); }
.theme-choice input { position: absolute; opacity: 0; }
.theme-choice.is-active { border-color: var(--primary); background: var(--primary-soft); box-shadow: var(--glow); }
.tc-ic { font-size: 24px; color: var(--primary); }
.theme-choice b { font-size: 13.5px; }
.tc-preview { width: 100%; height: 34px; border-radius: 8px; border: 1px solid var(--border); }
.tc-light { background: linear-gradient(135deg, #fff 50%, #eef1f9 50%); }
.tc-dark { background: linear-gradient(135deg, #131722 50%, #0a0c12 50%); }
.tc-auto { background: linear-gradient(135deg, #fff 25%, #eef1f9 25% 50%, #131722 50% 75%, #0a0c12 75%); }
.mini-post-lg { display: flex; align-items: center; gap: 12px; padding: 11px 14px; border-radius: var(--r-md); color: var(--text); font-size: 13.5px; }
.mini-post-lg:hover { background: var(--surface-2); }
.mini-post-lg b { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.mini-post-lg i { font-style: normal; font-size: 12px; color: var(--text-3); }

/* ---------------------------------------------------------------- 通知 */
.noti-list { display: flex; flex-direction: column; gap: 10px; }
.noti-item { position: relative; display: flex; gap: 14px; padding: 16px 18px; background: var(--surface); border: 1px solid var(--border); border-radius: var(--r-lg); box-shadow: var(--shadow-xs); transition: all .22s var(--ease-out); }
.noti-item:hover { transform: translateY(-2px); box-shadow: var(--shadow-sm); }
.noti-item.is-unread { border-color: color-mix(in srgb, var(--primary) 32%, transparent); background: color-mix(in srgb, var(--primary) 4%, var(--surface)); }
.noti-ic { width: 38px; height: 38px; border-radius: 12px; display: grid; place-items: center; font-size: 19px; background: var(--surface-3); color: var(--text-2); flex-shrink: 0; }
.tone-ok .noti-ic { background: rgba(22, 163, 74, .12); color: var(--ok); }
.tone-pink .noti-ic { background: rgba(236, 72, 153, .12); color: var(--pink); }
.tone-blue .noti-ic { background: var(--primary-soft); color: var(--primary); }
.tone-violet .noti-ic { background: rgba(139, 92, 246, .13); color: var(--violet); }
.noti-body { flex: 1; }
.noti-body p { margin: 0 0 4px; font-size: 14px; }
.noti-meta { display: flex; gap: 14px; font-size: 12px; color: var(--text-3); align-items: center; }
.noti-meta a { display: inline-flex; align-items: center; gap: 4px; }
.unread-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--primary); align-self: center; box-shadow: 0 0 0 4px var(--primary-soft); }

/* ---------------------------------------------------------------- 考试 / 成绩单 */
.exam-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 18px; }
.exam-card { display: flex; flex-direction: column; gap: 10px; padding: 22px; background: var(--surface); border: 1px solid var(--border); border-radius: var(--r-xl); box-shadow: var(--shadow-xs); transition: all .28s var(--ease-out); }
.exam-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.exam-card-head { display: flex; align-items: center; justify-content: space-between; font-size: 12.5px; color: var(--text-3); }
.exam-date { display: inline-flex; align-items: center; gap: 5px; }
.exam-state { display: inline-flex; align-items: center; gap: 4px; padding: 2px 9px; border-radius: 99px; font-size: 11.5px; font-weight: 600; }
.exam-state.is-ok { background: rgba(22, 163, 74, .12); color: var(--ok); }
.exam-state.is-none { background: var(--surface-3); color: var(--text-3); }
.exam-card h3 { font-size: 18px; }
.exam-desc { color: var(--text-3); font-size: 13px; margin: 0; }
.exam-subjects { display: flex; gap: 6px; flex-wrap: wrap; }
.exam-sub { display: inline-flex; align-items: baseline; gap: 4px; padding: 3px 10px; border-radius: 99px; font-size: 12px; font-weight: 600;
  color: var(--sc, var(--primary)); background: color-mix(in srgb, var(--sc, var(--primary)) 12%, transparent); }
.exam-sub i { font-style: normal; font-size: 10.5px; opacity: .75; }
.exam-card-foot { display: flex; align-items: center; justify-content: space-between; gap: 10px; margin-top: auto; padding-top: 14px; border-top: 1px solid var(--border); }
.exam-count { font-size: 12px; color: var(--text-3); display: inline-flex; align-items: center; gap: 5px; }

/* 成绩单 */
.page-plain { background: var(--bg); }
.sheet-topbar { position: sticky; top: 0; z-index: 30; background: color-mix(in srgb, var(--bg) 85%, transparent); backdrop-filter: blur(14px); border-bottom: 1px solid var(--border); }
.sheet-topbar-inner { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 12px 0; flex-wrap: wrap; }
.sheet-topbar-right { display: flex; align-items: center; gap: 10px; }
.sheet-hint { display: inline-flex; align-items: center; gap: 6px; font-size: 12.5px; color: var(--text-3); }
.sheet-wrap { padding: 26px 0 60px; }
.score-sheet {
  position: relative; overflow: hidden; background: var(--surface); border: 1px solid var(--border-2);
  border-radius: var(--r-xl); box-shadow: var(--shadow-lg); isolation: isolate;
}
.score-sheet::before {
  content: ''; position: absolute; inset: 0; z-index: 0; pointer-events: none;
  background:
    radial-gradient(circle at 12% 8%, color-mix(in srgb, var(--primary) 8%, transparent), transparent 45%),
    radial-gradient(circle at 88% 92%, color-mix(in srgb, var(--primary-2) 8%, transparent), transparent 45%);
}
.wm-layer { position: absolute; inset: 0; pointer-events: none; user-select: none; }
.wm-tile-a { z-index: 2; background-repeat: repeat; background-size: 520px 340px; opacity: .9; mix-blend-mode: multiply; }
.wm-tile-b { z-index: 3; background-repeat: repeat; background-size: 400px 260px; transform: scaleX(-1) rotate(6deg); opacity: .8; mix-blend-mode: multiply; }
[data-theme="dark"] .wm-tile-a, [data-theme="dark"] .wm-tile-b { mix-blend-mode: screen; opacity: .5; }
.wm-micro { z-index: 4; }
.micro-t { position: absolute; font-family: var(--mono); font-size: 9px; letter-spacing: .12em; color: var(--text-3); opacity: .3; white-space: nowrap; }
.wm-emblem { z-index: 5; display: grid; place-items: center; }
.wm-emblem .emblem {
  font-size: clamp(50px, 12vw, 130px); font-weight: 800; letter-spacing: .1em;
  color: color-mix(in srgb, var(--primary) 9%, transparent);
  transform: rotate(-18deg); white-space: nowrap; font-family: var(--font);
}
.wm-emblem .emblem-sub { position: absolute; bottom: 12%; font-size: 13px; letter-spacing: .5em; color: color-mix(in srgb, var(--primary) 14%, transparent); }
.sheet-body { position: relative; z-index: 6; padding: 34px 40px 30px; }
.sheet-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 20px; padding-bottom: 20px; border-bottom: 2px solid var(--border-2); flex-wrap: wrap; }
.sheet-brand { display: flex; gap: 12px; align-items: center; }
.sheet-brand b { display: block; font-size: 19px; letter-spacing: .06em; }
.sheet-brand i { font-style: normal; font-size: 11.5px; color: var(--text-3); letter-spacing: .1em; }
.sheet-meta { display: flex; gap: 22px; flex-wrap: wrap; }
.sheet-meta div { display: flex; flex-direction: column; }
.sheet-meta span { font-size: 11.5px; color: var(--text-3); }
.sheet-meta b { font-size: 13.5px; }
.verify-code { color: var(--primary); letter-spacing: .06em; }
.sheet-student { display: flex; align-items: center; gap: 18px; padding: 22px 0; border-bottom: 1px dashed var(--border-2); flex-wrap: wrap; }
.stu-info { flex: 1; min-width: 180px; }
.stu-info h1 { font-size: 24px; }
.stu-meta { display: flex; gap: 14px; font-size: 12.5px; color: var(--text-3); flex-wrap: wrap; }
.stu-exam { text-align: right; }
.stu-exam b { display: block; font-size: 15px; }
.stu-exam span { font-size: 12.5px; color: var(--text-3); }
.sheet-notice { margin: 18px 0 0; }
.score-table { width: 100%; border-collapse: collapse; margin: 20px 0; font-size: 14px; }
.score-table th { text-align: left; padding: 11px 12px; font-size: 12.5px; color: var(--text-3); font-weight: 600; border-bottom: 2px solid var(--border-2); background: color-mix(in srgb, var(--surface-2) 70%, transparent); }
.score-table td { padding: 13px 12px; border-bottom: 1px solid var(--border); }
.score-table .col-sub { display: flex; align-items: center; gap: 8px; font-weight: 600; }
.sub-ic { width: 26px; height: 26px; border-radius: 8px; display: grid; place-items: center; font-size: 14px; color: var(--sc, var(--primary)); background: color-mix(in srgb, var(--sc, var(--primary)) 13%, transparent); }
.col-score { font-family: var(--mono); font-size: 17px; font-weight: 700; }
.absent-tag { display: inline-block; padding: 2px 10px; border-radius: 99px; font-size: 12px; font-family: var(--font); font-weight: 600; color: var(--danger); background: rgba(225, 29, 72, .1); }
.row-absent { background: color-mix(in srgb, var(--danger) 4%, transparent); }
.rate-bar { width: 100px; height: 5px; border-radius: 99px; background: var(--surface-3); overflow: hidden; display: inline-block; vertical-align: middle; }
.rate-bar span { display: block; height: 100%; border-radius: 99px; background: linear-gradient(90deg, var(--primary), var(--primary-2)); transition: width 1s var(--ease-out); }
.rate-num { font-style: normal; font-size: 11.5px; color: var(--text-3); margin-left: 6px; }
.score-table tfoot td { border-top: 2px solid var(--border-2); border-bottom: none; padding-top: 16px; }
.score-table tfoot .total { font-size: 22px; color: var(--primary); }
.total-note { font-size: 12.5px; color: var(--text-3); }
.sheet-note { display: flex; align-items: center; gap: 8px; padding: 10px 14px; background: var(--surface-2); border-radius: var(--r-md); font-size: 13px; color: var(--text-2); }
.sheet-foot { display: grid; grid-template-columns: 1.4fr 1fr; gap: 20px; margin-top: 26px; padding-top: 20px; border-top: 1px dashed var(--border-2); }
.foot-verify b { display: flex; align-items: center; gap: 7px; font-size: 13.5px; margin-bottom: 6px; }
.foot-verify p { font-size: 12.5px; color: var(--text-2); margin: 0 0 6px; }
.foot-hash { font-size: 10.5px; color: var(--text-3); word-break: break-all; }
.foot-warn { display: flex; gap: 9px; padding: 12px 14px; background: rgba(217, 119, 6, .08); border: 1px solid rgba(217, 119, 6, .22); border-radius: var(--r-md); color: var(--warn); font-size: 12px; }
.foot-warn p { margin: 0; }
.sheet-actions { display: flex; gap: 10px; justify-content: center; padding: 26px 0 0; flex-wrap: wrap; }

/* 校验页 */
.verify-form { margin-bottom: 22px; }
.verify-input { position: relative; display: flex; gap: 10px; align-items: center; }
.verify-input .vi-ic { position: absolute; left: 16px; color: var(--text-3); font-size: 18px; }
.verify-input input { padding-left: 46px !important; font-family: var(--mono); font-size: 17px !important; letter-spacing: .12em; text-transform: uppercase; }
.verify-input .btn { flex-shrink: 0; }
.verify-result { padding: 24px; border-radius: var(--r-lg); border: 1px solid var(--border); background: var(--surface); box-shadow: var(--shadow-xs); margin-bottom: 20px; }
.verify-result.is-valid { border-color: rgba(22, 163, 74, .35); box-shadow: 0 10px 30px -18px rgba(22, 163, 74, .7); }
.verify-result.is-invalid { border-color: rgba(225, 29, 72, .3); }
.vr-head { display: flex; gap: 16px; align-items: center; margin-bottom: 18px; }
.vr-head h2 { font-size: 18px; }
.vr-head p { margin: 4px 0 0; color: var(--text-3); }
.vr-tip { display: flex; align-items: center; gap: 7px; font-size: 12.5px; color: var(--text-3); margin: 14px 0 0; }

/* ---------------------------------------------------------------- 公告详情 */
.ann-list { display: flex; flex-direction: column; gap: 12px; }
.ann-item { display: flex; gap: 16px; align-items: center; padding: 18px 20px; background: var(--surface); border: 1px solid var(--border); border-radius: var(--r-lg); color: var(--text); box-shadow: var(--shadow-xs); transition: all .25s var(--ease-out); }
.ann-item:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); border-color: color-mix(in srgb, var(--tone, var(--primary)) 35%, transparent); }
.ann-item.is-pinned { border-left: 3px solid var(--danger); }
.ai-left { flex-shrink: 0; }
.ai-ic { width: 44px; height: 44px; border-radius: 13px; display: grid; place-items: center; font-size: 22px; background: color-mix(in srgb, var(--tone, var(--primary)) 13%, transparent); color: var(--tone, var(--primary)); }
.ai-body { flex: 1; min-width: 0; }
.ai-head { display: flex; align-items: center; gap: 9px; flex-wrap: wrap; }
.ai-head h3 { font-size: 16px; }
.ai-lv { font-size: 11.5px; padding: 1px 8px; border-radius: 99px; background: color-mix(in srgb, var(--tone, var(--primary)) 13%, transparent); color: var(--tone, var(--primary)); font-weight: 600; }
.ai-body > p { color: var(--text-3); font-size: 13px; margin: 6px 0 6px; }
.ai-meta { display: flex; gap: 14px; font-size: 12px; color: var(--text-3); }
.ai-meta .iconify { margin-right: 4px; }
.ai-go { color: var(--text-3); font-size: 20px; transition: transform .25s var(--ease-out); }
.ann-item:hover .ai-go { transform: translateX(4px); color: var(--primary); }
.ann-detail { padding: 32px; background: var(--surface); border: 1px solid var(--border); border-radius: var(--r-xl); box-shadow: var(--shadow-xs); position: relative; overflow: hidden; }
.ann-detail::before { content: ''; position: absolute; left: 0; top: 0; bottom: 0; width: 4px; background: var(--tone, var(--primary)); }
.ann-detail.lv-red { --tone: var(--danger); } .ann-detail.lv-amber { --tone: var(--warn); } .ann-detail.lv-blue { --tone: var(--primary); }
.ad-tags { display: flex; align-items: center; gap: 10px; margin-bottom: 14px; flex-wrap: wrap; }
.ad-author { display: inline-flex; align-items: center; gap: 5px; font-size: 12.5px; color: var(--text-3); }
.ad-head h1 { font-size: 27px; line-height: 1.35; }
.ad-meta { display: flex; gap: 16px; margin-top: 12px; font-size: 12.5px; color: var(--text-3); flex-wrap: wrap; }
.ad-body { padding: 24px 0; font-size: 15.5px; line-height: 1.85; }
.ad-foot { display: flex; justify-content: space-between; gap: 10px; padding-top: 18px; border-top: 1px solid var(--border); flex-wrap: wrap; }

/* ---------------------------------------------------------------- 关于页 */
.about-hero { padding: 54px 0 30px; text-align: center; }
.about-hero h1 { font-size: clamp(28px, 4.6vw, 42px); margin-bottom: 14px; }
.about-hero > .container > p { color: var(--text-2); font-size: 16px; }
.about-quote { position: relative; display: inline-block; margin-top: 20px; padding: 14px 24px; background: var(--surface); border: 1px solid var(--border); border-radius: var(--r-lg); color: var(--text-2); box-shadow: var(--shadow-xs); }
.about-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 18px; padding-bottom: 30px; }
.about-card { padding: 26px; background: var(--surface); border: 1px solid var(--border); border-radius: var(--r-xl); box-shadow: var(--shadow-xs); }
.about-card h2 { display: flex; align-items: center; gap: 9px; font-size: 18px; margin-bottom: 14px; }
.about-card h2 .iconify { color: var(--primary); }
.about-card p { color: var(--text-2); font-size: 14px; }
.about-list { list-style: none; padding: 0; margin: 14px 0 0; }
.about-list li { display: flex; align-items: flex-start; gap: 9px; padding: 6px 0; font-size: 13.5px; color: var(--text-2); }
.about-list .iconify { color: var(--ok); margin-top: 4px; }
.role-table { display: flex; flex-direction: column; gap: 12px; }
.role-row { display: flex; align-items: center; gap: 12px; padding: 12px 14px; background: var(--surface-2); border-radius: var(--r-md); flex-wrap: wrap; }
.rr-name { flex-shrink: 0; }
.rr-desc { flex: 1; min-width: 160px; font-size: 12.5px; color: var(--text-2); }
.rr-weight { font-size: 11.5px; color: var(--text-3); font-family: var(--mono); }

/* ---------------------------------------------------------------- 发布页 */
.post-form { display: flex; flex-direction: column; }
.md-toolbar { display: flex; align-items: center; gap: 4px; padding: 8px 10px; background: var(--surface-2); border: 1px solid var(--border); border-bottom: none; border-radius: var(--r-md) var(--r-md) 0 0; flex-wrap: wrap; }
.md-btn { display: inline-flex; align-items: center; gap: 5px; padding: 5px 10px; border-radius: var(--r-sm); background: none; border: none; color: var(--text-2); font-size: 12.5px; cursor: pointer; transition: background-color .18s, color .18s; }
.md-btn:hover { background: var(--surface-3); color: var(--primary); }
.md-hint { margin-left: auto; font-size: 11.5px; color: var(--text-3); }
.md-toolbar + textarea { border-radius: 0 0 var(--r-md) var(--r-md) !important; }
.dropzone { display: flex; flex-direction: column; align-items: center; gap: 5px; padding: 26px; text-align: center; cursor: pointer;
  background: var(--surface-2); border: 2px dashed var(--border-2); border-radius: var(--r-lg); transition: all .25s var(--ease-out); }
.dropzone:hover, .dropzone.is-drag { border-color: var(--primary); background: var(--primary-soft); transform: translateY(-2px); }
.dz-ic { font-size: 34px; color: var(--primary); }
.dropzone b { font-size: 14px; }
.dropzone span { font-size: 12px; color: var(--text-3); }
.preview-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(110px, 1fr)); gap: 10px; margin-top: 12px; }
.preview-item { position: relative; aspect-ratio: 1; border-radius: var(--r-md); overflow: hidden; border: 1px solid var(--border); animation: pop-in .35s var(--ease-out); }
.preview-item img { width: 100%; height: 100%; object-fit: cover; }
.preview-remove { position: absolute; top: 6px; right: 6px; width: 24px; height: 24px; border-radius: 50%; display: grid; place-items: center;
  background: rgba(0, 0, 0, .6); color: #fff; border: none; cursor: pointer; font-size: 14px; }
@keyframes pop-in { from { opacity: 0; transform: scale(.9); } to { opacity: 1; transform: none; } }
.file-preview { display: flex; flex-direction: column; gap: 8px; margin-top: 12px; }
.fp-item { display: flex; align-items: center; gap: 10px; padding: 10px 14px; background: var(--surface-2); border: 1px solid var(--border); border-radius: var(--r-md); font-size: 13px; }
.fp-item b { flex: 1; font-weight: 500; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.fp-item span { color: var(--text-3); font-size: 12px; font-family: var(--mono); }
.fp-item button { border: none; background: none; color: var(--text-3); cursor: pointer; }
.fp-item button:hover { color: var(--danger); }

/* ---------------------------------------------------------------- 后台 */
.page-admin { background: var(--bg-soft); }
.admin-topbar { position: sticky; top: 0; z-index: 50; background: color-mix(in srgb, var(--surface) 88%, transparent); backdrop-filter: blur(16px); border-bottom: 1px solid var(--border); }
.admin-topbar-inner { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 12px 24px; }
.admin-topbar-right { display: flex; align-items: center; gap: 10px; }
.admin-role-chip { font-size: 12px; }
.admin-burger { display: none; }
.admin-wrap { display: grid; grid-template-columns: 232px minmax(0, 1fr); gap: 22px; padding: 22px 24px 60px; max-width: 1560px; margin: 0 auto; }
.admin-side { position: sticky; top: 84px; align-self: start; display: flex; flex-direction: column; gap: 14px; padding: 16px; background: var(--surface); border: 1px solid var(--border); border-radius: var(--r-lg); box-shadow: var(--shadow-xs); max-height: calc(100vh - 110px); overflow-y: auto; }
.admin-side-head { display: flex; gap: 11px; align-items: center; padding-bottom: 14px; border-bottom: 1px solid var(--border); }
.admin-side-head strong { display: block; font-size: 14px; }
.admin-nav { display: flex; flex-direction: column; gap: 2px; }
.admin-nav-item { display: flex; align-items: center; gap: 10px; padding: 9px 12px; border-radius: var(--r-md); color: var(--text-2); font-size: 13.5px; font-weight: 550; transition: all .2s; }
.admin-nav-item:hover { background: var(--surface-2); color: var(--text); }
.admin-nav-item.is-active { background: linear-gradient(135deg, var(--primary), var(--primary-2)); color: #fff; box-shadow: 0 8px 20px -12px rgba(79, 107, 255, .9); }
.admin-nav-item .iconify { font-size: 16px; }
.admin-nav-item .crown-ic { margin-left: auto; font-size: 13px; opacity: .8; }
.admin-nav-sep { font-size: 11px; color: var(--text-3); letter-spacing: .08em; padding: 14px 12px 4px; }
.admin-side-foot { margin-top: auto; display: flex; flex-direction: column; gap: 7px; padding-top: 12px; border-top: 1px solid var(--border); }
.admin-main { min-width: 0; display: flex; flex-direction: column; gap: 18px; }
.admin-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.admin-head h1 { font-size: 24px; }
.admin-head p { color: var(--text-3); font-size: 13px; margin: 5px 0 0; }
.admin-head-actions { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.admin-cols { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; align-items: start; }
.admin-cols-wide { grid-template-columns: minmax(0, .85fr) minmax(0, 1.15fr); }
.admin-col { display: flex; flex-direction: column; gap: 18px; min-width: 0; }
.admin-card { padding: 20px; background: var(--surface); border: 1px solid var(--border); border-radius: var(--r-lg); box-shadow: var(--shadow-xs); }
.ac-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 16px; flex-wrap: wrap; }
.ac-head h2 { display: flex; align-items: center; gap: 8px; font-size: 15.5px; }
.ac-head h2 .iconify { color: var(--primary); }
.ac-more { display: inline-flex; align-items: center; gap: 4px; font-size: 12.5px; }
.stat-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 14px; }
.stat-card { position: relative; padding: 20px; background: var(--surface); border: 1px solid var(--border); border-radius: var(--r-lg); box-shadow: var(--shadow-xs); overflow: hidden; transition: transform .25s var(--ease-out), box-shadow .25s; }
.stat-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); }
.stat-card::after { content: ''; position: absolute; right: -30px; top: -30px; width: 110px; height: 110px; border-radius: 50%; background: radial-gradient(circle, color-mix(in srgb, var(--tone) 22%, transparent), transparent 70%); }
.sc-icon { width: 40px; height: 40px; border-radius: 12px; display: grid; place-items: center; font-size: 20px; background: color-mix(in srgb, var(--tone) 14%, transparent); color: var(--tone); margin-bottom: 12px; }
.stat-card b { display: block; font-size: 27px; font-family: var(--mono); line-height: 1.2; }
.sc-label { font-size: 13px; color: var(--text-2); }
.sc-sub { display: block; font-size: 11.5px; color: var(--text-3); font-style: normal; margin-top: 4px; }
.tone-blue { --tone: var(--primary); } .tone-violet { --tone: var(--violet); } .tone-teal { --tone: var(--teal); } .tone-amber { --tone: var(--amber); }
.table-wrap { overflow-x: auto; border-radius: var(--r-md); }
.admin-table { width: 100%; border-collapse: collapse; font-size: 13.5px; min-width: 640px; }
.admin-table th { text-align: left; padding: 10px 12px; font-size: 12px; color: var(--text-3); font-weight: 600; border-bottom: 1px solid var(--border-2); white-space: nowrap; }
.admin-table td { padding: 11px 12px; border-bottom: 1px solid var(--border); vertical-align: middle; }
.admin-table tbody tr { transition: background-color .18s; }
.admin-table tbody tr:hover { background: var(--surface-2); }
.admin-table tr.row-banned { background: rgba(225, 29, 72, .05); }
.admin-table tr.row-banned td { color: var(--text-3); }
.cell-title { max-width: 300px; }
.cell-title a { font-weight: 600; color: var(--text); }
.cell-title a:hover { color: var(--primary); }
.cell-tags { display: flex; gap: 5px; flex-wrap: wrap; align-items: center; margin-top: 5px; }
.row-actions { display: flex; gap: 4px; align-items: center; justify-content: flex-end; flex-wrap: wrap; }
.th-actions { text-align: right; }
.user-cell { display: flex; align-items: center; gap: 9px; color: var(--text); }
.user-cell b { display: block; font-size: 13.5px; }
.tag-add-form { display: inline-flex; align-items: center; gap: 2px; }
.tag-add-form input { width: 66px; padding: 3px 8px !important; font-size: 11.5px !important; border-radius: 99px !important; }
.user-mini-list { display: flex; flex-direction: column; gap: 8px; }
.user-mini { display: flex; align-items: center; gap: 10px; padding: 8px; border-radius: var(--r-md); color: var(--text); }
.user-mini:hover { background: var(--surface-2); }
.user-mini b { font-size: 13.5px; display: block; }
.user-mini i { margin-left: auto; }
.log-list { list-style: none; padding: 0; margin: 0; max-height: 220px; overflow-y: auto; }
.log-list li { padding: 5px 8px; border-radius: var(--r-sm); color: var(--text-3); word-break: break-all; }
.log-list li:nth-child(odd) { background: var(--surface-2); }
.perm-list { display: flex; flex-wrap: wrap; gap: 7px; }
.perm-item { display: inline-flex; align-items: center; gap: 5px; padding: 5px 11px; border-radius: 99px; font-size: 12px; }
.perm-item.is-on { background: rgba(22, 163, 74, .11); color: var(--ok); }
.perm-item.is-off { background: var(--surface-3); color: var(--text-3); text-decoration: line-through; opacity: .7; }
.filter-form { display: flex; align-items: center; gap: 8px; padding: 6px 10px; background: var(--surface); border: 1px solid var(--border); border-radius: 99px; position: relative; }
.filter-form.mini { padding: 3px 10px; }
.filter-form .ff-ic { color: var(--text-3); }
.filter-form input, .filter-form select { border: none !important; background: none !important; padding: 5px 2px !important; font-size: 13px; width: auto; box-shadow: none !important; }
.filter-form input[type="search"] { width: 150px; }
.exam-picker { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; }
.exam-picker label { display: inline-flex; align-items: center; gap: 7px; font-size: 13.5px; font-weight: 600; color: var(--text-2); }
.exam-picker select { width: auto; min-width: 260px; }
.ep-meta { font-size: 12.5px; color: var(--text-3); }
.score-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(120px, 1fr)); gap: 12px; }
.score-field label { font-size: 12px; }
.score-field input { font-family: var(--mono); }
.score-table-admin td, .score-table-admin th { white-space: nowrap; }
.cell-absent { color: var(--danger); font-size: 12.5px; }
.subject-config { display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); gap: 10px; }
.sc-item { display: flex; align-items: center; gap: 8px; padding: 9px 12px; background: var(--surface-2); border: 1px solid var(--border); border-radius: var(--r-md); font-size: 13px; }
.sc-name { flex: 1; }
.sc-full { width: 62px !important; padding: 5px 8px !important; font-size: 12.5px !important; text-align: center; }
.exam-admin-list, .ann-admin-list { display: flex; flex-direction: column; gap: 12px; }
.exam-admin-item, .ann-admin-item { padding: 15px; background: var(--surface-2); border: 1px solid var(--border); border-radius: var(--r-md); }
.ann-admin-item { border-left: 3px solid var(--tone, var(--primary)); }
.ann-admin-item.lv-red { --tone: var(--danger); } .ann-admin-item.lv-amber { --tone: var(--warn); } .ann-admin-item.lv-blue { --tone: var(--primary); }
.aai-head { display: flex; align-items: center; gap: 9px; margin-bottom: 8px; flex-wrap: wrap; }
.aai-head time { margin-left: auto; }
.aai-title { display: block; font-size: 14.5px; margin-bottom: 4px; }
.aai-actions { display: flex; gap: 6px; margin-top: 10px; flex-wrap: wrap; }
.eai-head { display: flex; align-items: center; justify-content: space-between; gap: 10px; margin-bottom: 8px; flex-wrap: wrap; }
.eai-meta { display: flex; gap: 14px; font-size: 12px; color: var(--text-3); margin-bottom: 10px; flex-wrap: wrap; }
.eai-meta .iconify { margin-right: 4px; }
.eai-subs { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 12px; }
.eai-actions { display: flex; gap: 6px; flex-wrap: wrap; }
.modal { border: none; border-radius: var(--r-lg); padding: 0; background: var(--surface); color: var(--text); box-shadow: var(--shadow-lg); max-width: 420px; width: calc(100% - 40px); }
.modal::backdrop { background: rgba(10, 12, 18, .55); backdrop-filter: blur(3px); }
.modal-form { padding: 24px; }
.modal-form h3 { display: flex; align-items: center; gap: 8px; font-size: 17px; margin-bottom: 10px; }
.modal-foot { display: flex; justify-content: flex-end; gap: 10px; margin-top: 20px; }

/* ---------------------------------------------------------------- 响应式 */
@media (max-width: 1080px) {
  .hero-inner { grid-template-columns: 1fr; gap: 30px; }
  .hero-visual { min-height: 320px; }
  .home-cols, .feed-layout, .post-layout, .admin-cols, .admin-cols-wide { grid-template-columns: 1fr; }
  .home-col-side, .feed-side, .post-side, .settings-side { position: static; }
  .hero-strip { grid-template-columns: repeat(2, 1fr); }
  .admin-wrap { grid-template-columns: 1fr; }
  .admin-side { position: static; max-height: none; }
  .admin-side.is-collapsed { display: none; }
  .admin-burger { display: inline-grid; }
  .settings-layout { grid-template-columns: 1fr; }
  .settings-side { flex-direction: row; overflow-x: auto; position: static; }
  .auth-inner { grid-template-columns: 1fr; gap: 30px; }
  .auth-side { order: -1; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .ann-card-lead { grid-column: span 1; }
}
@media (max-width: 860px) {
  .nav-links { display: none; }
  .nav-burger { display: inline-grid; }
  .nav.is-open .nav-links {
    display: flex; flex-direction: column; align-items: stretch; position: absolute; left: 0; right: 0; top: var(--nav-h);
    background: var(--surface); border-bottom: 1px solid var(--border); padding: 10px 20px 16px;
    box-shadow: var(--shadow-md); animation: slide-down .28s var(--ease-out);
  }
  .nav-link { padding: 12px 14px; border-radius: var(--r-md); }
  @keyframes slide-down { from { opacity: 0; transform: translateY(-8px); } to { opacity: 1; transform: none; } }
  .nav-ink { display: none; }
  .profile-stats { grid-template-columns: repeat(3, 1fr); }
  .profile-head { align-items: flex-start; }
  .sheet-body { padding: 24px 20px; }
  .sheet-foot { grid-template-columns: 1fr; }
  .sheet-head, .sheet-student { flex-direction: column; align-items: flex-start; }
  .stu-exam { text-align: left; }
  .score-table { font-size: 13px; }
  .score-table th, .score-table td { padding: 9px 7px; }
  .rate-bar { width: 56px; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
  .hero-stats { gap: 22px; }
  .to-top { right: 14px; bottom: 16px; }
  .container, .container.narrow { width: calc(100% - 28px); }
}
@media (max-width: 700px) {
  .score-table th:nth-child(6), .score-table td:nth-child(6) { display: none; }
}
@media (max-width: 560px) {
  .page-title { font-size: 22px; }
  .hero-title { font-size: 30px; }
  .post-main { padding: 20px 16px; }
  .score-table { display: block; overflow-x: auto; white-space: nowrap; }
  .sheet-body { padding: 18px 14px; }
  .stu-info h1 { font-size: 20px; }
  .profile-stats { grid-template-columns: repeat(2, 1fr); }
  .auth-card { padding: 24px 18px; }
  .auth-steps { grid-template-columns: 1fr; }
  .step { display: flex; align-items: center; gap: 10px; text-align: left; }
  .step-no { position: static; transform: none; }
  .step-ic { margin: 0; }
  .step i { display: none; }
  .admin-topbar-inner { padding: 10px 14px; }
  .admin-wrap { padding: 14px 14px 40px; }
  .filter-form { width: 100%; border-radius: var(--r-md); }
  .filter-form input[type="search"] { width: 100%; }
}

/* 打印：只保留成绩单 */
@media print {
  .sheet-topbar, .site-nav, .site-footer, .sheet-actions, .to-top, .bg-decor { display: none !important; }
  .score-sheet { box-shadow: none; border-color: #ccc; }
  .wm-layer { opacity: .5 !important; }
  body { background: #fff; }
}

/* 减少动效偏好 */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  [data-reveal] { opacity: 1 !important; transform: none !important; }
}

/* ---------------------------------------------------------------- 热门轮播（Swiper） */
.hot-swiper { padding: 4px 2px 40px; overflow: hidden; }
.hot-swiper .swiper-slide { height: auto; }
.hot-card {
  display: flex; flex-direction: column; gap: 10px; height: 100%; padding: 18px;
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--r-lg);
  box-shadow: var(--shadow-xs); color: var(--text);
  transition: transform .25s var(--ease-out), box-shadow .28s, border-color .28s;
}
.hot-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: color-mix(in srgb, var(--primary) 30%, transparent); }
.hot-top { display: flex; align-items: center; gap: 7px; }
.hot-no { color: var(--primary); font-size: 12px; font-weight: 700; }
.hot-hot { margin-left: auto; display: inline-flex; align-items: center; gap: 3px; font-size: 11.5px; color: var(--danger); font-weight: 600; }
.hot-title { font-size: 15.5px; line-height: 1.45; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.hot-text { color: var(--text-3); font-size: 12.5px; margin: 0; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.hot-foot { display: flex; align-items: center; gap: 8px; margin-top: auto; padding-top: 12px; border-top: 1px solid var(--border); }
.hot-author { font-size: 12.5px; color: var(--text-2); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; max-width: 40%; }
.hot-stats { margin-left: auto; display: inline-flex; align-items: center; gap: 9px; font-size: 12px; color: var(--text-3); }
.hot-stats .iconify { margin-right: 3px; }
.hot-swiper .swiper-pagination { bottom: 8px; }
.hot-swiper .swiper-pagination-bullet { background: var(--text-3); opacity: .35; }
.hot-swiper .swiper-pagination-bullet-active { background: var(--primary); opacity: 1; width: 18px; border-radius: 99px; }

/* ---------------------------------------------------------------- Markdown：代码块与 TeX 公式 */
/* 代码块：外层提供横向滑动，绝不撑破卡片 */
.code-wrap {
  position: relative; max-width: 100%; margin: 1.1em 0;
  background: var(--surface-2); border: 1px solid var(--border);
  border-radius: var(--r-md); overflow: hidden;
}
.code-wrap .code-block {
  margin: 0; padding: 16px 18px; background: transparent; border: none; border-radius: 0;
  overflow-x: auto; overflow-y: hidden; max-width: 100%;
  font-family: var(--mono); font-size: 13px; line-height: 1.7; tab-size: 2;
  -webkit-overflow-scrolling: touch;
}
.code-wrap .code-block code { white-space: pre; display: block; min-width: max-content; }
.code-lang {
  position: sticky; left: 10px; top: 6px; float: left; margin: -6px 0 0 -6px;
  font-size: 10.5px; letter-spacing: .08em; text-transform: uppercase;
  color: var(--text-3); background: var(--surface-3); border-radius: 6px; padding: 1px 7px;
  font-family: var(--font); pointer-events: none;
}
/* 滚动条在代码块里细一点 */
.code-wrap .code-block::-webkit-scrollbar { height: 8px; }
.code-wrap .code-block::-webkit-scrollbar-thumb { background: var(--border-2); border-radius: 99px; }

/* TeX 公式 */
.math-inline { white-space: nowrap; }
.math-block {
  display: block; max-width: 100%; margin: 1.05em 0; padding: 10px 4px;
  overflow-x: auto; overflow-y: hidden; -webkit-overflow-scrolling: touch;
  text-align: center; border-radius: var(--r-sm);
}
.math-block::-webkit-scrollbar { height: 8px; }
.math-block::-webkit-scrollbar-thumb { background: var(--border-2); border-radius: 99px; }
.math-block.is-scrollable { background: var(--surface-2); box-shadow: inset -14px 0 14px -14px rgba(20, 26, 41, .35); }
.katex { font-size: 1.06em; }
.katex-display { margin: .35em 0 !important; overflow-x: auto; overflow-y: hidden; padding: 2px 0; }
.katex-display > .katex { white-space: nowrap; }
.katex .base { color: inherit; }
[data-theme="dark"] .katex { color: var(--text); }
.katex-error { color: var(--danger) !important; background: rgba(225, 29, 72, .08); border-radius: 4px; padding: 0 4px; }

/* 兜底：任何超宽内容（表格/长公式/长链接）都在内容区内滑动，不撑破父级卡片 */
.post-content.md, .md { max-width: 100%; overflow-wrap: break-word; }
.post-content.md > table, .md > table { display: block; overflow-x: auto; max-width: 100%; }
.ad-body.md { max-width: 100%; }
.comment-body.md { max-width: 100%; }
@media print {
  .code-wrap .code-block, .math-block, .katex-display { overflow: visible !important; }
}
.md-btn-math { color: var(--primary); }
.md-btn-math:hover { background: var(--primary-soft); }
.md-hint code { background: var(--surface-3); border-radius: 5px; padding: 1px 5px; font-family: var(--mono); font-size: 11px; }