:root{--brand:#f36a21;--brand-dark:#dc5715;--brand-soft:#fff1e8;--brand-line:#ffd8c2;--ink:#1d1d1f;--ink-2:#3b3b3f;--muted:#6b6b70;--subtle:#9a9aa0;--page:#fbfbfd;--surface:#fff;--soft:#f5f5f7;--line:#e7e7e9;--success:#16865c;--warning:#c77a12;--radius:18px;--shadow:0 18px 50px rgba(29,29,31,.07);--max:1240px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--page);color:var(--ink);font-family:Inter,"Noto Sans SC","PingFang SC",sans-serif;-webkit-font-smoothing:antialiased}button,input,select{font:inherit}a{color:inherit;text-decoration:none}.wrap{width:min(var(--max),calc(100% - 48px));margin:auto}
.announce{height:34px;background:var(--brand);color:#fff;display:flex;align-items:center;justify-content:center;font-size:12px}.announce a{font-weight:700;margin-left:7px;border-bottom:1px solid #fff9}.nav-shell{position:sticky;top:0;z-index:30;background:#fffffff0;border-bottom:1px solid var(--line);backdrop-filter:blur(18px)}.nav{height:74px;display:flex;align-items:center;justify-content:space-between}.brand{display:flex;align-items:center;gap:10px;font-family:"Plus Jakarta Sans",sans-serif;font-size:21px;font-weight:700;letter-spacing:-.04em}.brand-mark{width:31px;height:31px;color:var(--brand);background:currentColor;-webkit-mask:url('../brand/skill-fingerprint.svg') center/contain no-repeat;mask:url('../brand/skill-fingerprint.svg') center/contain no-repeat}.nav-links{display:flex;align-items:center;gap:32px;color:var(--ink-2);font-size:14px}.nav-links a:hover,.nav-links a.active{color:var(--brand)}.nav-actions{display:flex;align-items:center;gap:9px}.icon-button{width:40px;height:40px;border:1px solid var(--line);border-radius:50%;background:#fff;display:grid;place-items:center;cursor:pointer}.pill-button{height:42px;padding:0 18px;border:0;border-radius:999px;background:var(--brand);color:#fff;display:inline-flex;align-items:center;justify-content:center;font-size:13px;font-weight:700;cursor:pointer}.menu-button{display:none}.mobile-menu{display:none;padding:8px 20px 16px;background:#fff;border-bottom:1px solid var(--line)}.mobile-menu.open{display:grid}.mobile-menu a{padding:12px 4px;border-bottom:1px solid #f1f1f2;font-size:13px}
.breadcrumb{display:flex;align-items:center;gap:8px;color:var(--subtle);font-size:12px;padding-top:27px}.breadcrumb a:hover{color:var(--brand)}.page-head{display:flex;align-items:flex-end;justify-content:space-between;gap:30px;padding:34px 0 38px}.page-head h1{font-family:"Plus Jakarta Sans","Noto Sans SC",sans-serif;font-size:46px;line-height:1.05;letter-spacing:-.05em;margin:0 0 12px}.page-head p{color:var(--muted);font-size:14px;line-height:1.7;margin:0}.page-search{width:min(430px,100%);height:50px;border:1px solid var(--line);border-radius:15px;background:#fff;display:flex;align-items:center;padding:0 15px;box-shadow:0 10px 30px rgba(29,29,31,.04)}.page-search svg{color:var(--subtle);flex:0 0 auto}.page-search input{border:0;outline:0;background:transparent;min-width:0;flex:1;padding:0 11px}.page-search kbd{background:var(--soft);border:1px solid var(--line);border-radius:6px;padding:3px 6px;color:var(--subtle);font-size:12px}
.market-layout{display:grid;grid-template-columns:245px minmax(0,1fr);gap:34px;padding-bottom:96px}.filter-panel{align-self:start;position:sticky;top:126px;background:#fff;border:1px solid var(--line);border-radius:18px;padding:21px}.filter-panel-head{display:flex;justify-content:space-between;align-items:center;padding-bottom:17px;border-bottom:1px solid var(--line)}.filter-panel-head strong{font-size:13px}.clear-filter{border:0;background:transparent;color:var(--brand);font-size:12px;cursor:pointer}.filter-group{padding:18px 0;border-bottom:1px solid #efeff0}.filter-group:last-child{border:0;padding-bottom:0}.filter-group h3{font-size:12px;margin:0 0 12px}.check{display:flex;align-items:center;gap:9px;margin:10px 0;color:var(--muted);font-size:12px;cursor:pointer}.check input{accent-color:var(--brand)}.check b{margin-left:auto;font-weight:400;color:var(--subtle);font-size:12px}.result-bar{display:flex;align-items:center;justify-content:space-between;gap:18px;margin-bottom:18px}.result-count{font-size:12px;color:var(--muted)}.result-count strong{color:var(--ink)}.result-actions{display:flex;align-items:center;gap:10px}.mobile-filter{display:none}.sort{height:38px;border:1px solid var(--line);background:#fff;border-radius:10px;padding:0 11px;color:var(--muted);font-size:12px}.active-filters{display:flex;gap:7px;flex-wrap:wrap;margin-bottom:18px}.active-chip{display:inline-flex;align-items:center;gap:6px;background:var(--brand-soft);color:#9f420f;border:1px solid var(--brand-line);padding:6px 9px;border-radius:999px;font-size:12px}.active-chip button{border:0;background:transparent;color:inherit;padding:0;cursor:pointer}.market-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.skill-card{background:#fff;border:1px solid var(--line);border-radius:17px;padding:20px;transition:.23s ease}.skill-card:hover{transform:translateY(-2px);border-color:var(--brand-line);box-shadow:var(--shadow)}.skill-head{display:flex;gap:12px;align-items:flex-start}.skill-icon{width:48px;height:48px;border-radius:14px;background:var(--soft);display:grid;place-items:center;color:var(--brand);font-weight:800;flex:0 0 auto}.skill-title{min-width:0}.skill-title h2{font-size:15px;margin:2px 0 5px}.skill-title span{font-size:12px;color:var(--muted)}.badge{margin-left:auto;padding:5px 8px;border-radius:999px;background:var(--brand-soft);color:#a8440f;font-size:12px;font-weight:700;white-space:nowrap}.skill-summary{height:44px;color:var(--muted);font-size:12px;line-height:1.65;margin:16px 0;overflow:hidden}.tags{display:flex;gap:6px;flex-wrap:wrap}.tag{padding:5px 8px;border-radius:999px;background:var(--soft);color:#737378;font-size:12px}.skill-stats{display:flex;align-items:center;justify-content:space-between;border-top:1px solid #f0f0f1;margin-top:16px;padding-top:13px;color:var(--subtle);font-size:12px}.stat-group{display:flex;gap:12px}.pagination{display:flex;justify-content:center;gap:6px;margin-top:32px}.page-button{width:36px;height:36px;border:1px solid var(--line);background:#fff;border-radius:10px;display:grid;place-items:center;font-size:12px;cursor:pointer}.page-button.active{background:var(--ink);border-color:var(--ink);color:#fff}
.footer{background:#fff;border-top:1px solid var(--line);padding:48px 0 26px}.footer-row{display:flex;align-items:center;justify-content:space-between;gap:30px}.footer p{color:var(--muted);font-size:12px}.footer-links{display:flex;gap:20px;color:var(--muted);font-size:12px}.copyright{border-top:1px solid var(--line);margin-top:30px;padding-top:20px;color:var(--subtle);font-size:12px;display:flex;justify-content:space-between}
@media(max-width:980px){.nav-links{display:none}.market-layout{grid-template-columns:1fr}.filter-panel{display:none;position:static}.filter-panel.open{display:block}.mobile-filter{display:inline-flex}.market-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:680px){.wrap{width:min(var(--max),calc(100% - 30px))}.announce{font-size:12px}.nav{height:66px}.nav-actions .pill-button{display:none}.menu-button{display:grid}.page-head{align-items:flex-start;flex-direction:column;padding:28px 0}.page-head h1{font-size:38px}.page-search{width:100%}.market-grid{grid-template-columns:1fr}.result-bar{align-items:flex-start;flex-direction:column}.result-actions{width:100%;justify-content:space-between}.footer-row{align-items:flex-start;flex-direction:column}.footer-links{flex-wrap:wrap}.copyright{align-items:flex-start;flex-direction:column;gap:8px}}

/* Unified directory filters and four-column cards */
.market-directory{padding-bottom:96px}.taxonomy-panel{background:#fff;border:1px solid var(--line);border-radius:20px;padding:20px;margin-bottom:18px}.taxonomy-title{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:15px}.taxonomy-title strong{font-size:13px}.taxonomy-title span{color:var(--subtle);font-size:12px}.category-tabs,.filter-scroll{display:flex;align-items:center;gap:8px;flex-wrap:wrap}.category-tab,.filter-pill,.advanced-toggle{height:38px;border:1px solid var(--line);border-radius:999px;background:#fff;color:var(--muted);padding:0 15px;display:inline-flex;align-items:center;gap:7px;font-size:12px;font-weight:600;cursor:pointer;transition:.18s ease}.category-tab b{font-size:12px;font-weight:500;color:var(--subtle)}.category-tab:hover,.filter-pill:hover,.advanced-toggle:hover{border-color:var(--brand-line);color:var(--brand)}.category-tab.active,.filter-pill.active{background:var(--ink);border-color:var(--ink);color:#fff}.category-tab.active b{color:#ffffffa8}.advanced-toggle{color:var(--ink);background:var(--soft)}.advanced-toggle:after{content:"+";font-size:15px;font-weight:400}.advanced-toggle.open{background:var(--brand-soft);border-color:var(--brand-line);color:var(--brand)}.advanced-toggle.open:after{content:"−"}.advanced-panel{display:none;background:#fff;border:1px solid var(--line);border-radius:20px;padding:22px;margin:-7px 0 18px}.advanced-panel.open{display:grid;grid-template-columns:repeat(4,1fr);gap:25px}.advanced-group h3{font-size:12px;margin:0 0 11px;color:var(--ink)}.choice-list{display:flex;gap:7px;flex-wrap:wrap}.choice-chip{position:relative;cursor:pointer}.choice-chip input{position:absolute;opacity:0;pointer-events:none}.choice-chip span{height:31px;border:1px solid var(--line);border-radius:9px;background:var(--page);color:var(--muted);padding:0 10px;display:inline-flex;align-items:center;font-size:12px}.choice-chip input:checked+span{border-color:var(--brand-line);background:var(--brand-soft);color:#a8440f}.advanced-actions{display:flex;align-items:flex-end;justify-content:flex-end;gap:8px}.filter-reset,.filter-apply{height:34px;border-radius:9px;padding:0 12px;font-size:12px;font-weight:600;cursor:pointer}.filter-reset{border:1px solid var(--line);background:#fff;color:var(--muted)}.filter-apply{border:1px solid var(--brand);background:var(--brand);color:#fff}.directory-toolbar{display:flex;align-items:center;justify-content:space-between;gap:18px;margin:23px 0 16px}.directory-toolbar .active-filters{margin:0}.directory-toolbar-right{display:flex;align-items:center;gap:9px}.market-grid{grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}.skill-card{padding:0;overflow:hidden}.skill-visual{height:116px;padding:15px;background:var(--soft);display:flex;align-items:flex-start;justify-content:space-between}.skill-visual.dark{background:var(--ink);color:#fff}.skill-visual.orange{background:var(--brand);color:#fff}.skill-visual .skill-icon{width:52px;height:52px;background:#fff;border:1px solid #ffffff8a;box-shadow:0 8px 24px #1d1d1f10}.skill-visual.dark .skill-icon,.skill-visual.orange .skill-icon{border-color:#ffffff22}.skill-visual .badge{margin:0;background:#ffffffd9;color:var(--ink)}.skill-card-body{padding:17px}.skill-card-body .skill-title h2{font-size:14px;margin:0 0 5px}.skill-card-body .skill-summary{height:38px;margin:13px 0;font-size:12px;line-height:1.75}.skill-card-body .skill-stats{font-size:12px;margin-top:14px}.content-filter-bar{display:flex;align-items:center;justify-content:space-between;gap:20px;background:#fff;border:1px solid var(--line);border-radius:16px;padding:10px 12px;margin-bottom:22px}.content-filter-bar .page-search{width:290px;height:40px;border-radius:11px;box-shadow:none}.filter-label{font-size:12px;font-weight:700;color:var(--subtle);margin-right:3px}.list-heading{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin:34px 0 20px}.list-heading h2{font-family:"Plus Jakarta Sans","Noto Sans SC",sans-serif;font-size:27px;letter-spacing:-.035em;margin:0}.list-heading p{color:var(--subtle);font-size:12px;margin:7px 0 0}
@media(max-width:1100px){.market-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.advanced-panel.open{grid-template-columns:repeat(2,1fr)}}
@media(max-width:820px){.market-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.content-filter-bar{align-items:flex-start;flex-direction:column}.content-filter-bar .page-search{width:100%}.filter-scroll{flex-wrap:nowrap;overflow-x:auto;width:100%;padding-bottom:2px}.filter-pill{white-space:nowrap}.directory-toolbar{align-items:flex-start;flex-direction:column}.directory-toolbar-right{width:100%;justify-content:space-between}}
@media(max-width:560px){.market-grid{grid-template-columns:1fr}.advanced-panel.open{grid-template-columns:1fr}.taxonomy-title{align-items:flex-start;flex-direction:column}.category-tabs{flex-wrap:nowrap;overflow-x:auto;padding-bottom:3px}.category-tab{white-space:nowrap}.advanced-actions{justify-content:flex-start}.skill-visual{height:126px}}

/* Cover-first cards: no temporary acronym logos */
.skill-visual{align-items:flex-end}.skill-cover-copy{display:grid;gap:5px}.skill-cover-copy small{font-size:12px;font-weight:700;letter-spacing:.11em;opacity:.72}.skill-cover-copy strong{font-family:"Plus Jakarta Sans","Noto Sans SC",sans-serif;font-size:15px;letter-spacing:-.025em}.skill-visual .badge{align-self:flex-start}.skill-visual.dark .skill-cover-copy small,.skill-visual.orange .skill-cover-copy small{color:#fff}.cover-fingerprint{width:34px;height:34px;color:currentColor;background:currentColor;opacity:.16;-webkit-mask:url('../brand/skill-fingerprint.svg') center/contain no-repeat;mask:url('../brand/skill-fingerprint.svg') center/contain no-repeat}.skill-visual>.cover-fingerprint{position:absolute;right:16px;bottom:13px}.skill-visual{position:relative}.tool-cover{height:128px;padding:16px;background:var(--soft);display:flex;flex-direction:column;justify-content:space-between}.tool-cover.dark{background:var(--ink);color:#fff}.tool-cover.orange{background:var(--brand);color:#fff}.tool-cover span:first-child{font-size:12px;font-weight:700;letter-spacing:.11em;opacity:.75}.tool-cover strong{font-family:"Plus Jakarta Sans","Noto Sans SC",sans-serif;font-size:17px;letter-spacing:-.03em}.cover-caption{max-width:170px;font-family:"Noto Sans SC",sans-serif;font-size:14px!important;line-height:1.45;letter-spacing:-.02em!important;font-weight:700!important;align-self:flex-end;opacity:.78}.dark .cover-caption,.orange .cover-caption{color:#fff}.article-thumb .cover-caption,.course-cover .cover-caption{font-family:"Noto Sans SC",sans-serif;font-size:14px;align-self:flex-end;opacity:.72}
.back-to-top{position:fixed;right:24px;bottom:24px;width:44px;height:44px;border:1px solid var(--line);border-radius:50%;background:#fff;color:var(--ink);box-shadow:0 12px 32px rgba(29,29,31,.12);display:grid;place-items:center;cursor:pointer;z-index:28;opacity:0;visibility:hidden;transform:translateY(8px);transition:.2s ease}.back-to-top.show{opacity:1;visibility:visible;transform:none}.back-to-top:hover{background:var(--brand);border-color:var(--brand);color:#fff}.back-to-top svg{width:17px;height:17px}@media(max-width:680px){.back-to-top{right:15px;bottom:18px;width:42px;height:42px}}

/* ================= 跨浏览器控件兼容补丁 ================= */
/* 1) 排序下拉: 统一外观(去系统原生样式, 自绘箭头), 修正 Safari 药丸形与高度跳动 */
select.sort{-webkit-appearance:none;appearance:none;padding:0 32px 0 11px;color:var(--muted);background-color:#fff;background-image:url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6' viewBox='0 0 10 6'%3E%3Cpath d='M1 1l4 4 4-4' fill='none' stroke='%239a9aa0' stroke-width='1.6' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 11px center;line-height:38px;text-indent:0.01px}
select.sort:focus{outline:none;border-color:var(--brand-line)}
select.sort::-ms-expand{display:none}
/* 2) 搜索框: 统一 Safari/Chrome 的清除按钮与光标 */
input[type=search]::-webkit-search-cancel-button{-webkit-appearance:none;width:14px;height:14px;background:url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 14 14'%3E%3Cpath d='M3 3l8 8M11 3l-8 8' stroke='%239a9aa0' stroke-width='1.5' stroke-linecap='round'/%3E%3C/svg%3E") center/contain no-repeat;cursor:pointer}
input[type=search],input[type=url],input[type=email]{-webkit-appearance:none;appearance:none}
/* 3) 按钮: 去触屏点击高亮/系统圆角, 统一手型与按压反馈 */
button{-webkit-tap-highlight-color:transparent;-webkit-appearance:none;appearance:none;border:0;border-radius:0;background:none;color:inherit}
.pill-button,.button-primary,.button-secondary,.filter-apply,.filter-reset,.tab-button,.copy-button,.page-button,.category-tab,.filter-pill,.advanced-toggle{cursor:pointer;-webkit-user-select:none;user-select:none;transition:transform .06s ease,background .15s ease,border-color .15s ease}
.pill-button:active,.button-primary:active,.filter-apply:active,.page-button:active{transform:scale(.97)}
/* 4) 键盘可达性: 统一焦点环(不影响鼠标点击) */
.category-tab:focus-visible,.filter-pill:focus-visible,.advanced-toggle:focus-visible,.filter-apply:focus-visible,.filter-reset:focus-visible,select.sort:focus-visible,.page-button:focus-visible,.button-primary:focus-visible,.button-secondary:focus-visible,.tab-button:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
/* 5) 高级筛选 choice-chip: Safari/Firefox 的隐藏 input 定位与选中反馈加固 */
.choice-chip{display:inline-flex}
.choice-chip input{position:absolute;opacity:0;width:0;height:0;margin:0;pointer-events:none}
.choice-chip span{transition:border-color .15s ease,background .15s ease,color .15s ease}
.choice-chip:hover span{border-color:var(--brand-line)}
/* 6) 表单控件在暗色封面上的对比兜底与字体统一 */
input,select,button,textarea{font-family:inherit}
button:disabled{opacity:.55;cursor:not-allowed}
/* 7) 高级筛选操作按钮对齐: 重置是链接(a 为 inline, height 不生效), 统一为弹性盒与按钮同高同基线 */
.filter-reset{display:inline-flex;align-items:center;justify-content:center;text-decoration:none;box-sizing:border-box}
.advanced-actions{align-items:center}

/* ================= 登录弹窗 / 导航用户区 ================= */
.nav-user{display:flex;align-items:center;gap:8px;padding:0 10px;height:40px;border-radius:999px}
.nav-user:hover{background:var(--soft)}
.nav-avatar{width:26px;height:26px;border-radius:50%;object-fit:cover;border:1px solid var(--line)}
.nav-username{font-size:12px;color:var(--ink-2);max-width:96px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.nav-login i,.nav-github-login i{font-size:15px}
.nav-login{display:inline-flex;align-items:center;gap:7px}
.mobile-menu a i{width:16px;margin-right:6px;color:var(--brand)}

.sc-modal{position:fixed;inset:0;z-index:200;display:none}
.sc-modal.open{display:block}
.sc-modal-mask{position:absolute;inset:0;background:rgba(29,29,31,.45);backdrop-filter:blur(4px)}
.sc-modal-card{position:relative;width:min(400px,calc(100% - 32px));margin:12vh auto 0;background:#fff;border-radius:20px;padding:30px 28px 22px;box-shadow:0 30px 80px rgba(29,29,31,.25);animation:scModalIn .22s ease}
@keyframes scModalIn{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}
.sc-modal-close{position:absolute;top:14px;right:14px;width:32px;height:32px;border:0;background:var(--soft);border-radius:50%;color:var(--muted);cursor:pointer;font-size:14px;display:grid;place-items:center}
.sc-modal-close:hover{background:var(--line);color:var(--ink)}
.sc-modal-head{text-align:center;margin-bottom:18px}
.sc-modal-head .brand-mark{width:38px;height:38px;margin:0 auto 10px;display:block}
.sc-modal-head h3{font-family:"Plus Jakarta Sans","Noto Sans SC",sans-serif;font-size:21px;margin:0 0 6px;letter-spacing:-.03em}
.sc-modal-head p{margin:0;font-size:12px;color:var(--muted)}
.sc-btn-github{display:flex;align-items:center;justify-content:center;gap:9px;height:46px;border-radius:12px;background:#1d1d1f;color:#fff;font-size:14px;font-weight:600}
.sc-btn-github:hover{background:#000}
.sc-btn-github i{font-size:18px}
.sc-divider{display:flex;align-items:center;gap:12px;margin:16px 0;color:var(--subtle);font-size:12px}
.sc-divider:before,.sc-divider:after{content:"";flex:1;height:1px;background:var(--line)}
.sc-tabs{display:flex;gap:6px;margin-bottom:14px;background:var(--soft);border-radius:10px;padding:4px}
.sc-tab{flex:1;height:34px;border:0;background:transparent;border-radius:8px;color:var(--muted);font-size:13px;font-weight:600;cursor:pointer}
.sc-tab.active{background:#fff;color:var(--ink);box-shadow:0 2px 8px rgba(29,29,31,.08)}
.sc-form{display:grid;gap:10px}
.sc-field{display:flex;align-items:center;gap:10px;height:46px;border:1px solid var(--line);border-radius:12px;padding:0 14px;background:var(--page)}
.sc-field:focus-within{border-color:var(--brand-line);background:#fff}
.sc-field i{color:var(--subtle);font-size:14px;width:16px;text-align:center}
.sc-field input{flex:1;min-width:0;border:0;outline:0;background:transparent;font-size:14px;color:var(--ink)}
.sc-btn-primary{height:46px;border:0;border-radius:12px;background:var(--brand);color:#fff;font-size:14px;font-weight:700;cursor:pointer;display:flex;align-items:center;justify-content:center;gap:8px}
.sc-btn-primary:hover{background:var(--brand-dark)}
.sc-btn-primary:disabled{opacity:.6;cursor:not-allowed}
.sc-modal-msg{min-height:18px;margin:10px 0 0;font-size:12px;text-align:center}
.sc-modal-msg.err{color:#c0392b}
.sc-modal-msg.ok{color:var(--success)}
.sc-modal-msg.muted{color:var(--subtle)}
.sc-modal-foot{margin:12px 0 0;text-align:center;font-size:12px;color:var(--subtle)}
.sc-modal-foot a{color:var(--muted);text-decoration:underline}

/* ================= 图标细节适配 ================= */
.fa-solid,.fa-regular,.fa-brands{-webkit-font-smoothing:antialiased}
.page-search span i{font-size:14px;color:var(--subtle)}
.icon-button i{font-size:15px}
.category-icon i{font-size:17px}
.project-stat b i{font-size:12px;margin-right:4px;color:var(--brand)}
.quick-row span i,.fact-row span i{width:15px;margin-right:6px;color:var(--brand);font-size:12px}
.side-card h3 i{margin-right:6px;font-size:12px;color:var(--brand)}
.section-kicker i{margin-right:5px}

/* ================= 导航登录按钮（合并版） ================= */
.nav-login{height:40px;padding:0 16px;display:inline-flex;align-items:center;gap:7px;font-size:13px;line-height:1}
.nav-login i{font-size:16px;line-height:1}
.nav-login:hover{background:var(--brand-dark)}

/* ================= 法定页（服务条款/隐私政策） ================= */
.legal-hero{padding:44px 0 8px;background:#fff;border-bottom:1px solid var(--line)}
.legal-head{max-width:760px;margin:24px auto 34px;text-align:center}
.legal-mark{width:64px;height:64px;border-radius:20px;background:var(--brand-soft);display:inline-grid;place-items:center;margin-bottom:16px}
.legal-mark .brand-mark{width:32px;height:32px;color:var(--brand)}
.legal-head h1{font-family:"Plus Jakarta Sans","Noto Sans SC",sans-serif;font-size:38px;letter-spacing:-.04em;margin:0 0 10px}
.legal-head p{color:var(--subtle);font-size:12px;margin:0}
.legal-head p i{margin-right:4px}
.legal-body{display:block;padding:44px 0 90px}
.legal-content{max-width:760px;margin:0 auto;padding:36px 40px;background:#fff;border:1px solid var(--line);border-radius:20px}
.legal-nav{max-width:760px;margin:22px auto 0;display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap}
.legal-nav a{display:inline-flex;align-items:center;gap:7px;padding:11px 16px;background:#fff;border:1px solid var(--line);border-radius:11px;font-size:12px;color:var(--ink-2)}
.legal-nav a:hover{border-color:var(--brand-line);color:var(--brand)}
@media(max-width:680px){.legal-content{padding:22px 18px}.legal-head h1{font-size:30px}}

/* ================= 关于页（重设计版） ================= */
.about-new-hero{position:relative;padding:88px 0 64px;background:#fff;border-bottom:1px solid var(--line);overflow:hidden}
.about-new-hero .watermark{position:absolute;right:-120px;top:-100px;width:460px;height:460px;background:var(--brand);opacity:.06;-webkit-mask:url('/static/skillcast/brand/skill-fingerprint.svg') center/contain no-repeat;mask:url('/static/skillcast/brand/skill-fingerprint.svg') center/contain no-repeat;transform:rotate(12deg)}
.about-fingerprint{width:150px;height:150px;margin:0 auto 26px;background:linear-gradient(135deg,var(--brand) 0%,#ff9a5c 55%,var(--ink) 130%);-webkit-mask:url('/static/skillcast/brand/skill-fingerprint.svg') center/contain no-repeat;mask:url('/static/skillcast/brand/skill-fingerprint.svg') center/contain no-repeat;filter:drop-shadow(0 18px 40px rgba(243,106,33,.28));animation:aboutFloat 5s ease-in-out infinite}
@keyframes aboutFloat{0%,100%{transform:translateY(0)}50%{transform:translateY(-8px)}}
.about-hero-copy{position:relative;max-width:680px;margin:0 auto;text-align:center}
.about-hero-copy .eyebrow{color:var(--brand);font-size:12px;font-weight:700;letter-spacing:.16em}
.about-hero-copy h1{font-family:"Plus Jakarta Sans","Noto Sans SC",sans-serif;font-size:clamp(34px,4.6vw,52px);line-height:1.12;letter-spacing:-.045em;margin:16px 0 16px}
.about-hero-copy h1 .accent{color:var(--brand)}
.about-hero-copy>p{color:var(--muted);font-size:15px;line-height:1.9;margin:0 0 26px}
.about-stats-row{display:flex;justify-content:center;gap:38px;margin-top:34px;flex-wrap:wrap}
.about-stat{text-align:center}
.about-stat b{display:flex;align-items:center;justify-content:center;gap:6px;font-family:"Plus Jakarta Sans",sans-serif;font-size:24px;letter-spacing:-.03em}
.about-stat b i{font-size:15px;color:var(--brand)}
.about-stat span{font-size:12px;color:var(--muted)}
.about-legal-cards{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:30px}
.about-legal-card{display:flex;align-items:center;gap:14px;background:var(--page);border:1px solid var(--line);border-radius:14px;padding:16px 18px}
.about-legal-card:hover{border-color:var(--brand-line);background:var(--brand-soft)}
.about-legal-card .icon{width:38px;height:38px;border-radius:11px;background:#fff;border:1px solid var(--line);display:grid;place-items:center;color:var(--brand);font-size:15px;flex:0 0 auto}
.about-legal-card strong{display:block;font-size:13px}
.about-legal-card small{color:var(--subtle);font-size:12px}
.about-legal-card .go{margin-left:auto;color:var(--subtle)}
@media(max-width:680px){.about-legal-cards{grid-template-columns:1fr}.about-stats-row{gap:22px}}

/* 验证码输入与发送按钮 */
.sc-field-code{padding-right:5px}
.sc-send-code{flex:0 0 auto;height:36px;padding:0 12px;border:0;border-radius:9px;background:var(--brand-soft);color:#a8440f;font-size:12px;font-weight:700;cursor:pointer;white-space:nowrap}
.sc-send-code:hover{background:var(--brand-line)}
.sc-send-code:disabled{cursor:not-allowed;opacity:.75}
.sc-hint{margin:2px 0 0;font-size:12px;color:var(--subtle);text-align:center}

/* ================= 用户中心 ================= */
.uc-hero{padding:34px 0 6px;background:#fff;border-bottom:1px solid var(--line)}
.uc-card{display:flex;align-items:center;gap:20px;margin:24px 0 30px;flex-wrap:wrap}
.uc-avatar{width:76px;height:76px;border-radius:50%;object-fit:cover;border:2px solid #fff;box-shadow:0 6px 20px rgba(29,29,31,.12)}
.uc-info{min-width:0;flex:1}
.uc-info h1{font-family:"Plus Jakarta Sans","Noto Sans SC",sans-serif;font-size:26px;letter-spacing:-.03em;margin:0 0 10px}
.uc-badges{display:flex;gap:8px;flex-wrap:wrap}
.uc-badge{display:inline-flex;align-items:center;gap:6px;padding:6px 11px;border-radius:999px;font-size:12px;font-weight:700}
.uc-badge.member{background:linear-gradient(120deg,#f36a21,#c77a12);color:#fff}
.uc-badge.plain{background:var(--soft);color:var(--muted)}
.uc-actions{display:flex;gap:9px;flex-wrap:wrap}
.uc-main{padding:30px 0 90px}
.uc-section{margin-bottom:36px}
.uc-section-head h2{font-family:"Plus Jakarta Sans","Noto Sans SC",sans-serif;font-size:22px;letter-spacing:-.03em;margin:0 0 18px;display:flex;align-items:center;gap:9px}
.uc-section-head h2 i{color:var(--brand);font-size:17px}
.uc-section-head small{color:var(--subtle);font-size:12px;font-weight:500}
.uc-empty{background:#fff;border:1px dashed var(--line);border-radius:18px;padding:48px 20px;text-align:center}
.uc-empty i{font-size:34px;color:var(--subtle)}
.uc-empty p{color:var(--muted);font-size:13px;margin:12px 0 18px}
.uc-empty .button-primary{display:inline-flex}
.uc-collect-group{background:#fff;border:1px solid var(--line);border-radius:16px;padding:18px 20px;margin-bottom:14px}
.uc-collect-group h3{display:flex;align-items:center;gap:8px;font-size:14px;margin:0 0 12px}
.uc-collect-group h3 i{color:var(--brand);font-size:13px}
.uc-collect-group h3 small{color:var(--subtle);font-size:12px;font-weight:500}
.uc-none{color:var(--subtle);font-size:12px;margin:0;padding:6px 0}
.uc-collect-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px 18px}
.uc-collect-item{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:9px 12px;border:1px solid #f0f0f1;border-radius:10px;background:var(--page)}
.uc-collect-link{flex:1;min-width:0;font-size:13px;color:var(--ink-2);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.uc-collect-link:hover{color:var(--brand)}
.uc-uncollect{flex:0 0 auto;border:0;background:transparent;color:var(--subtle);font-size:12px;cursor:pointer;display:inline-flex;align-items:center;gap:5px;padding:4px 6px;border-radius:7px}
.uc-uncollect i{color:#e05656;font-size:12px}
.uc-uncollect:hover{background:#faeceb;color:#c0392b}
.uc-quick-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
.uc-quick{display:flex;align-items:center;gap:13px;background:#fff;border:1px solid var(--line);border-radius:14px;padding:16px}
.uc-quick:hover{border-color:var(--brand-line)}
.uc-quick .icon{width:38px;height:38px;border-radius:11px;background:var(--brand-soft);color:var(--brand);display:grid;place-items:center;font-size:15px;flex:0 0 auto}
.uc-quick strong{display:block;font-size:13px}
.uc-quick small{color:var(--subtle);font-size:12px}
@media(max-width:820px){.uc-quick-grid{grid-template-columns:1fr 1fr}.uc-collect-list{grid-template-columns:1fr}.uc-actions{width:100%}}

/* ================= 用户子页（订阅/设置/邀请/通知） ================= */
.uc-page-head{margin:24px 0 30px}
.uc-page-head h1{font-family:"Plus Jakarta Sans","Noto Sans SC",sans-serif;font-size:30px;letter-spacing:-.035em;margin:0 0 8px;display:flex;align-items:center;gap:10px}
.uc-page-head h1 i{color:var(--brand);font-size:23px}
.uc-page-head p{color:var(--muted);font-size:13px;margin:0}
.uc-note{color:var(--subtle);font-size:11.5px;margin:14px 0 0}
.uc-note i{margin-right:4px;color:var(--brand)}
.uc-note a{color:var(--brand);text-decoration:underline}
/* 等级卡 */
.uc-plans{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:14px}
.uc-plan{position:relative;background:#fff;border:1px solid var(--line);border-radius:18px;padding:24px 20px;display:flex;flex-direction:column;transition:.2s ease}
.uc-plan:hover{transform:translateY(-2px);box-shadow:var(--shadow)}
.uc-plan.current{border-color:var(--brand-line);background:linear-gradient(180deg,#fff8f3,#fff)}
.uc-plan-badge{position:absolute;top:-11px;left:18px;padding:4px 10px;border-radius:999px;background:var(--brand);color:#fff;font-size:12px;font-weight:700}
.uc-plan h3{font-size:16px;margin:2px 0 12px}
.uc-plan-price{display:flex;align-items:baseline;gap:5px;margin-bottom:16px}
.uc-plan-price b{font-family:"Plus Jakarta Sans",sans-serif;font-size:30px;letter-spacing:-.03em;color:var(--ink)}
.uc-plan-price span{color:var(--subtle);font-size:12px}
.uc-plan-perks{list-style:none;margin:0 0 14px;padding:0;display:grid;gap:8px;flex:1}
.uc-plan-perks li{display:flex;align-items:center;gap:8px;font-size:12px;color:var(--muted)}
.uc-plan-perks i{color:var(--success);font-size:12px}
.uc-plan-prices{display:flex;gap:12px;margin-bottom:14px}
.uc-plan-prices span{font-size:12px;color:var(--subtle);background:var(--soft);padding:4px 9px;border-radius:7px}
.full-button{justify-content:center}
/* 设置双栏 */
.uc-two-col{display:grid