:root{color-scheme:light;--bg:#f4f7f3;--bg-soft:#fbfdf9;--surface:hsla(0,0%,100%,.94);--surface-strong:#fff;--line:rgba(19,91,67,.11);--text:#18352a;--muted:#667c73;--brand:#2d8c66;--brand-dark:#14543e;--brand-soft:#eaf5ef;--accent:#d9ecdf;--shadow:0 24px 60px rgba(18,72,53,.08);--radius-xl:32px;--radius-lg:24px;--radius-md:18px;--container:1240px}*{box-sizing:border-box}#__nuxt,body,html{min-height:100%}body{margin:0;font-family:PingFang SC,Microsoft YaHei,Segoe UI,sans-serif;color:var(--text);background:radial-gradient(circle at top left,rgba(135,197,168,.26),transparent 30%),radial-gradient(circle at top right,rgba(225,238,228,.8),transparent 24%),linear-gradient(180deg,#f4f8f4,#eef4ef)}a{color:inherit;text-decoration:none}.site-shell{min-height:100vh}.site-main{padding:28px 0 72px}.site-container{width:min(calc(100% - 32px),var(--container));margin:0 auto}.site-header{position:sticky;top:0;z-index:20;-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);background:#f4f8f4d6;border-bottom:1px solid var(--line)}.site-footer__inner,.site-header__inner{display:flex;align-items:center;justify-content:space-between;gap:24px}.site-header__inner{min-height:80px}.site-brand{display:inline-flex;align-items:center;gap:14px}.site-brand__mark{display:grid;place-items:center;width:48px;height:48px;border-radius:18px;background:linear-gradient(135deg,#1f7d5b,#49a27f);color:#f7fffa;font-weight:700;letter-spacing:1px}.site-brand__text{display:grid;gap:2px}.site-brand__text strong{font-size:18px}.article-detail__meta,.eyebrow,.news-card__meta,.site-brand__text small,.site-footer__meta{color:var(--muted)}.site-nav{display:inline-flex;align-items:center;gap:8px}.filter-chip,.site-nav__link{padding:10px 16px;border-radius:999px;transition:.2s ease}.filter-chip.is-active,.filter-chip:hover,.site-nav__link.is-active,.site-nav__link:hover{background:#2d8c661f;color:var(--brand-dark)}.feature-banner,.login-page,.mini-hero__grid,.mini-home-shell{display:grid;grid-template-columns:1.45fr .95fr;gap:24px}.article-detail,.empty-state,.feature-banner,.login-panel,.mini-hero__content,.mini-hero__panel-card,.mini-section,.news-card,.page-banner,.section-block,.side-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);box-shadow:var(--shadow)}.article-detail,.empty-state,.login-panel,.mini-hero__content,.mini-hero__panel-card,.mini-section,.page-banner,.side-card{padding:32px}.article-detail h1,.login-panel h1,.mini-hero h1,.page-banner h1{margin:0;font-size:clamp(36px,6vw,64px);line-height:1.05}.article-detail__subtitle,.login-panel p,.mini-hero__summary,.page-banner p,.site-footer__copy{line-height:1.75;color:var(--muted)}.eyebrow{margin:0 0 12px;font-size:13px;font-weight:700;letter-spacing:.18em;text-transform:uppercase}.mini-hero__actions,.news-card__footer,.section-heading{display:flex;align-items:center;justify-content:space-between;gap:16px}.button{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:0 20px;border-radius:999px;border:1px solid transparent;cursor:pointer;font:inherit}.button--primary{color:#f6fffb;background:linear-gradient(135deg,#1d7b5a,#3e9d79)}.button:disabled{opacity:.58}.button--ghost{border-color:var(--line);background:#ffffffb3}.button--block{width:100%}.info-list{margin:16px 0 0;padding-left:18px;line-height:1.8;color:var(--muted)}.page-home{display:grid;gap:24px}.mini-hero{padding-top:8px}.mini-hero__content{position:relative;overflow:hidden;min-height:340px;background:radial-gradient(circle at top right,rgba(100,178,141,.28),transparent 34%),linear-gradient(145deg,#f8fffb,#edf7f1)}.mini-hero__content:after{position:absolute;right:-48px;bottom:-72px;width:240px;height:240px;content:"";background:radial-gradient(circle,rgba(45,140,102,.13),transparent 68%)}.mini-hero__summary{max-width:680px}.mini-hero__actions{margin-top:28px;flex-wrap:wrap;justify-content:flex-start}.mini-hero__panel{display:grid}.mini-hero__panel-card{display:grid;align-content:start;min-height:340px;background:linear-gradient(180deg,#fffffff5,#f0f9f4f2)}.mini-hero__panel-label{margin:0;font-size:15px;font-weight:700;color:var(--brand-dark)}.mini-hero__stats{display:grid;gap:14px;margin-top:16px}.mini-stat{display:grid;gap:6px;padding:18px 20px;border-radius:18px;background:var(--brand-soft)}.mini-stat span{font-size:13px;color:var(--muted)}.mini-stat strong{font-size:18px;color:var(--brand-dark);word-break:break-word}.mini-home-main,.mini-home-side{display:grid;gap:24px;align-content:start}.mini-banner{display:grid;grid-template-columns:1.2fr .95fr;overflow:hidden;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-xl);box-shadow:var(--shadow)}.article-detail__cover,.feature-banner__image,.mini-banner__image,.news-card__cover{background-position:50%;background-repeat:no-repeat;background-size:cover}.mini-banner__image{min-height:320px}.mini-banner__body{display:grid;align-content:center;gap:14px;padding:34px}.article-detail h2,.chapter-card h3,.learning-card h3,.mini-banner__body h2,.mini-section h2,.service-card h3,.side-card h2,.topic-item-card h3{margin:0}.learning-card p,.learning-detail__text,.mini-banner__body p,.notice-item__body span,.quick-entry-card span,.section-description,.service-card p,.side-card__text{margin:0;line-height:1.75;color:var(--muted)}.mini-banner__tag,.notice-item__level,.service-card__tag{display:inline-flex;align-items:center;justify-content:center;width:-moz-fit-content;width:fit-content;min-height:28px;padding:0 12px;border-radius:999px;background:#2d8c661f;color:var(--brand-dark);font-size:13px;font-weight:700}.quick-entry-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}.quick-entry-card{display:grid;gap:10px;padding:22px 20px;border-radius:24px;background:linear-gradient(180deg,#fcfffd,#edf6f1);border:1px solid rgba(45,140,102,.12);transition:transform .2s ease}.category-pill:hover,.notice-item:hover,.quick-entry-card:hover,.service-card:hover{transform:translateY(-2px)}.quick-entry-card__badge{display:grid;place-items:center;width:48px;height:48px;border-radius:16px;background:linear-gradient(135deg,#207c5b,#60b28e);color:#fff;font-size:20px;font-weight:700}.service-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.service-card{display:grid;gap:14px;padding:24px;border-radius:24px;background:radial-gradient(circle at top right,rgba(139,199,168,.2),transparent 30%),linear-gradient(180deg,#fbfffc,#eef7f1);border:1px solid rgba(45,140,102,.12);box-shadow:0 16px 32px #1248350d;transition:transform .2s ease}.news-card__action,.service-card__action,.text-link{color:var(--brand-dark);font-weight:700}.notice-item,.notice-list{display:grid;gap:14px}.notice-item{grid-template-columns:auto 1fr;align-items:start;padding:16px 0;border-bottom:1px solid rgba(19,91,67,.08)}.notice-item:last-child{padding-bottom:0;border-bottom:none}.notice-item__body{display:grid;gap:6px}.category-filter,.category-pills{display:flex;flex-wrap:wrap;gap:12px}.category-pill{display:inline-flex;align-items:center;justify-content:center;min-height:42px;padding:0 18px;border-radius:999px;background:var(--brand-soft);color:var(--brand-dark);font-weight:600;transition:transform .2s ease}.side-card--accent{background:radial-gradient(circle at top right,rgba(112,189,151,.18),transparent 28%),linear-gradient(180deg,#fbfffc,#f0f8f3)}.feature-banner{padding:0;margin-top:24px;overflow:hidden}.feature-banner__image{min-height:300px}.feature-banner__body{padding:32px}.section-block,.section-page{margin-top:24px}.section-block{padding:28px}.category-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.category-card{display:grid;gap:10px;padding:22px;border-radius:var(--radius-md);background:linear-gradient(180deg,#fbfffcf2,#eff7f2f2);border:1px solid rgba(45,140,102,.14)}.answer-page,.chapter-list,.exam-grid,.learning-detail,.learning-grid,.news-list,.option-list,.profile-menu-grid,.result-page-card,.topic-item-list{display:grid;gap:18px}.learning-grid{margin-top:24px}.news-card{grid-template-columns:1.4fr 280px;background:linear-gradient(180deg,#fffffffa,#f8fcf9f5)}.learning-card,.news-card{display:grid;overflow:hidden}.learning-card{grid-template-columns:320px 1fr;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);box-shadow:var(--shadow)}.learning-card__cover,.learning-detail__cover,.topic-detail__cover{background-position:50%;background-repeat:no-repeat;background-size:cover}.learning-card__cover{min-height:240px}.exam-card__body,.learning-card__body,.news-card__body{display:grid;gap:14px;padding:24px}.article-detail__meta,.detail-page__breadcrumb,.learning-card__meta,.learning-card__stats,.learning-detail__actions,.news-card__meta,.progress-head,.site-footer__meta,.topic-item-card__footer,.topic-item-card__meta{display:flex;flex-wrap:wrap;gap:12px;align-items:center}.learning-card__meta,.learning-card__stats,.learning-detail__actions,.progress-head,.topic-item-card__footer{justify-content:space-between}.chapter-card__action,.chapter-card__no,.learning-card__tag,.learning-detail__favorite,.news-card__tag,.topic-item-card__type{color:var(--brand-dark);font-weight:700}.news-card__title{margin:14px 0 12px;font-size:28px}.news-card__summary{margin:0 0 18px;color:var(--muted);line-height:1.75}.page-banner h1{font-size:clamp(32px,5vw,52px)}.login-page{align-items:start}.learning-detail__hero{display:grid;grid-template-columns:340px 1fr;gap:24px;padding:32px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);box-shadow:var(--shadow)}.learning-detail__cover,.topic-detail__cover{min-height:280px;border-radius:22px}.learning-detail__intro{display:grid;gap:16px;align-content:start}.chapter-card,.learning-meta-grid,.learning-progress,.pdf-catalog,.pdf-page,.pdf-reader-section,.topic-item-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-md)}.learning-progress{padding:22px 24px}.progress-track{height:12px;margin-top:14px;overflow:hidden;background:#dfebe3;border-radius:999px}.progress-bar{height:100%;background:linear-gradient(135deg,#1d7b5a,#54aa85)}.learning-meta-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1px;overflow:hidden}.learning-meta-grid>div{display:grid;gap:10px;padding:22px;background:#ffffffb3}.learning-meta-grid span{color:var(--muted)}.answer-header,.chapter-card,.profile-hero-card{display:flex;align-items:center;justify-content:space-between;gap:16px}.chapter-card__button{padding:0;border:0;background:transparent;cursor:pointer;font:inherit}.pdf-reader-section{display:grid;grid-template-columns:minmax(220px,280px) minmax(0,1fr);gap:18px;align-items:start;padding:18px}.pdf-catalog{position:sticky;top:96px;max-height:calc(100vh - 128px);padding:18px;overflow:auto}.pdf-catalog,.pdf-catalog__list,.pdf-page-list{display:grid;gap:14px}.pdf-catalog__item{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:10px;align-items:center;width:100%;padding:11px 14px;color:var(--ink);text-align:left;cursor:pointer;background:#f7fbf8eb;border:1px solid rgba(45,140,102,.12);border-radius:var(--radius-sm)}.pdf-catalog__item span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.pdf-catalog__item strong{color:var(--brand-dark);font-size:13px}.pdf-page{scroll-margin-top:92px;padding:14px;overflow:hidden}.pdf-page figcaption{margin-bottom:10px;color:var(--muted);font-weight:700}.pdf-page img{display:block;width:100%;height:auto;aspect-ratio:541/697;-o-object-fit:contain;object-fit:contain;background:#f4f6f5;border:1px solid var(--line);border-radius:var(--radius-sm)}.answer-header,.login-form,.login-session-box,.profile-hero-card,.topic-item-card{display:grid;gap:14px}.login-inline-actions,.login-mode-switch{display:flex;flex-wrap:wrap;gap:12px}.answer-header,.chapter-card,.login-session-box,.profile-hero-card,.topic-item-card{padding:18px 20px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);box-shadow:var(--shadow)}.topic-detail__section{display:grid;gap:16px}.login-form label{display:grid;gap:8px}.login-form span{font-weight:600}.login-mode-switch__item{min-height:44px;padding:0 18px;border:1px solid var(--line);border-radius:999px;background:#ffffffb8;color:var(--muted);font:inherit;cursor:pointer;transition:.2s ease}.login-mode-switch__item.is-active{border-color:#2d8c663d;background:#2d8c661f;color:var(--brand-dark);font-weight:700}.login-form input{min-height:48px;padding:0 14px;border:1px solid var(--line);border-radius:14px;background:#ffffffe6;font:inherit}.login-helper,.login-hint{margin:0;color:var(--muted);line-height:1.75}.login-hint{margin-top:16px;padding:14px 16px;border:1px solid rgba(45,140,102,.14);border-radius:16px;background:#eaf5efd1}.profile-auth-panel{display:grid;gap:16px;padding:22px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);box-shadow:var(--shadow)}.profile-auth-form{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.profile-auth-form label{display:grid;gap:8px}.profile-auth-form .button--block{grid-column:1/-1}.auth-code-inline{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:10px}.auth-code-inline .button{min-width:120px}.detail-page{max-width:920px}.detail-page__breadcrumb{margin-bottom:18px;font-size:14px}.article-detail__subtitle{margin:14px 0 18px;font-size:18px}.article-detail__cover{min-height:360px;margin:24px 0;border-radius:22px}.article-detail__content{color:#28463b;line-height:1.9}.article-detail__tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}.article-detail__tags span{padding:8px 14px;border-radius:999px;background:#2d8c661a;color:var(--brand-dark)}.empty-state{text-align:center}.site-footer{padding:0 0 32px}.site-footer__inner{padding:24px 28px;border:1px solid var(--line);border-radius:var(--radius-lg);background:#fbfffcf0}.site-footer__title{margin:0 0 8px;font-weight:700}.exam-card{display:grid;grid-template-columns:220px 1fr;overflow:hidden;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);box-shadow:var(--shadow)}.exam-card__cover{min-height:220px;background:linear-gradient(135deg,#1d7b5ae0,#54aa85c7),radial-gradient(circle at top right,hsla(0,0%,100%,.35),transparent 38%)}.button:disabled{cursor:not-allowed;opacity:.6}.answer-header{grid-template-columns:1fr auto}.answer-progress,.result-score{display:grid;place-items:center;min-width:120px;min-height:72px;padding:12px 18px;border-radius:var(--radius-md);background:#2d8c661f;color:var(--brand-dark);font-weight:700;font-size:28px}.answer-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:flex-end;margin-top:20px}.option-card{display:grid;grid-template-columns:48px 1fr;gap:14px;align-items:center;width:100%;padding:18px 20px;border:1px solid var(--line);border-radius:var(--radius-md);background:#ffffffbf;color:var(--text);text-align:left;font:inherit;cursor:pointer}.option-card.is-active{border-color:#2d8c6680;background:#d9ecdf80}.profile-hero-card{grid-template-columns:96px 1fr auto}.profile-hero-card__avatar{width:96px;height:96px;border-radius:50%;-o-object-fit:cover;object-fit:cover}.result-score.is-pass{background:#438a5929;color:#2d6e3d}@media(max-width:960px){.answer-header,.category-grid,.exam-card,.feature-banner,.learning-card,.learning-detail__hero,.login-page,.mini-banner,.mini-hero__grid,.mini-home-shell,.news-card,.pdf-reader-section,.profile-auth-form,.profile-hero-card{grid-template-columns:1fr}.learning-meta-grid,.quick-entry-grid,.service-grid{grid-template-columns:1fr 1fr}.section-heading,.site-footer__inner,.site-header__inner{align-items:flex-start;flex-direction:column}.site-nav{width:100%;overflow-x:auto}.article-detail__cover{min-height:220px}.answer-actions{justify-content:stretch}.pdf-catalog{position:relative;top:auto;max-height:320px}}@media(max-width:720px){.site-container{width:min(calc(100% - 24px),var(--container))}.site-main{padding-top:18px}.article-detail,.empty-state,.exam-card__body,.learning-card__body,.login-panel,.mini-banner__body,.mini-hero__content,.mini-hero__panel-card,.mini-section,.news-card__body,.page-banner,.side-card{padding:22px}.learning-meta-grid,.quick-entry-grid,.service-grid{grid-template-columns:1fr}.button{width:100%}.auth-code-inline{grid-template-columns:1fr}.mini-hero__actions,.news-card__footer,.section-heading{align-items:stretch;flex-direction:column}.mini-banner__image{min-height:220px}}