:root{
    --bg:#f4f8ff;
    --surface:#ffffff;
    --surface-soft:#f8fbff;
    --text:#1e293b;
    --muted:#64748b;
    --line:#d9e4f2;
    --primary:#2563eb;
    --primary-deep:#153ea8;
    --accent:#ff4d6d;
    --accent-deep:#e11d48;
    --shadow:0 18px 50px rgba(37,99,235,.10);
    --radius-xl:24px;
    --radius-lg:18px;
    --radius-md:14px;
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
    margin:0;
    background:
        radial-gradient(circle at top left, rgba(37,99,235,.14), transparent 34%),
        linear-gradient(180deg, #eef5ff 0%, #f8fbff 24%, #f4f8ff 100%);
    color:var(--text);
    font:16px/1.75 "PingFang SC","Microsoft YaHei",sans-serif;
}
a{color:inherit;text-decoration:none;}
img{display:block;max-width:100%;}
.dg-shell{width:min(1200px, calc(100% - 32px));margin:0 auto;}
.dg-main{padding-bottom:36px;}

.dg-header{
    position:sticky;
    top:0;
    z-index:20;
    backdrop-filter:blur(18px);
    background:rgba(244,248,255,.88);
    border-bottom:1px solid rgba(217,228,242,.8);
}
.dg-header__bar{
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:20px;
    min-height:80px;
}
.dg-brand{display:flex;align-items:center;gap:12px;}
.dg-brand__logo{
    display:grid;
    place-items:center;
    width:44px;
    height:44px;
    border-radius:14px;
    background:linear-gradient(135deg, var(--primary) 0%, #60a5fa 100%);
    color:#fff;
    font-weight:700;
    font-size:20px;
    box-shadow:0 12px 28px rgba(37,99,235,.25);
}
.dg-brand__text{display:flex;flex-direction:column;line-height:1.25;}
.dg-brand__text strong{font-size:18px;}
.dg-brand__text small,.dg-meta-text{color:var(--muted);}
.dg-header__nav ul,.dg-mobile-panel ul{
    display:flex;
    align-items:center;
    gap:18px;
    list-style:none;
    margin:0;
    padding:0;
}
.dg-header__nav li a,.dg-mobile-panel li a{color:#334155;font-weight:600;}
.dg-header__actions{display:flex;align-items:center;gap:12px;}
.dg-chip-link{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    min-height:40px;
    padding:0 18px;
    border-radius:999px;
    background:#eff6ff;
    color:var(--primary);
    font-weight:700;
}
.dg-mobile-toggle{
    display:none;
    height:40px;
    padding:0 16px;
    border:0;
    border-radius:999px;
    background:#0f172a;
    color:#fff;
    font-weight:700;
    cursor:pointer;
}
.dg-mobile-panel{display:none;padding:0 0 18px;}
.dg-mobile-panel.is-open{display:block;}
.dg-mobile-panel ul{
    flex-direction:column;
    align-items:flex-start;
    gap:10px;
    padding:16px;
    background:var(--surface);
    border:1px solid var(--line);
    border-radius:18px;
}
.dg-mobile-panel__link{
    display:inline-flex;
    margin-top:12px;
    min-height:42px;
    align-items:center;
    justify-content:center;
    padding:0 18px;
    border-radius:999px;
    background:var(--accent);
    color:#fff;
    font-weight:700;
}

.dg-hero,.dg-section,.dg-detail-hero{padding-top:28px;}
.dg-hero__card{
    display:grid;
    grid-template-columns:minmax(0, 1.35fr) minmax(300px, .65fr);
    gap:24px;
    align-items:stretch;
    padding:40px;
    border-radius:32px;
    background:linear-gradient(135deg, rgba(21,62,168,.96) 0%, rgba(37,99,235,.92) 50%, rgba(96,165,250,.90) 100%);
    color:#fff;
    box-shadow:0 26px 70px rgba(37,99,235,.22);
}
.dg-hero__eyebrow{
    display:inline-flex;
    align-items:center;
    min-height:34px;
    padding:0 14px;
    border-radius:999px;
    background:rgba(255,255,255,.18);
    font-size:12px;
    font-weight:700;
    letter-spacing:.08em;
    text-transform:uppercase;
}
.dg-hero h1{
    margin:18px 0 14px;
    font-size:clamp(34px, 5vw, 54px);
    line-height:1.1;
}
.dg-hero p{
    margin:0;
    max-width:720px;
    color:rgba(255,255,255,.9);
    font-size:17px;
}
.dg-hero__actions,.dg-post-card__actions,.dg-empty-card__actions{
    display:flex;
    flex-wrap:wrap;
    gap:12px;
}
.dg-hero__actions{margin-top:24px;}
.dg-button{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    min-height:48px;
    padding:0 24px;
    border-radius:999px;
    border:1px solid transparent;
    font-weight:700;
    transition:.25s ease;
}
.dg-button:hover{transform:translateY(-2px);}
.dg-button--primary{
    background:linear-gradient(135deg, var(--accent) 0%, #fb7185 100%);
    color:#fff;
    box-shadow:0 14px 28px rgba(255,77,109,.28);
}
.dg-button--ghost{
    background:rgba(255,255,255,.12);
    border-color:rgba(255,255,255,.24);
    color:#fff;
}
.dg-button--secondary{background:#eff6ff;color:var(--primary);}
.dg-button--mini{min-height:40px;padding:0 16px;border-radius:12px;font-size:14px;}
.dg-button--block{width:100%;}

.dg-hero__panel,.dg-content-card,.dg-post-card,.dg-order-card,.dg-empty-card{
    background:var(--surface);
    border:1px solid var(--line);
    border-radius:var(--radius-xl);
    box-shadow:var(--shadow);
}
.dg-hero__panel{height:100%;padding:24px;color:var(--text);}
.dg-hero__panel strong{display:block;margin-bottom:14px;font-size:18px;}
.dg-hero__panel ul{margin:0;padding-left:18px;color:var(--muted);}

.dg-nav-section{padding-top:22px;}
.dg-nav-pills{display:flex;flex-wrap:wrap;gap:12px;}
.dg-nav-pill{
    display:inline-flex;
    align-items:center;
    min-height:44px;
    padding:0 18px;
    border-radius:999px;
    background:rgba(255,255,255,.76);
    border:1px solid var(--line);
    color:#334155;
    font-weight:700;
}
.dg-nav-pill.is-active{background:#0f172a;color:#fff;border-color:#0f172a;}

.dg-section__head{
    display:flex;
    align-items:flex-end;
    justify-content:space-between;
    gap:18px;
    margin-bottom:18px;
}
.dg-section__head h2{margin:0;font-size:30px;line-height:1.15;}
.dg-section__head p{margin:8px 0 0;color:var(--muted);}

.dg-feature-grid,.dg-stats-grid,.dg-post-grid,.dg-two-col,.dg-detail-hero__grid{
    display:grid;
    gap:20px;
}
.dg-feature-grid{grid-template-columns:repeat(3, minmax(0, 1fr));}
.dg-feature-card{
    padding:24px;
    border-radius:var(--radius-xl);
    background:linear-gradient(180deg, rgba(255,255,255,.94) 0%, rgba(248,251,255,.96) 100%);
    border:1px solid var(--line);
    box-shadow:var(--shadow);
}
.dg-feature-card h3{margin:0 0 12px;color:var(--primary);font-size:20px;}
.dg-feature-card p{margin:0;color:var(--muted);}

.dg-stats-grid{grid-template-columns:repeat(3, minmax(0, 1fr));}
.dg-stat-card{
    padding:28px 24px;
    border-radius:var(--radius-xl);
    background:linear-gradient(180deg, #ffffff 0%, #eff6ff 100%);
    border:1px solid var(--line);
    box-shadow:var(--shadow);
    text-align:center;
}
.dg-stat-card strong{
    display:block;
    font-size:40px;
    line-height:1.1;
    color:var(--primary);
}
.dg-stat-card span{
    display:block;
    margin-top:10px;
    color:var(--muted);
    font-weight:600;
}

.dg-post-grid{grid-template-columns:repeat(3, minmax(0, 1fr));}
.dg-post-grid--compact{grid-template-columns:repeat(4, minmax(0, 1fr));}
.dg-post-card{overflow:hidden;}
.dg-post-card__media{
    display:block;
    aspect-ratio:16 / 10;
    background:linear-gradient(135deg, rgba(37,99,235,.14) 0%, rgba(255,77,109,.10) 100%);
}
.dg-post-card__media img{width:100%;height:100%;object-fit:cover;}
.dg-post-card__placeholder,.dg-order-card__placeholder{
    display:flex;
    flex-direction:column;
    align-items:flex-start;
    justify-content:flex-end;
    height:100%;
    padding:24px;
    background:linear-gradient(135deg, rgba(21,62,168,.92) 0%, rgba(37,99,235,.88) 100%);
    color:#fff;
}
.dg-post-card__placeholder span,.dg-order-card__placeholder span{
    display:inline-flex;
    align-items:center;
    min-height:30px;
    padding:0 12px;
    border-radius:999px;
    background:rgba(255,255,255,.18);
    font-size:12px;
    font-weight:700;
}
.dg-post-card__placeholder strong,.dg-order-card__placeholder strong{
    margin-top:16px;
    font-size:44px;
    line-height:1;
}
.dg-post-card__body{padding:22px;}
.dg-post-card__meta{
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:12px;
}
.dg-badge{
    display:inline-flex;
    align-items:center;
    min-height:30px;
    padding:0 12px;
    border-radius:999px;
    background:#eff6ff;
    color:var(--primary);
    font-size:12px;
    font-weight:700;
}
.dg-post-card h3{margin:14px 0 10px;font-size:22px;line-height:1.35;}
.dg-post-card p{margin:0;color:var(--muted);}
.dg-post-card__chips,.dg-detail-main__chips{
    display:flex;
    flex-wrap:wrap;
    gap:10px;
    margin-top:16px;
}
.dg-post-card__chips span,.dg-detail-main__chips span,.dg-tag-cloud a{
    display:inline-flex;
    align-items:center;
    min-height:34px;
    padding:0 14px;
    border-radius:999px;
    background:#f8fbff;
    border:1px solid var(--line);
    color:#475569;
    font-size:13px;
    font-weight:600;
}
.dg-post-card__foot{
    display:flex;
    align-items:flex-end;
    justify-content:space-between;
    gap:18px;
    margin-top:18px;
}
.dg-post-card__price small{display:block;color:var(--muted);font-size:12px;}
.dg-post-card__price strong,.dg-order-card__price{
    color:var(--accent-deep);
    font-size:24px;
    line-height:1.2;
}

.dg-pagebar{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px;}
.dg-pagebar a,.dg-pagebar span{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    min-width:42px;
    height:42px;
    padding:0 12px;
    border-radius:12px;
    border:1px solid var(--line);
    background:#fff;
    font-weight:700;
}
.dg-pagebar .is-current{background:#0f172a;border-color:#0f172a;color:#fff;}

.dg-two-col{grid-template-columns:minmax(0, 1.1fr) minmax(320px, .9fr);}
.dg-content-card{padding:24px;}
.dg-price-table-wrap{overflow:auto;}
.dg-price-table{width:100%;border-collapse:collapse;}
.dg-price-table th,.dg-price-table td{
    padding:15px 16px;
    border-bottom:1px solid #e8eef8;
    text-align:left;
}
.dg-price-table th{color:#0f172a;background:#f8fbff;}
.dg-link-list{display:grid;gap:12px;}
.dg-link-list__item{
    display:grid;
    gap:4px;
    padding:16px 18px;
    border-radius:16px;
    background:#f8fbff;
    border:1px solid var(--line);
}
.dg-link-list__item span{color:var(--primary);font-size:12px;font-weight:700;}
.dg-link-list__item strong{font-size:17px;line-height:1.5;}
.dg-link-list__item small{color:var(--muted);}

.dg-faq-list{display:grid;gap:12px;}
.dg-faq-item{
    border:1px solid var(--line);
    border-radius:18px;
    background:#fbfdff;
    overflow:hidden;
}
.dg-faq-item__question{
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:16px;
    width:100%;
    padding:18px 20px;
    border:0;
    background:transparent;
    font:inherit;
    font-weight:700;
    color:#0f172a;
    text-align:left;
    cursor:pointer;
}
.dg-faq-item__answer{display:none;padding:0 20px 18px;}
.dg-faq-item__answer p{margin:0;color:var(--muted);}
.dg-faq-item.is-open .dg-faq-item__answer{display:block;}

.dg-tag-cloud{display:flex;flex-wrap:wrap;gap:12px;}

.dg-detail-hero__grid{
    grid-template-columns:minmax(0, 1.2fr) minmax(320px, .8fr);
    align-items:start;
}
.dg-detail-main,.dg-order-card{padding:28px;}
.dg-detail-main{
    border-radius:var(--radius-xl);
    background:linear-gradient(145deg, #ffffff 0%, #f8fbff 100%);
    border:1px solid var(--line);
    box-shadow:var(--shadow);
}
.dg-breadcrumb{
    display:flex;
    flex-wrap:wrap;
    gap:8px;
    margin-bottom:14px;
    color:var(--muted);
    font-size:14px;
}
.dg-detail-main h1{
    margin:14px 0;
    font-size:clamp(32px, 4vw, 46px);
    line-height:1.15;
}
.dg-detail-main p{margin:0;color:var(--muted);font-size:17px;}
.dg-detail-main__meta{
    display:flex;
    flex-wrap:wrap;
    gap:12px;
    margin-top:18px;
}
.dg-detail-main__meta span{
    display:inline-flex;
    align-items:center;
    min-height:36px;
    padding:0 14px;
    border-radius:999px;
    background:#eff6ff;
    color:#1d4ed8;
    font-size:13px;
    font-weight:700;
}
.dg-order-card{position:sticky;top:96px;}
.dg-order-card__media{
    overflow:hidden;
    aspect-ratio:16 / 10;
    border-radius:18px;
    background:linear-gradient(135deg, rgba(37,99,235,.14), rgba(255,77,109,.10));
}
.dg-order-card__media img{width:100%;height:100%;object-fit:cover;}
.dg-order-card__body{padding-top:22px;}
.dg-order-card__title{display:block;font-size:20px;}
.dg-order-card__body p{margin:14px 0 18px;color:var(--muted);}

.dg-article-card{padding:0;overflow:hidden;}
.dg-article-card .dg-section__head{padding:24px 24px 0;}
.dg-article-content{padding:0 24px 26px;}
.dg-article-content img{border-radius:18px;margin:18px auto;}
.dg-article-content table{width:100%;border-collapse:collapse;margin:18px 0;}
.dg-article-content table td,.dg-article-content table th{
    padding:12px;
    border:1px solid #e8eef8;
}

.dg-footer{padding:0 0 36px;}
.dg-footer__cta{
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:20px;
    padding:28px 30px;
    border-radius:28px;
    background:linear-gradient(135deg, #0f172a 0%, #1e3a8a 100%);
    color:#fff;
    box-shadow:0 24px 60px rgba(15,23,42,.24);
}
.dg-footer__cta h2{margin:0 0 8px;font-size:30px;}
.dg-footer__cta p{margin:0;color:rgba(255,255,255,.82);}
.dg-footer__meta{padding:18px 6px 0;color:var(--muted);font-size:14px;}
.dg-footer__meta p{margin:6px 0 0;}

.dg-empty-card{padding:42px 28px;text-align:center;}
.dg-empty-card--large h1{margin:0 0 10px;font-size:56px;}
.dg-empty-card p{margin:0 auto;max-width:660px;color:var(--muted);}
.dg-empty-card__actions{justify-content:center;margin-top:22px;}

@media (max-width:1080px){
    .dg-header__nav{display:none;}
    .dg-mobile-toggle{display:inline-flex;align-items:center;justify-content:center;}
    .dg-hero__card,.dg-two-col,.dg-detail-hero__grid{grid-template-columns:1fr;}
    .dg-post-grid--compact{grid-template-columns:repeat(2, minmax(0, 1fr));}
    .dg-order-card{position:static;}
}

@media (max-width:860px){
    .dg-feature-grid,.dg-stats-grid,.dg-post-grid{grid-template-columns:1fr;}
    .dg-footer__cta,.dg-post-card__foot{flex-direction:column;align-items:flex-start;}
}

@media (max-width:640px){
    .dg-shell{width:min(100% - 20px, 1200px);}
    .dg-header__bar{min-height:72px;}
    .dg-chip-link{display:none;}
    .dg-hero__card,.dg-detail-main,.dg-order-card,.dg-content-card,.dg-post-card,.dg-empty-card{border-radius:20px;}
    .dg-hero__card{padding:28px 22px;}
    .dg-hero h1{font-size:34px;}
    .dg-section__head h2{font-size:24px;}
    .dg-post-grid--compact{grid-template-columns:1fr;}
}