/* ============================================================
   guide.css — 新手指南（前缀 gd-）
   杂志指南：目录 + 编号课程块 + 快速上手卡 + 术语表 + 误区侧栏
   ============================================================ */

/* ---------- HERO（杂志封面感） ---------- */
.gd-hero {
    background:
        radial-gradient(circle at 90% 20%, rgba(249, 115, 22, .25), transparent 50%),
        linear-gradient(150deg, var(--ink-900) 0%, #292524 60%, #431407 100%);
    color: #fff;
    padding: 60px 0 54px;
}
.gd-hero-inner {
    display: grid;
    grid-template-columns: 1.6fr 1fr;
    gap: 40px;
    align-items: center;
}
.gd-hero .td-eyebrow { background: rgba(255, 255, 255, .12); color: var(--orange-300); }
.gd-h1 {
    font-size: 44px;
    line-height: 1.25;
    color: #fff;
    margin: 18px 0 16px;
    letter-spacing: 1px;
}
.gd-hero-sub {
    color: var(--ink-300);
    font-size: 15.5px;
    max-width: 560px;
    line-height: 1.9;
}
.gd-hero-btns { display: flex; gap: 12px; margin-top: 26px; flex-wrap: wrap; }
.gd-hero-btn {
    display: inline-flex;
    align-items: center;
    height: 46px;
    padding: 0 26px;
    background: linear-gradient(135deg, var(--orange-500), var(--orange-700));
    color: #fff !important;
    font-weight: 700;
    font-size: 14.5px;
    border-radius: var(--radius-pill);
    box-shadow: 0 8px 18px rgba(234, 88, 12, .35);
}
.gd-hero-btn-ghost {
    background: transparent;
    border: 1.5px solid rgba(255, 255, 255, .45);
    box-shadow: none;
}
.gd-hero-btn-ghost:hover { background: rgba(255, 255, 255, .1); }

.gd-hero-card {
    background: rgba(255, 255, 255, .06);
    border: 1px solid rgba(255, 255, 255, .14);
    border-radius: var(--radius-lg);
    padding: 24px;
    backdrop-filter: blur(6px);
}
.gd-hero-card-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    padding: 11px 0;
    border-bottom: 1px dashed rgba(255, 255, 255, .15);
    font-size: 13.5px;
}
.gd-hero-card-row:last-child { border-bottom: none; }
.gd-hero-card-row b { color: var(--orange-300); font-weight: 600; }
.gd-hero-card-row span { color: var(--ink-200); }
.gd-hero-card-row a { color: var(--orange-300); font-weight: 700; }

/* ---------- 目录 ---------- */
.gd-toc-sec { padding: 50px 0 10px; }
.gd-toc-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}
.gd-toc-card {
    display: flex;
    gap: 14px;
    align-items: flex-start;
    background: #fff;
    border: 1.5px solid var(--ink-200);
    border-radius: var(--radius);
    padding: 18px;
    transition: border-color .18s ease, transform .18s ease, box-shadow .18s ease;
}
.gd-toc-card:hover {
    border-color: var(--orange-400);
    transform: translateY(-3px);
    box-shadow: var(--shadow-sm);
}
.gd-toc-no {
    flex-shrink: 0;
    font-size: 22px;
    font-weight: 800;
    color: var(--orange-600);
    font-family: Georgia, serif;
    line-height: 1;
}
.gd-toc-name { display: block; font-size: 15px; color: var(--ink-900); }
.gd-toc-desc { font-size: 12.5px; color: var(--ink-500); margin-top: 4px; line-height: 1.6; }

/* ---------- 课程块 ---------- */
.gd-course { padding-top: 44px; }
.gd-course-head {
    display: flex;
    gap: 16px;
    align-items: flex-start;
    margin-bottom: 20px;
}
.gd-course-no {
    flex-shrink: 0;
    font-size: 34px;
    font-weight: 800;
    font-family: Georgia, serif;
    line-height: 1;
    color: transparent;
    -webkit-text-stroke: 1.5px var(--orange-600);
}
.gd-course-title { font-size: 24px; }
.gd-course-sub { color: var(--ink-500); font-size: 14px; margin-top: 4px; }

/* 01 服务类型 */
.gd-type-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
}
.gd-type {
    position: relative;
    background: #fff;
    border: 1.5px solid var(--ink-200);
    border-radius: var(--radius);
    padding: 20px 16px;
    display: grid;
    gap: 8px;
}
.gd-type-hot { border-color: var(--orange-500); background: var(--orange-50); }
.gd-type-ico { font-size: 22px; }
.gd-type b { font-size: 15px; }
.gd-type p { font-size: 12.5px; color: var(--ink-500); line-height: 1.7; }
.gd-type-badge {
    position: absolute;
    top: -10px;
    right: 12px;
    font-size: 11.5px;
    font-weight: 700;
    color: #fff;
    background: var(--orange-600);
    padding: 3px 10px;
    border-radius: var(--radius-pill);
}

/* 02 挑选 */
.gd-pick-card {
    display: grid;
    grid-template-columns: 1.7fr 1fr;
    gap: 16px;
    background: #fff;
    border: 1.5px solid var(--ink-200);
    border-radius: var(--radius-lg);
    padding: 24px;
}
.gd-pick-list { display: grid; gap: 14px; }
.gd-pick-list li { display: flex; gap: 12px; align-items: flex-start; }
.gd-pick-n {
    flex-shrink: 0;
    width: 28px; height: 28px;
    display: grid;
    place-items: center;
    font-size: 13.5px;
    font-weight: 800;
    color: var(--orange-700);
    background: var(--orange-100);
    border-radius: 50%;
}
.gd-pick-list b { font-size: 14.5px; }
.gd-pick-list p { font-size: 13px; color: var(--ink-500); line-height: 1.7; margin-top: 3px; }
.gd-pick-side {
    background: var(--ink-900);
    color: var(--ink-300);
    border-radius: var(--radius);
    padding: 20px;
    text-align: center;
    display: grid;
    gap: 6px;
    align-content: center;
}
.gd-pick-side-ico { font-size: 26px; }
.gd-pick-side b { color: #fff; font-size: 15px; }
.gd-pick-side p { font-size: 12.5px; line-height: 1.7; }
.gd-pick-side a { color: var(--orange-300); font-weight: 700; }

/* 03 下单准备 */
.gd-prep {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}
.gd-prep-item {
    background: var(--orange-50);
    border: 1.5px dashed var(--orange-300);
    border-radius: var(--radius);
    padding: 18px;
}
.gd-prep-item b { font-size: 14.5px; display: block; margin-bottom: 6px; }
.gd-prep-item p { font-size: 13px; color: var(--ink-700); line-height: 1.75; }

/* 04 配合 */
.gd-coop {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}
.gd-coop-card {
    background: #fff;
    border-left: 4px solid var(--orange-600);
    border-top: 1.5px solid var(--ink-200);
    border-right: 1.5px solid var(--ink-200);
    border-bottom: 1.5px solid var(--ink-200);
    border-radius: var(--radius);
    padding: 18px;
}
.gd-coop-card b { font-size: 14.5px; display: block; margin-bottom: 6px; }
.gd-coop-card p { font-size: 13px; color: var(--ink-500); line-height: 1.75; }

/* 05 验收 */
.gd-accept {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    flex-wrap: wrap;
    background: #fff;
    border: 1.5px solid var(--ink-200);
    border-radius: var(--radius-lg);
    padding: 22px 24px;
}
.gd-accept-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 8px 24px;
    flex: 1;
    min-width: 300px;
}
.gd-accept-list li { font-size: 13.5px; color: var(--ink-700); }
.gd-accept-link {
    flex-shrink: 0;
    display: inline-flex;
    align-items: center;
    height: 40px;
    padding: 0 20px;
    background: var(--orange-600);
    color: #fff !important;
    font-size: 13.5px;
    font-weight: 700;
    border-radius: var(--radius-pill);
}
.gd-accept-link:hover { background: var(--orange-500); }

/* 06 帮助 */
.gd-help {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
}
.gd-help-card {
    display: flex;
    gap: 14px;
    align-items: center;
    background: #fff;
    border: 1.5px solid var(--ink-200);
    border-radius: var(--radius);
    padding: 20px;
    transition: border-color .18s ease, transform .18s ease;
}
.gd-help-card:hover { border-color: var(--orange-400); transform: translateY(-2px); }
.gd-help-card > span { font-size: 26px; }
.gd-help-card b { font-size: 15px; display: block; }
.gd-help-card p { font-size: 12.5px; color: var(--ink-500); margin-top: 3px; }

/* ---------- 快速上手（深色带） ---------- */
.gd-quick-sec {
    margin-top: 54px;
    background: linear-gradient(135deg, var(--ink-900), #431407);
    padding: 54px 0;
}
.gd-eyebrow-light { background: rgba(255, 255, 255, .12); color: var(--orange-300); }
.gd-head-light { color: #fff; }
.gd-quick-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}
.gd-quick {
    background: rgba(255, 255, 255, .06);
    border: 1px solid rgba(255, 255, 255, .14);
    border-radius: var(--radius);
    padding: 22px;
}
.gd-quick-no {
    display: inline-block;
    font-size: 11.5px;
    font-weight: 800;
    letter-spacing: 1.5px;
    color: var(--orange-300);
    background: rgba(234, 88, 12, .2);
    padding: 4px 10px;
    border-radius: var(--radius-pill);
    margin-bottom: 10px;
}
.gd-quick b { color: #fff; font-size: 15.5px; display: block; margin-bottom: 6px; }
.gd-quick p { color: var(--ink-300); font-size: 13px; line-height: 1.75; }

/* ---------- 术语表 + 误区 ---------- */
.gd-glossary-sec { padding: 54px 0 10px; }
.gd-glossary-layout {
    display: grid;
    grid-template-columns: 1.9fr 1fr;
    gap: 26px;
    align-items: start;
}
.gd-table-wrap {
    border: 1.5px solid var(--ink-200);
    border-radius: var(--radius-lg);
    overflow: hidden;
    background: #fff;
}
.gd-table th, .gd-table td { padding: 13px 16px; text-align: left; vertical-align: top; font-size: 13.5px; }
.gd-table thead th {
    background: var(--orange-50);
    color: var(--orange-800);
    font-size: 13px;
}
.gd-table tbody tr { border-top: 1px solid var(--ink-200); }
.gd-table tbody tr:hover td { background: var(--ink-50); }
.gd-td-term b { color: var(--orange-700); font-size: 14.5px; }
.gd-td-en { color: var(--ink-400); font-size: 12px; white-space: nowrap; }
.gd-td-scene { color: var(--ink-500); white-space: nowrap; }

/* 误区侧栏 */
.gd-myths {
    position: sticky;
    top: calc(var(--head-h) + 20px);
    display: grid;
    gap: 12px;
}
.gd-myths-title { font-size: 19px; }
.gd-myths-sub { font-size: 12.5px; color: var(--ink-500); margin-top: -6px; }
.gd-myth {
    background: #fff;
    border: 1.5px solid var(--ink-200);
    border-radius: var(--radius);
    padding: 14px 16px;
}
.gd-myth-wrong {
    font-size: 13px;
    color: var(--red);
    font-weight: 600;
    line-height: 1.6;
    margin-bottom: 6px;
}
.gd-myth-right {
    font-size: 12.5px;
    color: var(--green);
    line-height: 1.7;
    border-top: 1px dashed var(--ink-200);
    padding-top: 7px;
}
.gd-myths-cta {
    background: var(--ink-900);
    border-radius: var(--radius);
    padding: 16px;
    text-align: center;
    display: grid;
    gap: 6px;
}
.gd-myths-cta b { color: #fff; font-size: 14px; }
.gd-myths-cta a { color: var(--orange-300); font-size: 13px; font-weight: 700; }

/* ---------- CTA ---------- */
.gd-cta-sec { padding: 46px 0 70px; }
.gd-cta {
    text-align: center;
    background:
        radial-gradient(circle at 50% 0%, rgba(249, 115, 22, .35), transparent 60%),
        linear-gradient(135deg, var(--orange-600), var(--orange-800));
    border-radius: var(--radius-lg);
    padding: 44px 24px;
    color: #fff;
}
.gd-cta h2 { color: #fff; font-size: 26px; margin-bottom: 8px; }
.gd-cta p { color: var(--orange-100); font-size: 14px; margin-bottom: 22px; }
.gd-cta-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    height: 48px;
    padding: 0 34px;
    background: #fff;
    color: var(--orange-700) !important;
    font-weight: 800;
    font-size: 15px;
    border-radius: var(--radius-pill);
    box-shadow: 0 10px 24px rgba(0, 0, 0, .2);
}
.gd-cta-btn:hover { background: var(--orange-50); }

/* ---------- 响应式 ---------- */
@media (max-width: 960px) {
    .gd-hero-inner { grid-template-columns: 1fr; gap: 26px; }
    .gd-h1 { font-size: 34px; }
    .gd-toc-grid { grid-template-columns: repeat(2, 1fr); }
    .gd-type-grid { grid-template-columns: repeat(2, 1fr); }
    .gd-pick-card { grid-template-columns: 1fr; }
    .gd-prep, .gd-coop { grid-template-columns: 1fr; }
    .gd-quick-grid { grid-template-columns: 1fr; }
    .gd-glossary-layout { grid-template-columns: 1fr; }
    .gd-myths { position: static; }
}

@media (max-width: 640px) {
    .gd-hero { padding: 42px 0 38px; }
    .gd-h1 { font-size: 27px; }
    .gd-hero-btn { height: 42px; padding: 0 18px; font-size: 13.5px; }
    .gd-toc-grid { grid-template-columns: 1fr; }
    .gd-course-no { font-size: 26px; }
    .gd-course-title { font-size: 20px; }
    .gd-type-grid { grid-template-columns: 1fr; }
    .gd-accept-list { grid-template-columns: 1fr; }
    .gd-help { grid-template-columns: 1fr; }
    .gd-table th, .gd-table td { padding: 10px 10px; font-size: 12.5px; }
    .gd-td-scene { white-space: normal; }
    .gd-cta h2 { font-size: 21px; }
}