/* ============================================================
   商业授权页
   ============================================================ */

/* ---------- 授权说明条 ---------- */
.assure {
    margin-top: -34px; position: relative; z-index: 3;
}
.assure .card {
    display: grid; grid-template-columns: repeat(3, 1fr);
    padding: 26px 32px; gap: 24px;
}
.assure-item { display: flex; gap: 14px; align-items: flex-start; }
.assure-item .a-icon {
    width: 44px; height: 44px; border-radius: 11px; flex: none;
    background: var(--brand-50); color: var(--brand-600);
    display: flex; align-items: center; justify-content: center;
}
.assure-item h4 { font-size: 15.5px; color: var(--ink-900); }
.assure-item p { font-size: var(--fs-sm); color: var(--ink-500); line-height: 1.7; }

/* ---------- 大定价卡 ---------- */
.price-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; align-items: stretch; }
.price-card {
    background: #fff; border: 1px solid var(--line); border-radius: var(--r-lg);
    padding: 36px 32px 32px; display: flex; flex-direction: column; position: relative;
    transition: transform .25s ease, box-shadow .25s ease;
}
.price-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.price-card.featured { border: 2px solid var(--brand-500); box-shadow: var(--shadow-md); }
.price-flag {
    position: absolute; top: -14px; left: 50%; transform: translateX(-50%);
    background: var(--grad-brand); color: #fff; font-size: var(--fs-xs); font-weight: 600;
    height: 28px; padding: 0 18px; border-radius: var(--r-pill);
    display: flex; align-items: center; white-space: nowrap; box-shadow: var(--shadow-brand);
}
.price-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 6px; }
.price-head h3 { font-size: 19px; font-weight: 700; color: var(--ink-900); }
.price-card .p-desc { font-size: var(--fs-sm); color: var(--ink-400); min-height: 44px; }
.price-line { display: flex; align-items: baseline; gap: 6px; margin: 22px 0 4px; }
.price-line .cny { font-size: 17px; font-weight: 600; color: var(--brand-600); }
.price-line .num { font-family: var(--font-mono); font-size: 46px; font-weight: 700; color: var(--brand-600); letter-spacing: -.02em; line-height: 1; }
.price-line .unit { font-size: var(--fs-sm); color: var(--ink-400); }
.price-note { font-size: var(--fs-xs); color: var(--ink-400); margin-bottom: 22px; }
.price-features { display: grid; gap: 13px; margin-bottom: 28px; flex: 1; }
.price-features li { display: flex; gap: 10px; font-size: var(--fs-sm); color: var(--ink-700); align-items: flex-start; }
.price-features .icon { width: 18px; height: 18px; color: var(--success); margin-top: 3px; flex: none; }
.price-features li.off { color: var(--ink-300); }
.price-features li.off .icon { color: var(--ink-300); }
.price-card.dark { background: linear-gradient(165deg, #123d6b, #0a2747); border-color: transparent; }
.price-card.dark h3, .price-card.dark .num { color: #fff; }
.price-card.dark .p-desc, .price-card.dark .price-note { color: rgba(255,255,255,.5); }
.price-card.dark .price-line .cny, .price-card.dark .price-line .unit { color: rgba(255,255,255,.75); }
.price-card.dark .price-features li { color: rgba(255,255,255,.82); }
.price-card.dark .price-features .icon { color: #6fd3a4; }
.price-card.dark .price-features li.off { color: rgba(255,255,255,.32); }
.price-card.dark .price-features li.off .icon { color: rgba(255,255,255,.32); }
.price-card.dark .btn-outline { background: transparent; color: #fff; border-color: rgba(255,255,255,.4); }
.price-card.dark .btn-outline:hover { background: rgba(255,255,255,.1); }

/* ---------- 对比表 ---------- */
.matrix-wrap { overflow-x: auto; border-radius: var(--r-lg); border: 1px solid var(--line); box-shadow: var(--shadow-xs); }
table.matrix { width: 100%; border-collapse: collapse; background: #fff; min-width: 680px; }
.matrix th, .matrix td { padding: 17px 22px; text-align: center; font-size: var(--fs-sm); border-bottom: 1px solid var(--line); }
.matrix thead th { background: var(--bg-soft); color: var(--ink-800); font-weight: 600; }
.matrix thead th:first-child { text-align: left; }
.matrix tbody th { text-align: left; font-weight: 500; color: var(--ink-700); background: #fbfdff; }
.matrix tbody tr:last-child th, .matrix tbody tr:last-child td { border-bottom: none; }
.matrix td .icon { width: 20px; height: 20px; }
.matrix .yes { color: var(--success); }
.matrix .no { color: var(--ink-300); }
.matrix .txt { color: var(--ink-700); }
.matrix .col-hot { background: rgba(31,139,216,.05); }
.matrix thead .col-hot { background: var(--brand-50); color: var(--brand-800); }

/* ---------- 购买流程 ---------- */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; position: relative; }
.step { text-align: center; padding: 0 22px; position: relative; }
.step:not(:last-child)::after {
    content: ""; position: absolute; top: 27px; right: -50%; width: 100%; height: 2px;
    background: repeating-linear-gradient(90deg, var(--brand-200) 0 8px, transparent 8px 16px);
    z-index: 0;
}
.step-num {
    width: 54px; height: 54px; border-radius: 50%; margin: 0 auto 18px;
    background: #fff; border: 2px solid var(--brand-200);
    color: var(--brand-700); font-family: var(--font-mono); font-size: 18px; font-weight: 700;
    display: flex; align-items: center; justify-content: center; position: relative; z-index: 1;
    box-shadow: var(--shadow-sm);
}
.step h4 { font-size: 16px; color: var(--ink-900); margin-bottom: 7px; }
.step p { font-size: var(--fs-sm); color: var(--ink-500); line-height: 1.7; }

/* ---------- 查询入口 ---------- */
.query-entry {
    border-radius: var(--r-xl);
    background:
        radial-gradient(600px 260px at 88% -30%, rgba(77,168,232,.28), transparent 60%),
        var(--grad-navy);
    color: #fff; padding: 54px 60px;
    display: grid; grid-template-columns: 1.1fr .9fr; gap: 48px; align-items: center;
    position: relative; overflow: hidden;
}
.query-entry::before {
    content:""; position:absolute; inset:0;
    background-image: linear-gradient(rgba(255,255,255,.045) 1px, transparent 1px),
                      linear-gradient(90deg, rgba(255,255,255,.045) 1px, transparent 1px);
    background-size: 40px 40px;
}
.query-entry > * { position: relative; }
.query-entry h2 { font-size: 26px; font-weight: 700; margin: 12px 0 10px; }
.query-entry p { color: rgba(255,255,255,.7); font-size: var(--fs-base); }
.qe-form {
    background: #fff; border-radius: var(--r-md); padding: 10px;
    display: flex; gap: 8px; box-shadow: var(--shadow-lg);
}
.qe-form input {
    flex: 1; border: none; outline: none; height: 48px; padding: 0 16px;
    font-size: 15px; color: var(--ink-800); background: transparent;
}
.qe-form .btn { flex: none; }
.qe-tip { margin-top: 12px; font-size: var(--fs-xs); color: rgba(255,255,255,.5); display: flex; gap: 8px; align-items: center; }
.qe-tip .icon { width: 15px; height: 15px; }

/* ---------- FAQ ---------- */
.faq-list { max-width: 860px; margin: 0 auto; display: grid; gap: 14px; }
.faq-item { background: #fff; border: 1px solid var(--line); border-radius: var(--r-md); overflow: hidden; }
.faq-item summary {
    list-style: none; cursor: pointer;
    padding: 20px 26px; font-size: 16px; font-weight: 600; color: var(--ink-900);
    display: flex; align-items: center; justify-content: space-between; gap: 16px;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary .icon { width: 20px; height: 20px; color: var(--ink-400); transition: transform .25s ease; flex: none; }
.faq-item[open] summary .icon { transform: rotate(45deg); color: var(--brand-600); }
.faq-body { padding: 0 26px 22px; color: var(--ink-600); font-size: var(--fs-sm); line-height: 1.9; }

/* ---------- 协议 / 联系 ---------- */
.contact-band { background: #fff; border-top: 1px solid var(--line); }
.contact-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.contact-card { border: 1px solid var(--line); border-radius: var(--r-lg); padding: 28px; }
.contact-card .c-icon {
    width: 46px; height: 46px; border-radius: 12px; background: var(--brand-50); color: var(--brand-600);
    display: flex; align-items: center; justify-content: center; margin-bottom: 16px;
}
.contact-card h4 { font-size: 16px; color: var(--ink-900); margin-bottom: 6px; }
.contact-card p { font-size: var(--fs-sm); color: var(--ink-500); line-height: 1.8; }
.contact-card .val { font-family: var(--font-mono); font-size: 17px; color: var(--brand-700); font-weight: 600; }

@media (max-width: 1024px) {
    .price-grid { grid-template-columns: 1fr; max-width: 480px; margin: 0 auto; }
    .steps { grid-template-columns: repeat(2, 1fr); gap: 36px 0; }
    .step:not(:last-child)::after { display: none; }
    .query-entry { grid-template-columns: 1fr; gap: 28px; padding: 40px 32px; }
    .assure .card, .contact-grid { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
    .steps { grid-template-columns: 1fr; }
}