/* ===== 智南米表 · 推广说明页 ===== */

body.promo-page { min-height: 100vh; }

.promo-wrap {
    position: relative; z-index: 1;
    max-width: 1000px;
    margin: 0 auto;
    padding: 2rem 1.6rem 0;
    min-height: 100vh;
    display: flex; flex-direction: column;
}

/* ---------- 顶部 ---------- */
.promo-top {
    display: flex; align-items: center; justify-content: space-between;
    gap: 1rem; padding-bottom: 1.1rem;
}
.promo-brand { display: flex; align-items: center; gap: .75rem; min-width: 0; }
.promo-brand .seal {
    width: 42px; height: 42px; flex-shrink: 0;
    display: flex; align-items: center; justify-content: center;
    background: var(--accent); color: #fbf7ee;
    border-radius: 3px; transform: rotate(-2.5deg);
    font-family: var(--font-kai); font-size: .82rem; letter-spacing: .04em;
    box-shadow: 0 2px 10px var(--accent-soft);
    overflow: hidden;
}
.promo-brand .seal img { width: 100%; height: 100%; object-fit: cover; }
.promo-brand-text { min-width: 0; display: flex; flex-direction: column; line-height: 1.3; }
.promo-brand-text strong {
    font-size: 1.1rem; letter-spacing: .1em;
    white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.promo-brand-text small {
    font-size: .62rem; color: var(--ink-3);
    letter-spacing: .16em; text-transform: uppercase;
    white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}

.promo-top-actions { display: flex; align-items: center; gap: .5rem; flex-shrink: 0; }
.promo-back {
    display: inline-flex; align-items: center; gap: .3rem;
    font-size: .74rem; color: var(--ink-3); letter-spacing: .08em;
    padding: .34rem .6rem; border: 1px solid var(--line); border-radius: 2px;
    transition: color .2s ease, border-color .2s ease, background .2s ease;
}
.promo-back:hover { color: var(--accent); border-color: var(--accent); background: var(--accent-wash); }

.promo-body { flex: 1 0 auto; }

/* ---------- 说明文档 ---------- */
.promo-doc {
    position: relative;
    background: var(--paper-2);
    border: 1px solid var(--line);
    border-radius: 2px;
    padding: 1.8rem 2rem 1.9rem;
    margin-bottom: 1.6rem;
}
.promo-doc::before {
    content: ''; position: absolute; top: 1rem; bottom: 1rem; left: .6rem;
    width: 1px; background: var(--accent); opacity: .16;
}
.doc-head { margin-bottom: 1.1rem; }
.doc-label {
    display: inline-flex; align-items: center; gap: .34rem;
    font-size: .66rem; color: var(--accent); letter-spacing: .26em;
    text-indent: .1em; margin-bottom: .5rem;
}
.doc-label svg { flex-shrink: 0; }
.doc-head h1 {
    font-size: clamp(1.3rem, 3.4vw, 1.7rem);
    font-weight: 700; letter-spacing: .08em; line-height: 1.35;
}
.doc-text { font-size: .9rem; color: var(--ink-2); line-height: 2; letter-spacing: .02em; }
.doc-text p + p { margin-top: .85rem; }
.doc-sub {
    display: flex; align-items: center; gap: .5rem;
    font-size: .88rem; font-weight: 700; color: var(--ink);
    letter-spacing: .06em; line-height: 1.6;
    margin: 1.5rem 0 .55rem;
}
.doc-sub::before {
    content: ''; width: 3px; height: .9em; flex-shrink: 0;
    background: var(--accent); border-radius: 2px; opacity: .85;
}
.doc-sub:first-child { margin-top: 0; }
.doc-text p + .doc-sub { margin-top: 1.4rem; }
.doc-empty p { color: var(--ink-3); }

.doc-notice {
    display: flex; gap: .7rem; align-items: flex-start;
    margin-top: 1.4rem; padding: .85rem .95rem;
    background: var(--accent-wash);
    border-left: 2px solid var(--accent);
    font-size: .8rem; color: var(--ink-2); line-height: 1.85;
}
.doc-notice .n-label {
    flex-shrink: 0; font-size: .66rem; color: var(--accent);
    letter-spacing: .2em; padding-top: .18rem;
}

/* ---------- 广告位面板 ---------- */
.promo-board {
    background: var(--paper-2);
    border: 1px solid var(--line);
    border-radius: 2px;
    padding: 1.4rem 1.5rem 1.6rem;
    margin-bottom: 1.6rem;
}
.board-head {
    display: flex; align-items: baseline; justify-content: space-between;
    gap: .8rem; margin-bottom: 1rem;
}
.board-head h2 {
    display: inline-flex; align-items: center; gap: .42rem;
    font-size: .98rem; font-weight: 700; letter-spacing: .1em;
}
.board-head svg { color: var(--accent); flex-shrink: 0; }
.board-hint { font-size: .68rem; color: var(--ink-3); letter-spacing: .1em; }

.ad-grid {
    display: grid; grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: .6rem;
}
/* 图片位：整行大图 */
.ad-figures {
    display: grid; grid-template-columns: 1fr;
    gap: .6rem; margin-bottom: .6rem;
}
.ad-card.ad-figure { min-height: 96px; }
.ad-card.ad-figure .ad-media img { max-height: 120px; }
.ad-card {
    position: relative;
    display: flex; flex-direction: column; align-items: center; justify-content: center;
    min-height: 78px; padding: .6rem;
    border: 1px dashed var(--line); border-radius: 2px;
    text-align: center; overflow: hidden;
    transition: border-color .22s ease, background .22s ease, transform .22s ease;
}
.ad-card.ad-empty { color: var(--ink-3); }
.ad-empty-num {
    font-family: var(--font-mono); font-size: .66rem;
    opacity: .6; margin-bottom: .1rem;
}
.ad-empty-text { font-size: .74rem; letter-spacing: .16em; }

.ad-card.ad-filled {
    border-style: solid; border-color: var(--line-soft);
    background: var(--paper);
}
.ad-card.ad-filled:hover {
    border-color: var(--accent); transform: translateY(-2px);
}
.ad-card.ad-accent {
    border-color: transparent;
    background: var(--accent-wash);
}
.ad-card.ad-accent .ad-title { color: var(--accent); }
.ad-card .ad-media img {
    display: block; width: 100%; height: auto;
    max-height: 92px; object-fit: contain;
}
.ad-card .ad-body { gap: .18rem; }
.ad-card .ad-title {
    font-size: .82rem; white-space: normal;
    display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.ad-card .ad-text { font-size: .66rem; -webkit-line-clamp: 2; }

/* ---------- 申请 ---------- */
.promo-apply {
    background: var(--paper-2);
    border: 1px solid var(--line);
    border-radius: 2px;
    padding: 1.5rem;
    margin-bottom: 1.8rem;
}
.apply-head h2 {
    font-size: .98rem; font-weight: 700; letter-spacing: .12em; margin-bottom: .4rem;
}
.apply-head p { font-size: .8rem; color: var(--ink-3); line-height: 1.85; margin-bottom: 1.1rem; }

.apply-contacts {
    list-style: none;
    display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: .5rem;
}
.apply-contact {
    display: flex; align-items: center; gap: .6rem;
    padding: .6rem .75rem;
    border: 1px solid var(--line); border-radius: 2px;
    cursor: pointer; min-width: 0;
    transition: border-color .2s ease, background .2s ease, color .2s ease;
}
.apply-contact:hover { border-color: var(--accent); background: var(--accent-wash); }
.apply-contact .c-icon { flex-shrink: 0; }
.apply-contact .c-text { min-width: 0; flex: 1; }
.apply-contact .c-value { font-size: .8rem; }
.apply-contact .c-copy {
    flex-shrink: 0; font-size: .66rem; color: var(--ink-3);
    border: 1px solid var(--line-soft); border-radius: 2px;
    padding: .05rem .34rem; letter-spacing: .06em;
}
.apply-contact:hover .c-copy { color: var(--accent); border-color: var(--accent); }
.apply-empty { font-size: .82rem; color: var(--ink-3); }

/* ---------- 页脚 ---------- */
.promo-foot {
    flex-shrink: 0; margin-top: auto;
    padding: 1.2rem 0 1.6rem;
    font-size: .68rem; color: var(--ink-3);
    line-height: 1.9; letter-spacing: .04em;
}
.promo-foot a:hover { color: var(--accent); }

/* ---------- 响应式 ---------- */
@media (max-width: 900px) {
    .ad-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}
@media (max-width: 680px) {
    .promo-wrap { padding: 1.2rem 1rem 0; }
    .promo-doc { padding: 1.3rem 1.2rem 1.4rem; }
    .promo-doc::before { display: none; }
    .promo-board, .promo-apply { padding: 1.1rem 1rem 1.2rem; }
    .ad-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .ad-card { min-height: 68px; }
    .apply-contacts { grid-template-columns: 1fr; }
    .doc-text { font-size: .86rem; line-height: 1.95; }
}
@media (max-width: 420px) {
    .promo-brand-text small { display: none; }
    .promo-back { padding: .3rem .45rem; font-size: .7rem; }
    .ad-grid { gap: .45rem; }
}