/* 新 morepage 版式 34（11-10，照竞品第 3 套）：深酒红褐底 + 金色标题 + 奶油色正文，满宽分段、小圆角 2~3px、左标签右正文的两栏格，内容宽 1080px。
   类名 rk4- 前缀，变量挂在 body.mp34。老页面（body.mp34-old，另有 module.css）只管页头、收尾、页脚和列表页底部两张表。底样式从 33 换色而来。 */
.mp34 {
  --rk4-paper: #2a1311;
  --rk4-paper-2: #3a1d1a;
  --rk4-sheet: #3b211f;
  --rk4-foot: #241010;
  --rk4-ink: #d4af37;
  --rk4-text: #f2e4ce;
  --rk4-muted: #c7b394;
  --rk4-rule: #6b4a3a;
  --rk4-rule-d: #8a6a4a;
  --rk4-hair: rgba(212, 175, 55, .2);
  --rk4-green: #df7337;
  --rk4-green-d: #c25e28;
  --rk4-lift: rgba(0, 0, 0, .35);
  --rk4-serif: 'Segoe UI', 'Microsoft YaHei', 'PingFang SC', Arial, sans-serif;
  --rk4-sans: 'Segoe UI', 'Microsoft YaHei', 'PingFang SC', Arial, sans-serif;
}

/* 首页、内页底色 */
body.mp34:not(.mp34-old) { background-color: var(--rk4-paper); background-image: linear-gradient(180deg, #2a1311 0, #3a1d1a 100%); background-attachment: fixed; color: var(--rk4-text); font-family: var(--rk4-sans); font-size: 16px; line-height: 1.85; }
.rk4-main h1, .rk4-main h2, .rk4-main h3, .rk4-hd h2 { font-family: var(--rk4-serif); color: var(--rk4-ink); font-weight: 700; letter-spacing: .02em; }
.rk4-main section[id] { scroll-margin-top: 16px; }
:where(.rk4-main) a { color: var(--rk4-green); }
.rk4-main a:focus-visible, .rk4-head a:focus-visible, .rk4-foot a:focus-visible, .rk4-cta a:focus-visible, .rk4-qa summary:focus-visible { outline: 2px solid var(--rk4-green); outline-offset: 2px; }

/* 按钮 */
.rk4-btns { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 26px; }
.rk4-btns-c { justify-content: center; }
.rk4-btn { display: inline-flex; align-items: center; justify-content: center; padding: 10px 26px; border: 2px solid transparent; border-radius: 3px; font-family: var(--rk4-sans); font-size: 15px; font-weight: 700; letter-spacing: .06em; line-height: 1.4; text-decoration: none; transition: background-color .2s, color .2s, border-color .2s; }
.rk4-btn-solid { background: var(--rk4-green); border-color: var(--rk4-green); color: #fff; }
.rk4-btn-solid:hover { background: var(--rk4-green-d); border-color: var(--rk4-green-d); color: #fff; }
.rk4-btn-frame { background: transparent; border-color: var(--rk4-rule-d); color: var(--rk4-ink); }
.rk4-btn-frame:hover { background: var(--rk4-ink); border-color: var(--rk4-ink); color: #2a1311; }

/* 页头 */
.rk4-head { position: relative; z-index: 1030; background: var(--rk4-paper); color: var(--rk4-text); font-family: var(--rk4-sans); font-size: 15px; line-height: 1.6; border-bottom: 4px double var(--rk4-rule-d); }
.rk4-ribbon { background: var(--rk4-paper-2); color: var(--rk4-muted); font-size: 12.5px; line-height: 1.5; letter-spacing: .18em; padding: 6px 0; text-align: center; border-bottom: 1px solid var(--rk4-hair); }
.rk4-ribbon .container { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.rk4-mid { margin: 0 10px; color: var(--rk4-green); }
.mp34 .rk4-nav { padding: 14px 0; }
.rk4-mark { order: 0; display: block; line-height: 0; margin-right: 18px; padding: 5px 10px; background: var(--rk4-sheet); border: 2px solid var(--rk4-rule-d); box-shadow: 3px 3px 0 var(--rk4-lift); }
.rk4-mark img { height: 38px; width: auto; max-width: 150px; }
.rk4-join { order: 1; margin-left: auto; margin-right: 10px; padding: 6px 16px; background: var(--rk4-green); border: 1px solid var(--rk4-green-d); border-radius: 3px; color: #fff; font-size: 14px; font-weight: 700; letter-spacing: .06em; line-height: 1.5; text-decoration: none; white-space: nowrap; }
.rk4-join:hover { background: var(--rk4-green-d); color: #fff; }
.mp34 .rk4-toggle { order: 2; padding: 5px 8px; border: 2px solid var(--rk4-rule-d); border-radius: 3px; background: var(--rk4-sheet); }
.mp34 .rk4-toggle:focus { box-shadow: 0 0 0 3px rgba(223, 115, 55, .25); }
.rk4-menu { order: 3; }
.rk4-tabs { gap: 6px; }
.mp34 .rk4-nav .rk4-tabs .nav-link { padding: 5px 13px; background: var(--rk4-sheet); border: 1.5px solid var(--rk4-rule); border-radius: 2px; box-shadow: 2px 2px 0 var(--rk4-lift); color: var(--rk4-ink); font-size: 14px; font-weight: 600; line-height: 1.5; text-decoration: none; transition: color .2s, border-color .2s, background-color .2s; }
.mp34 .rk4-nav .rk4-tabs .nav-link:hover { border-color: var(--rk4-green); color: var(--rk4-green); }
.mp34 .rk4-nav .rk4-tabs .nav-link.active { background: var(--rk4-ink); border-color: var(--rk4-ink); color: #2a1311; }
.rk4-index { padding: 8px 0; border-top: 1px solid var(--rk4-hair); background: var(--rk4-sheet); }
.rk4-index-in { display: flex; overflow-x: auto; scrollbar-width: thin; }
.rk4-index a { flex: 0 0 auto; padding: 1px 14px; border-left: 1px solid var(--rk4-rule); color: var(--rk4-text); font-family: var(--rk4-serif); font-size: 14px; line-height: 1.6; text-decoration: none; white-space: nowrap; }
.rk4-index a:first-child { border-left: 0; padding-left: 0; }
.rk4-index a:hover { color: var(--rk4-green); text-decoration: underline; text-underline-offset: 4px; }

@media (min-width: 992px) {
  .rk4-menu { order: 1; }
  .rk4-tabs { margin-left: auto; }
  .rk4-join { order: 2; margin: 0 0 0 16px; }
  .rk4-index-in { flex-wrap: wrap; justify-content: center; row-gap: 4px; overflow: visible; }
}
@media (max-width: 991.98px) {
  .rk4-menu { margin-top: 12px; padding: 12px 0 4px; border-top: 1px dashed var(--rk4-rule); }
  .rk4-tabs { gap: 8px; }
  .mp34 .rk4-nav .rk4-tabs .nav-link { padding: 9px 12px; }
}

/* 粗边框卡片 + 眉题 */
.rk4-plate { padding: 32px 36px; background: var(--rk4-sheet); border: 6px solid var(--rk4-rule); box-shadow: 0 12px 26px rgba(0, 0, 0, .12); }
.rk4-plate-hero { padding-top: 0; border-width: 8px; }
.rk4-eyebrow, .rk4-trail { display: flex; flex-wrap: wrap; align-items: center; justify-content: center; gap: 4px 14px; margin: 0 -36px 30px; padding: 12px 36px; border-bottom: 1px solid var(--rk4-hair); font-size: 12.5px; line-height: 1.6; letter-spacing: .32em; }
.rk4-eyebrow { color: var(--rk4-green); font-weight: 600; text-align: center; }
.rk4-eyebrow::before, .rk4-eyebrow::after { content: ""; flex: 0 0 28px; height: 5px; border-top: 1px solid var(--rk4-rule); border-bottom: 1px solid var(--rk4-rule); }
.rk4-trail { justify-content: flex-start; list-style: none; letter-spacing: .2em; color: var(--rk4-muted); }
.rk4-trail li + li::before { content: "\203A"; margin-right: 10px; color: var(--rk4-rule-d); }
.rk4-trail a { color: var(--rk4-green); text-decoration: none; }
.rk4-trail a:hover { text-decoration: underline; }

/* 首屏 */
.rk4-hero { padding: 40px 0 8px; }
.rk4-hero-grid { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr); gap: 36px; align-items: center; }
.rk4-main .rk4-plate-hero h1 { margin: 0 0 18px; font-size: clamp(1.8rem, 3.6vw, 2.7rem); line-height: 1.3; }
.rk4-intro p { margin: 0 0 12px; }
.rk4-mount { padding: 8px; background: #fff; border: 1px solid var(--rk4-rule); box-shadow: 6px 6px 0 var(--rk4-lift); line-height: 0; }
.rk4-mount img { display: block; width: 100%; height: auto; aspect-ratio: 4 / 3; object-fit: cover; filter: saturate(.86) sepia(.08); }
.rk4-main .rk4-hero-page .rk4-plate-hero h1 { font-size: clamp(1.7rem, 3.2vw, 2.4rem); }
.rk4-hero-page .rk4-intro { max-width: 880px; }

/* 版块标题 */
.rk4-sec { padding: 44px 0; }
.rk4-hd { margin-bottom: 26px; text-align: center; }
.rk4-hd h2 { margin: 0; font-size: clamp(1.45rem, 2.6vw, 2rem); line-height: 1.35; }
.rk4-hd h2::after { content: ""; display: block; width: 64px; height: 5px; margin: 14px auto 0; border-top: 2px solid var(--rk4-rule-d); border-bottom: 1px solid var(--rk4-rule-d); }
.rk4-hd p { max-width: 680px; margin: 14px auto 0; color: var(--rk4-muted); font-size: 15px; line-height: 1.75; }

/* 表格 */
.rk4-ledger { border-top: 2px solid var(--rk4-ink); border-bottom: 2px solid var(--rk4-ink); }
.mp34 .rk4-table { --bs-table-bg: transparent; --bs-table-color: var(--rk4-text); --bs-table-border-color: var(--rk4-hair); margin: 0; min-width: 560px; font-size: 15px; }
.mp34 .rk4-table thead th { padding: 12px 16px; border-bottom: 1px solid var(--rk4-rule-d); color: var(--rk4-ink); font-family: var(--rk4-serif); font-size: 15px; font-weight: 700; letter-spacing: .1em; white-space: nowrap; }
.mp34 .rk4-table td { padding: 13px 16px; vertical-align: middle; }
.mp34 .rk4-table tbody tr:last-child > * { border-bottom: 0; }
.mp34 .rk4-table tbody tr:hover > * { --bs-table-bg-state: rgba(223, 115, 55, .05); }
.rk4-day { color: var(--rk4-muted) !important; font-size: 14px; white-space: nowrap; font-variant-numeric: tabular-nums; }
.rk4-comp { color: var(--rk4-green) !important; font-size: 14px; letter-spacing: .04em; white-space: nowrap; }
.rk4-pair { color: var(--rk4-ink) !important; font-weight: 600; }
.rk4-v { margin: 0 10px; color: var(--rk4-muted); font-weight: 400; }
.rk4-res { display: inline-block; padding: 0 4px; border-bottom: 2px solid var(--rk4-green); color: var(--rk4-ink); font-family: var(--rk4-serif); font-size: 17px; font-weight: 700; white-space: nowrap; font-variant-numeric: tabular-nums; }
.rk4-stamp { display: inline-block; padding: 1px 10px; border: 1px solid var(--rk4-rule-d); color: var(--rk4-text); font-size: 13px; letter-spacing: .1em; white-space: nowrap; }
.rk4-ver { color: var(--rk4-ink) !important; font-family: var(--rk4-serif); font-weight: 700; white-space: nowrap; }

/* 话题 1~3 */
.rk4-folios { padding: 14px 0 18px; }
.rk4-folio { display: grid; gap: 30px; margin-bottom: 28px; padding: 34px 38px; background: var(--rk4-sheet); border: 2px solid var(--rk4-rule); box-shadow: 0 8px 0 var(--rk4-lift); }
.rk4-folio:last-child { margin-bottom: 0; }
.rk4-main .rk4-folio h2 { margin: 0 0 8px; font-size: clamp(1.35rem, 2.3vw, 1.8rem); line-height: 1.4; }
.rk4-main .rk4-folio h3, .rk4-main .rk4-card h3 { margin: 0 0 16px; padding-bottom: 12px; border-bottom: 1px dashed var(--rk4-rule); color: var(--rk4-green); font-family: var(--rk4-sans); font-size: 1rem; font-weight: 600; line-height: 1.6; letter-spacing: .02em; }
.rk4-folio p { margin: 0 0 10px; }
.rk4-folio-img img { aspect-ratio: 7 / 5; }

/* feature 三步 */
.rk4-steps { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); }
.rk4-step { padding: 4px 28px; border-left: 1px solid var(--rk4-rule); }
.rk4-step:first-child { padding-left: 0; border-left: 0; }
.rk4-step:last-child { padding-right: 0; }
.rk4-step-no { display: block; margin-bottom: 10px; color: var(--rk4-green); font-family: var(--rk4-serif); font-size: 2.4rem; font-weight: 700; line-height: 1; }
.rk4-main .rk4-step h3 { margin: 0 0 8px; font-size: 1.12rem; line-height: 1.5; }
.rk4-step p { margin: 0; font-size: 15px; line-height: 1.8; }

/* 资讯 */
.rk4-story { height: 100%; padding: 10px; background: var(--rk4-sheet); border: 1px solid var(--rk4-rule); box-shadow: 0 5px 0 var(--rk4-lift); }
.rk4-story-pic, .rk4-brief-pic { display: block; line-height: 0; border: 1px solid var(--rk4-hair); overflow: hidden; }
.rk4-story-pic img, .rk4-brief-pic img { display: block; width: 100%; height: auto; object-fit: cover; filter: saturate(.88); }
.rk4-story-pic img { aspect-ratio: 16 / 10; }
.rk4-story-body { padding: 12px 6px 6px; }
.rk4-story time, .rk4-brief time { color: var(--rk4-green); font-size: 12.5px; letter-spacing: .1em; font-variant-numeric: tabular-nums; }
.rk4-main .rk4-story h3, .rk4-main .rk4-brief h3 { margin: 4px 0 6px; font-size: 1.02rem; line-height: 1.5; }
.rk4-story h3 a, .rk4-brief h3 a { color: var(--rk4-ink); text-decoration: none; }
.rk4-story h3 a:hover, .rk4-brief h3 a:hover { color: var(--rk4-green); text-decoration: underline; text-underline-offset: 4px; }
.rk4-story p, .rk4-brief p { margin: 0; color: var(--rk4-muted); font-size: 14px; line-height: 1.7; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.rk4-story-lead { padding: 14px; }
.rk4-story-lead .rk4-story-pic img { aspect-ratio: 18 / 11; }
.rk4-main .rk4-story-lead h3 { font-size: 1.35rem; }
.rk4-story-lead p { -webkit-line-clamp: 3; font-size: 15px; }
.rk4-briefs { height: 100%; padding: 4px 18px; background: var(--rk4-sheet); border: 1px solid var(--rk4-rule); box-shadow: 0 5px 0 var(--rk4-lift); }
.rk4-brief { display: flex; gap: 14px; padding: 14px 0; border-bottom: 1px dashed var(--rk4-rule); }
.rk4-brief:last-child { border-bottom: 0; }
.rk4-brief-pic { flex: 0 0 104px; align-self: flex-start; }
.rk4-brief-pic img { aspect-ratio: 4 / 3; }
.rk4-brief-body { min-width: 0; }
.rk4-main .rk4-brief h3 { font-size: .98rem; margin-top: 2px; }
.rk4-brief p { font-size: 13.5px; }
.rk4-more { margin-top: 28px; text-align: center; }
.rk4-more a { display: inline-block; padding: 8px 24px; border: 2px solid var(--rk4-rule-d); color: var(--rk4-ink); font-weight: 600; letter-spacing: .1em; text-decoration: none; }
.rk4-more a:hover { background: var(--rk4-ink); border-color: var(--rk4-ink); color: #2a1311; }

/* 话题 4~6 */
.rk4-folios-3 { padding: 18px 0 22px; }
.rk4-card { height: 100%; padding: 22px; background: var(--rk4-sheet); border: 2px solid var(--rk4-rule); box-shadow: 0 8px 0 var(--rk4-lift); }
.rk4-card-img { display: block; width: 100%; height: auto; aspect-ratio: 16 / 10; object-fit: cover; margin-bottom: 18px; border: 1px solid var(--rk4-hair); filter: saturate(.86) sepia(.08); }
.rk4-main .rk4-card h2 { margin: 0 0 6px; font-size: 1.25rem; line-height: 1.45; }
.rk4-main .rk4-card h3 { margin-bottom: 12px; padding-bottom: 10px; font-size: .95rem; }
.rk4-card p { margin: 0 0 8px; font-size: 15px; }

/* 问答 */
.rk4-qa-list { max-width: 920px; margin: 0 auto; border-top: 2px solid var(--rk4-ink); }
.rk4-qa { border-bottom: 1px solid var(--rk4-rule); }
.rk4-qa summary { position: relative; display: block; list-style: none; cursor: pointer; padding: 16px 44px 16px 0; color: var(--rk4-ink); font-family: var(--rk4-serif); font-size: 1.05rem; font-weight: 700; line-height: 1.6; }
.rk4-qa summary::-webkit-details-marker { display: none; }
.rk4-qa summary::after { content: "+"; position: absolute; right: 4px; top: 50%; width: 24px; height: 24px; margin-top: -12px; border: 1.5px solid var(--rk4-rule-d); color: var(--rk4-ink); font-family: var(--rk4-sans); font-weight: 600; line-height: 21px; text-align: center; }
.rk4-qa[open] summary::after { content: "\2212"; background: var(--rk4-ink); border-color: var(--rk4-ink); color: #2a1311; }
.rk4-qa p { margin: 0; padding: 0 0 18px; }

/* 内页 */
.rk4-sheet { padding: 28px 32px; background: var(--rk4-sheet); border: 1px solid var(--rk4-rule); box-shadow: 0 6px 0 var(--rk4-lift); }
.rk4-sheet p { margin: 0 0 12px; }
.rk4-sheet p:last-child { margin-bottom: 0; }
.rk4-note { height: 100%; padding: 22px; background: var(--rk4-sheet); border: 1px solid var(--rk4-rule); border-top: 4px solid var(--rk4-rule-d); }
.rk4-tag { display: inline-block; margin-bottom: 10px; padding: 1px 10px; border: 1.5px solid var(--rk4-green); color: var(--rk4-green); font-size: 12.5px; font-weight: 600; letter-spacing: .12em; line-height: 1.6; }
.rk4-main .rk4-note h3 { margin: 0 0 8px; font-size: 1.08rem; line-height: 1.5; }
.rk4-note p { margin: 0; font-size: 15px; line-height: 1.8; }
.rk4-contact { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); column-gap: 24px; list-style: none; margin: 22px 0 0; padding: 0; border-top: 2px solid var(--rk4-ink); }
.rk4-contact li { padding: 14px 4px; border-bottom: 1px solid var(--rk4-rule); color: var(--rk4-ink); overflow-wrap: anywhere; }
.rk4-contact span { display: block; margin-bottom: 2px; color: var(--rk4-green); font-size: 12.5px; letter-spacing: .16em; }

/* 收尾 */
.rk4-cta { padding: 20px 0 56px; background: var(--rk4-paper); color: var(--rk4-text); font-family: var(--rk4-sans); font-size: 16px; line-height: 1.8; }
.rk4-cta-frame { padding: 42px 34px; background: var(--rk4-sheet); border: 8px solid var(--rk4-rule); outline: 1px solid var(--rk4-rule); outline-offset: -18px; text-align: center; }
.rk4-cta h2 { margin: 0 0 10px; color: var(--rk4-ink); font-family: var(--rk4-serif); font-size: clamp(1.4rem, 2.6vw, 2rem); font-weight: 700; line-height: 1.4; }
.rk4-cta p { max-width: 620px; margin: 0 auto; color: var(--rk4-muted); }

/* 页脚 */
.rk4-foot { padding: 48px 0 22px; background: var(--rk4-foot); border-top: 6px solid var(--rk4-rule-d); color: var(--rk4-text); font-family: var(--rk4-sans); font-size: 14.5px; line-height: 1.8; }
.rk4-foot-cols { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1.5fr; gap: 28px 36px; }
.rk4-foot-logo { display: block; height: 50px; width: auto; max-width: 170px; margin-bottom: 14px; padding: 4px 8px; background: var(--rk4-sheet); border: 2px solid var(--rk4-rule-d); }
.rk4-foot-brand p { margin: 0; color: var(--rk4-muted); }
.rk4-foot h3 { margin: 0 0 14px; padding-bottom: 8px; border-bottom: 1px solid var(--rk4-rule); color: var(--rk4-ink); font-family: var(--rk4-serif); font-size: 15px; font-weight: 700; letter-spacing: .2em; line-height: 1.5; }
.rk4-foot ul { list-style: none; margin: 0; padding: 0; }
.rk4-foot li { margin-bottom: 7px; }
.rk4-foot-desk li { overflow-wrap: anywhere; }
.rk4-foot a { color: var(--rk4-text); text-decoration: none; }
.rk4-foot a:hover { color: var(--rk4-green); text-decoration: underline; text-underline-offset: 3px; }
.rk4-foot-rec { display: flex; flex-wrap: wrap; align-items: center; gap: 6px 16px; margin-top: 30px; padding: 12px 0; border-top: 1px dashed var(--rk4-rule); border-bottom: 1px dashed var(--rk4-rule); }
.rk4-foot-rec-h { color: var(--rk4-ink); font-family: var(--rk4-serif); font-weight: 700; letter-spacing: .16em; }
.mp34 .rk4-foot-rec a { color: var(--rk4-green); font-size: 13.5px; }
.rk4-foot-base { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 6px 20px; margin-top: 18px; color: var(--rk4-muted); font-size: 13px; }
.mp34 .rk4-beian a { color: var(--rk4-muted); }

/* 老页面：module.css 把 .container 内边距清零，补回；底部两张表自己铺纸色底 */
.mp34-old .rk4-head .container, .mp34-old .rk4-sec .container, .mp34-old .rk4-cta .container, .mp34-old .rk4-foot .container { padding-left: 12px; padding-right: 12px; }
.mp34-old .rk4-sec { background: var(--rk4-paper); color: var(--rk4-text); font-family: var(--rk4-sans); font-size: 16px; line-height: 1.8; }
.mp34-old .rk4-sec + .rk4-sec { padding-top: 0; }
.mp34-old .rk4-cta { padding-top: 40px; }
.mp34-old .rk4-sec + .rk4-cta { padding-top: 8px; }

/* 响应式 */
@media (min-width: 992px) {
  .rk4-folio-pic { grid-template-columns: minmax(0, 1fr) 42%; align-items: center; }
  .rk4-folio-flip { grid-template-columns: 42% minmax(0, 1fr); }
  .rk4-folio-flip .rk4-folio-img { order: -1; }
}
@media (max-width: 991.98px) {
  .rk4-hero-grid { grid-template-columns: 1fr; gap: 26px; }
  .rk4-foot-cols { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 767.98px) {
  .rk4-hero { padding-top: 24px; }
  .rk4-sec { padding: 32px 0; }
  .rk4-plate { padding: 22px 18px; border-width: 5px; }
  .rk4-plate-hero { padding-top: 0; border-width: 6px; }
  .rk4-eyebrow, .rk4-trail { margin: 0 -18px 22px; padding: 10px 18px; letter-spacing: .18em; }
  .rk4-eyebrow::before, .rk4-eyebrow::after { flex-basis: 16px; }
  .rk4-folio { padding: 22px 20px; gap: 20px; }
  .rk4-steps { grid-template-columns: 1fr; }
  .rk4-step, .rk4-step:first-child, .rk4-step:last-child { padding: 18px 0; border-left: 0; border-top: 1px solid var(--rk4-rule); }
  .rk4-step:first-child { padding-top: 0; border-top: 0; }
  .mp34 .rk4-table { font-size: 14px; }
  .mp34 .rk4-table thead th, .mp34 .rk4-table td { padding: 10px 12px; }
  .rk4-sheet { padding: 20px; }
  .rk4-cta-frame { padding: 32px 22px; border-width: 6px; outline-offset: -12px; }
}
@media (max-width: 575.98px) {
  .rk4-foot-cols { grid-template-columns: 1fr 1fr; }
  .rk4-foot-brand, .rk4-foot-desk { grid-column: 1 / -1; }
  .rk4-btns .rk4-btn { flex: 1 1 auto; }
  .rk4-mark { margin-right: 10px; padding: 4px 8px; }
  .rk4-mark img { height: 30px; }
  .rk4-ribbon { letter-spacing: .08em; }
  .rk4-brief-pic { flex-basis: 88px; }
}

/* 34 自己的版块：满宽分段 + 金色细线标题 */
.rk4-wrap { max-width: 1080px; margin: 0 auto; padding: 0 18px; }
.rk4-band { padding: 46px 0; border-top: 1px solid var(--rk4-hair); }
.rk4-band-alt { background: rgba(0, 0, 0, .18); }
.rk4-hero { border-top: 0; padding: 54px 0 46px; }
.rk4-hero-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 34px; align-items: center; }
.rk4-hero h1 { font-size: 32px; line-height: 1.35; margin: 6px 0 16px; }
.rk4-eyebrow { display: inline-block; color: var(--rk4-green); font-size: 13px; letter-spacing: .12em; border-bottom: 1px solid var(--rk4-green); padding-bottom: 2px; margin: 0; }
.rk4-mount { margin: 0; border: 1px solid var(--rk4-hair); border-radius: 3px; padding: 6px; background: rgba(0, 0, 0, .2); }
.rk4-mount img { display: block; width: 100%; height: auto; border-radius: 2px; }
.rk4-hd { margin-bottom: 20px; }
.rk4-hd h2 { font-size: 24px; margin: 0 0 8px; padding-bottom: 10px; border-bottom: 2px solid var(--rk4-ink); display: inline-block; }
.rk4-hd p { color: var(--rk4-muted); margin: 6px 0 0; }
.rk4-kv { display: grid; grid-template-columns: 220px 1fr; gap: 22px; padding: 16px 0; border-bottom: 1px dashed var(--rk4-hair); }
.rk4-kv:last-child { border-bottom: 0; }
.rk4-kv-k { font-size: 17px; color: var(--rk4-ink); margin: 0; line-height: 1.6; }
.rk4-kv-v { margin: 0; }
.rk4-kv-v p { margin: 0 0 12px; }
.rk4-topic-img { margin-top: 14px; max-width: 720px; }
.rk4-steps .rk4-step { background: none; border: 0; border-bottom: 1px dashed var(--rk4-hair); padding: 16px 0; margin: 0; }
.rk4-news { display: grid; grid-template-columns: 1fr 340px; gap: 28px; align-items: start; }
.rk4-newslist { list-style: none; margin: 0; padding: 0; }
.rk4-newslist li { display: flex; gap: 14px; align-items: baseline; padding: 11px 0; border-bottom: 1px solid var(--rk4-hair); }
.rk4-newslist time { flex: 0 0 auto; color: var(--rk4-green); font-size: 13px; font-variant-numeric: tabular-nums; }
.rk4-newstitle { font-size: 16px; margin: 0; font-weight: 500; line-height: 1.6; }
.rk4-newstitle a, .rk4-card h3, .rk4-kv-v a { color: var(--rk4-text); text-decoration: none; }
.rk4-newstitle a:hover { color: var(--rk4-ink); }
.rk4-news-pic { display: block; border: 1px solid var(--rk4-hair); border-radius: 3px; overflow: hidden; color: var(--rk4-muted); text-decoration: none; background: rgba(0, 0, 0, .2); }
.rk4-news-pic img { display: block; width: 100%; height: auto; }
.rk4-news-pic span { display: block; padding: 10px 12px; font-size: 14px; line-height: 1.7; }
.rk4-pair2 { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.rk4-pair2 .rk4-card { background: var(--rk4-sheet); border: 1px solid var(--rk4-hair); border-radius: 3px; padding: 22px; margin: 0; }
.rk4-pair2 .rk4-card h2 { font-size: 20px; margin: 0 0 12px; color: var(--rk4-ink); }
.rk4-pair2 .rk4-card h3 { font-size: 16px; margin: 12px 0 8px; }
.rk4-card-img { width: 100%; height: auto; border-radius: 2px; }
.mp34 .rk4-table { --bs-table-bg: transparent; --bs-table-color: var(--rk4-text); --bs-table-border-color: var(--rk4-hair); color: var(--rk4-text); }
.mp34 .rk4-table thead th { color: var(--rk4-ink); border-bottom: 2px solid var(--rk4-ink); font-weight: 600; }
.mp34 .rk4-qa { background: rgba(0, 0, 0, .18); border: 1px solid var(--rk4-hair); border-radius: 3px; }
.mp34 .rk4-qa summary { color: var(--rk4-ink); }
@media (max-width: 820px) {
  .rk4-hero-grid, .rk4-kv, .rk4-news, .rk4-pair2 { grid-template-columns: 1fr; }
  .rk4-kv { gap: 6px; }
  .rk4-hero h1 { font-size: 26px; }
  .rk4-band { padding: 34px 0; }
}

/* ==== 11-10 人工复查修正 ==== */
.rk4-mount img { aspect-ratio: 3 / 2; filter: none; }
.rk4-story-pic img, .rk4-brief-pic img { filter: none; }
.rk4-card-img { aspect-ratio: 3 / 2; filter: none; border: 0; }
.rk4-mark { background: none; border: 0; padding: 0; }
.mp34 .rk4-nav .rk4-tabs .nav-link { box-shadow: none; }
.rk4-plate, .rk4-sheet, .rk4-note { box-shadow: none; }
.rk4-cta-frame { outline: 0; }
.rk4-eyebrow { justify-content: flex-start; text-align: left; margin-left: 0; margin-right: 0; }
.rk4-eyebrow::before, .rk4-eyebrow::after { content: none; }
.rk4-hd h2::after { content: none; }
.rk4-tnote { color: var(--rk4-muted); font-size: 13px; margin: 10px 0 0; }
.mp34 .rk4-qa summary { padding-left: 18px; }
.mp34 .rk4-qa p { padding: 0 18px 16px; }

.rk4-hd { text-align: left; }
.rk4-hd p { margin-left: 0; max-width: none; }
.rk4-eyebrow { padding: 0 0 2px; border-bottom: 1px solid var(--rk4-green); }
.rk4-qa-list { max-width: none; border-top: 0; }

.rk4-head { border-bottom: 1px solid var(--rk4-hair); }
.rk4-plate, .rk4-sheet, .rk4-note { border: 1px solid var(--rk4-hair); border-radius: 3px; }
.rk4-cta-frame { border: 1px solid var(--rk4-ink); border-radius: 3px; }
.rk4-foot { border-top: 2px solid var(--rk4-ink); }
.rk4-steps { display: block; }
.mp34 .rk4-nav .rk4-tabs .nav-link { background: none; border-color: var(--rk4-hair); }