/* ============================================================================
   鲁迪乌斯 · 电脑端

   设计语言：电影级沉浸 × 商城。
   · 首屏整屏背景画，捲动时画面不动、内容纸页从下方盖上来；正中是大字店名、大搜索列与热门分类；
   · 纸页上：杂志拼格的「店长推荐」、黏性横向分类、以图为主的全宽商品网格；
   · 元件统一：胶囊按钮、单色主按钮、20px 圆角图片、柔和投影；不用切角、金框、掠光、3D 倾斜；
   · 风格靠背景画、配色、字体与节奏表达，不摆道具、不发明看不懂的符号。
   只在电脑端（含桌面 UA 的 iPad）下发。
   ========================================================================= */

.ru--pc {
    /* 尺度与会员中心一致：版心 1440、两侧 28px、顶栏 64px（2026-09-27 主人嫌商城页「有点大、展示得别扭」，整体收一档） */
    --ru-page: 1440px;
    --ru-gutter: 28px;
    --ru-top-h: 64px;
    --pc-card-shadow: 0 1px 2px rgba(30, 22, 8, .06), 0 16px 34px -22px rgba(30, 22, 8, .38);
    --pc-card-shadow-hi: 0 2px 6px rgba(30, 22, 8, .06), 0 30px 56px -26px rgba(30, 22, 8, .48);
    --pc-panel-shadow: 0 2px 6px rgba(30, 22, 8, .04), 0 34px 80px -46px rgba(30, 22, 8, .45);
    --hero-veil: 250, 245, 234;
    --hero-card: 252, 249, 242;
    --pc-side-w: 212px;
    --pc-side-tint: rgba(120, 88, 36, .045);
    /* 纸面板（首页货架、会员中心、商品页、查单页）半透明：透出背后的背景画。
       默认只透一点点（没有毛玻璃的浏览器、低端机、简约特效）；支持 backdrop-filter 时再调透、加模糊，见下方 @supports */
    --pc-sheet: rgba(251, 247, 238, .92);
    --pc-sheet-2: var(--ru-paper-2);
    --pc-card: var(--ru-paper);
    /* 顶栏与栏上的胶囊（导航 / 工具列）、弹层：同一套，默认近乎实色，毛玻璃时见 @supports */
    --pc-top: var(--ru-paper-a);
    --pc-glass: var(--ru-paper-a);
    --pc-glass-edge: var(--ru-line-2);
    --pc-glass-shine: 0 0 0 transparent;
    --pc-glass-drop: 0 10px 28px -18px rgba(20, 14, 4, .4);
    --pc-chip: var(--ru-paper);
    --pc-hover: var(--ru-paper-2);
    --pc-kbd: var(--ru-paper-2);
    --pc-well: var(--ru-paper-2);
    --pc-pop: var(--ru-paper);
}
:root[data-theme="dark"] .ru--pc {
    --pc-sheet: rgba(22, 26, 51, .92);
    --pc-card-shadow: 0 1px 2px rgba(0, 0, 0, .3), 0 18px 36px -20px rgba(0, 0, 0, .7);
    --pc-card-shadow-hi: 0 2px 6px rgba(0, 0, 0, .35), 0 30px 60px -24px rgba(0, 0, 0, .8);
    --pc-panel-shadow: 0 2px 6px rgba(0, 0, 0, .3), 0 40px 90px -46px rgba(0, 0, 0, .85);
    --hero-veil: 8, 10, 28;
    --hero-card: 24, 28, 54;
    --pc-side-tint: rgba(0, 0, 0, .16);
    --pc-glass-drop: 0 10px 28px -16px rgba(0, 0, 0, .6);
}

.ru-wrap { width: min(100% - var(--ru-gutter) * 2, var(--ru-page)); margin-inline: auto; }

/*
  毛玻璃纸面：纸色 50%（夜间 55%）+ 模糊 28px —— 模糊越重，透得越多也不糊字（画的细节被磨成色块，只剩色调）。
  整页只有这一块大面积的 backdrop-filter（另一块是捲动后的顶栏），吸取涩谷「整机卡」的教训：
  低端机（data-ru-tier=low）与简约特效（data-ru-fx=lite）不开模糊，退回 92% 的纸色。
*/
@supports ((-webkit-backdrop-filter: blur(1px)) or (backdrop-filter: blur(1px))) {
    /* 板上的次级面（会员中心的面板、查单结果卡、商品页价格块）也跟着透，但不再各自模糊 —— 它们下面已是模糊过的板面；
       输入框、选项、按钮仍是实色纸面，操作不受背景干扰 */
    :root:not([data-ru-fx="lite"]):not([data-ru-tier="low"]) .ru--pc {
        --pc-sheet: rgba(251, 247, 238, .5);
        --pc-sheet-2: rgba(242, 234, 216, .66);
        --pc-card: rgba(251, 247, 238, .42);
        --pc-top: rgba(251, 247, 238, .55);
        --pc-glass: rgba(255, 252, 245, .42);
        --pc-glass-edge: rgba(255, 255, 255, .6);
        --pc-glass-shine: inset 0 1px 0 rgba(255, 255, 255, .55);
        --pc-chip: rgba(255, 253, 248, .66);
        --pc-hover: rgba(255, 255, 255, .5);
        --pc-kbd: rgba(255, 255, 255, .5);
        --pc-well: rgba(255, 255, 255, .3);
        --pc-pop: rgba(251, 247, 238, .74);
    }
    :root[data-theme="dark"]:not([data-ru-fx="lite"]):not([data-ru-tier="low"]) .ru--pc {
        --pc-sheet: rgba(22, 26, 51, .55);
        --pc-sheet-2: rgba(29, 34, 64, .55);
        --pc-card: rgba(22, 26, 51, .45);
        --pc-top: rgba(22, 26, 51, .58);
        --pc-glass: rgba(24, 28, 56, .46);
        --pc-glass-edge: rgba(190, 180, 255, .16);
        --pc-glass-shine: inset 0 1px 0 rgba(255, 255, 255, .07);
        --pc-chip: rgba(255, 255, 255, .1);
        --pc-hover: rgba(255, 255, 255, .07);
        --pc-kbd: rgba(255, 255, 255, .08);
        --pc-well: rgba(0, 0, 0, .2);
        --pc-pop: rgba(22, 26, 51, .78);
    }
    :root:not([data-ru-fx="lite"]):not([data-ru-tier="low"]) .ru-board,
    :root:not([data-ru-fx="lite"]):not([data-ru-tier="low"]) .ru-product__sheet,
    :root:not([data-ru-fx="lite"]):not([data-ru-tier="low"]) .ru-ledger__sheet,
    :root:not([data-ru-fx="lite"]):not([data-ru-tier="low"]) .ru-auth .ru-auth__card {
        -webkit-backdrop-filter: blur(28px) saturate(1.45);
        backdrop-filter: blur(28px) saturate(1.45);
    }
    /* 顶栏上的两枚胶囊与首页公告卡压在背景画上，各自模糊（面积小）；弹层打开时才有 */
    :root:not([data-ru-fx="lite"]):not([data-ru-tier="low"]) .ru-nav,
    :root:not([data-ru-fx="lite"]):not([data-ru-tier="low"]) .ru-tools::before,
    :root:not([data-ru-fx="lite"]):not([data-ru-tier="low"]) .ru-lead__notice {
        -webkit-backdrop-filter: blur(20px) saturate(1.6);
        backdrop-filter: blur(20px) saturate(1.6);
    }
    :root:not([data-ru-fx="lite"]):not([data-ru-tier="low"]) .ru-pop__panel {
        -webkit-backdrop-filter: blur(26px) saturate(1.5);
        backdrop-filter: blur(26px) saturate(1.5);
    }
    :root:not([data-ru-fx="lite"]):not([data-ru-tier="low"]) .ru-lead__notice {
        border-color: var(--pc-glass-edge);
        background: rgba(var(--hero-card), .5);
        box-shadow: var(--pc-glass-shine), 0 18px 40px -24px rgba(10, 8, 30, .55);
    }
    :root:not([data-ru-fx="lite"]):not([data-ru-tier="low"]) .ru-lead__notice:hover { background: rgba(var(--hero-card), .68); }
    /* 页脚：跟捲动后的顶栏同一种通栏毛玻璃（画在 ::before），各页原本淡进纸色的渐层与留白一并收掉；
       上缘是「外侧细线 + 内侧一道亮边」，页脚有 overflow:hidden，所以两道都用 inset 画 */
    :root:not([data-ru-fx="lite"]):not([data-ru-tier="low"]) .ru-foot { margin-top: 48px; padding-top: 46px; border-top: 0; background: none; }
    :root:not([data-ru-fx="lite"]):not([data-ru-tier="low"]) .ru-auth + .ru-foot { margin-top: 0; }
    :root:not([data-ru-fx="lite"]):not([data-ru-tier="low"]) .ru-foot::before {
        content: "";
        position: absolute;
        inset: 0;
        z-index: -1;
        background: var(--pc-top);
        box-shadow: inset 0 1px 0 var(--ru-line), inset 0 2px 0 rgba(255, 255, 255, .5);
        -webkit-backdrop-filter: blur(28px) saturate(1.45);
        backdrop-filter: blur(28px) saturate(1.45);
    }
    :root[data-theme="dark"]:not([data-ru-fx="lite"]):not([data-ru-tier="low"]) .ru-foot::before { box-shadow: inset 0 1px 0 var(--ru-line-2), inset 0 2px 0 rgba(255, 255, 255, .05); }
    /* 底变半透明后对比会跟着背景画浮动：地图线稿退后一点，小字各深一阶 */
    :root:not([data-ru-fx="lite"]):not([data-ru-tier="low"]) .ru-foot__map { opacity: .2; }
    :root[data-theme="dark"]:not([data-ru-fx="lite"]):not([data-ru-tier="low"]) .ru-foot__map { opacity: .26; }
    :root:not([data-ru-fx="lite"]):not([data-ru-tier="low"]) .ru-foot__desc,
    :root:not([data-ru-fx="lite"]):not([data-ru-tier="low"]) .ru-foot__col > a,
    :root:not([data-ru-fx="lite"]):not([data-ru-tier="low"]) .ru-foot__langs a:not(.is-on) { color: var(--ru-ink-2); }
    :root:not([data-ru-fx="lite"]):not([data-ru-tier="low"]) .ru-foot__col > a:hover,
    :root:not([data-ru-fx="lite"]):not([data-ru-tier="low"]) .ru-foot__langs a:not(.is-on):hover { color: var(--ru-ink); }
    :root:not([data-ru-fx="lite"]):not([data-ru-tier="low"]) .ru-foot__base { color: var(--ru-ink-3); }
}
.ru-main { position: relative; z-index: 1; }
/* 内容比视窗矮的页面（查单页还没查、空分类、登录页）：页脚压到视窗底边 —— 背景画是整页固定的，
   页面在视窗底部提前结束的话，页脚下面会露出一截画（背景罩变淡、纸面板半透明之后更明显） */
body.ru--pc { display: flex; flex-direction: column; }
body.ru--pc > #ru-main, body.ru--pc > .ru-pjax > #ru-main { flex: 1 0 auto; }
/* 无刷新跳转的转场（Pjax.js 写 html[data-ru-vt="page"]）：整页交叉淡化，不把正文拆出来单独成组 ——
   单独成组的元素是隔离截图，毛玻璃面板截不到背后的画，转场里整块变透明、结束时再闪回来（2026-09-30 主人反馈会员中心切页闪三下）。
   整页截图里毛玻璃是完整的；顶栏、背景、左栏两页都一样，旧图淡出、新图淡入（同一条时间线、plus-lighter 叠加）时原地不动，只有变了的内容淡换 */
html[data-ru-vt="page"]::view-transition-group(root) { animation-duration: 180ms; }
@media (prefers-reduced-motion: reduce) {
    ::view-transition-group(*), ::view-transition-old(*), ::view-transition-new(*) { animation-duration: 1ms !important; }
}
.ru--pc .ru-btn { border-radius: var(--ru-r-pill); }
.ru--pc .ru-btn--sm { padding: 0 16px; }
.ru--pc .ru-input { border-radius: 14px; }

/* ---------------------------------------------------------------- 顶栏 */
.ru-top {
    position: fixed;
    left: 0;
    right: 0;
    top: 0;
    z-index: var(--ru-z-header);
    height: var(--ru-top-h);
}
/* 捲动后落下的毛玻璃条画在 ::before：模糊挂在 .ru-top 本身会让它成为「背景根」，
   里面的胶囊、弹层再做 backdrop-filter 就只模糊得到顶栏自己，弹层伸出顶栏的那截直接透出清晰的正文 */
.ru-top::before {
    content: "";
    position: absolute;
    inset: 0;
    z-index: -1;
    background: var(--pc-top);
    box-shadow: 0 1px 0 var(--ru-line), 0 12px 30px -26px rgba(20, 14, 4, .45);
    opacity: 0;
    transition: opacity var(--ru-t3);
    pointer-events: none;
}
.ru-top.is-scrolled::before {
    opacity: 1;
    -webkit-backdrop-filter: blur(24px) saturate(1.5);
    backdrop-filter: blur(24px) saturate(1.5);
}
.ru-top__bar { display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: 24px; height: 100%; }
.ru-brand { display: inline-flex; align-items: center; gap: 10px; min-width: 0; justify-self: start; color: var(--ru-ink); }
.ru-brand__logo { width: 30px; height: 30px; flex: none; border-radius: 9px; object-fit: cover; background: var(--ru-paper); box-shadow: 0 0 0 1px var(--ru-line-2), 0 4px 12px -6px rgba(0, 0, 0, .35); }
.ru-brand__name { overflow: hidden; max-width: 16em; font: 800 17px/1.2 var(--ru-font-serif); letter-spacing: .05em; white-space: nowrap; text-overflow: ellipsis; }
/* 导航与右侧工具列：两枚同高（40px）的毛玻璃胶囊，每项「线条图标 + 字」；当前页整块浮起、图标换魔力色 */
.ru-nav {
    display: flex;
    align-items: center;
    gap: 2px;
    justify-self: center;
    padding: 3px;
    border: 1px solid var(--pc-glass-edge);
    border-radius: var(--ru-r-pill);
    background: var(--pc-glass);
    box-shadow: var(--pc-glass-shine), var(--pc-glass-drop);
}
.ru-nav__link {
    position: relative;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    height: 32px;
    padding: 0 13px 0 11px;
    border-radius: var(--ru-r-pill);
    color: var(--ru-ink-2);
    font-size: 14px;
    font-weight: 600;
    white-space: nowrap;
    transition: color var(--ru-t2), background-color var(--ru-t2), box-shadow var(--ru-t2);
}
.ru-nav__icon { width: 16px; height: 16px; flex: none; color: var(--ru-ink-3); transition: color var(--ru-t2); }
.ru-nav__icon--own { display: inline-grid; place-items: center; font-size: 15px; line-height: 1; }
.ru-nav__icon--own svg { width: 16px; height: 16px; }
.ru-nav__link:hover { color: var(--ru-ink); background: var(--ru-mana-soft); }
.ru-nav__link:hover .ru-nav__icon { color: var(--ru-ink-2); }
.ru-nav__link.is-on { color: var(--ru-ink); background: var(--pc-chip); box-shadow: 0 0 0 1px var(--ru-line), 0 2px 6px -2px rgba(30, 22, 8, .18); }
:root[data-theme="dark"] .ru-nav__link.is-on { box-shadow: 0 0 0 1px var(--ru-line-2), 0 2px 8px -2px rgba(0, 0, 0, .6); }
.ru-nav__link.is-on .ru-nav__icon { color: var(--ru-mana-text); }
.ru-tools { position: relative; display: flex; align-items: center; gap: 2px; justify-self: end; padding: 4px; border-radius: var(--ru-r-pill); }
/* 工具列的胶囊底画在 ::before：里面有语言 / 外观弹层，胶囊本身做 backdrop-filter 的话弹层就模糊不到页面 */
.ru-tools::before {
    content: "";
    position: absolute;
    inset: 0;
    z-index: -1;
    border: 1px solid var(--pc-glass-edge);
    border-radius: inherit;
    background: var(--pc-glass);
    box-shadow: var(--pc-glass-shine), var(--pc-glass-drop);
    pointer-events: none;
}
.ru-searchpill {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    height: 32px;
    margin-right: 2px;
    padding: 0 5px 0 11px;
    border: 0;
    border-radius: var(--ru-r-pill);
    background: var(--pc-chip);
    box-shadow: inset 0 0 0 1px var(--ru-line);
    color: var(--ru-ink-3);
    font-size: 13.5px;
    cursor: pointer;
    transition: box-shadow var(--ru-t2), color var(--ru-t2);
}
.ru-searchpill:hover { box-shadow: inset 0 0 0 1px var(--ru-ink-4); color: var(--ru-ink-2); }
.ru-searchpill .ru-i { width: 16px; height: 16px; }
.ru-kbd {
    display: inline-grid;
    place-items: center;
    height: 22px;
    padding: 0 7px;
    border: 1px solid var(--ru-line);
    border-radius: var(--ru-r-pill);
    background: var(--pc-kbd);
    color: var(--ru-ink-3);
    font: 600 11px/1 var(--ru-font-sans);
}
.ru-iconbtn {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    min-width: 32px;
    height: 32px;
    padding: 0 8px;
    border: 0;
    border-radius: var(--ru-r-pill);
    background: transparent;
    color: var(--ru-ink-2);
    cursor: pointer;
    transition: background-color var(--ru-t2), color var(--ru-t2);
}
.ru-iconbtn:hover, .ru-pop.is-open > .ru-iconbtn { background: var(--ru-mana-soft); color: var(--ru-ink); }
.ru-iconbtn .ru-i { width: 18px; height: 18px; }
.ru-iconbtn--text span { font-size: 13px; font-weight: 700; }
.ru-iconbtn__dot { position: absolute; top: 5px; right: 6px; width: 8px; height: 8px; border-radius: 50%; background: var(--ru-fire); box-shadow: 0 0 0 2px var(--ru-bg); }
.ru-skyicon { display: grid; place-items: center; }
.ru-skyicon .ru-i { display: none; }
:root[data-ru-mode="light"] .ru-skyicon__light,
:root[data-ru-mode="dark"] .ru-skyicon__dark,
:root[data-ru-mode="auto"] .ru-skyicon__auto { display: block; }
.ru-userpill {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    max-width: 180px;
    height: 32px;
    margin-left: 2px;
    padding: 0 12px 0 3px;
    border-radius: var(--ru-r-pill);
    background: var(--pc-chip);
    box-shadow: inset 0 0 0 1px var(--ru-line);
    color: var(--ru-ink);
    font-size: 13.5px;
    font-weight: 600;
    transition: box-shadow var(--ru-t2);
}
.ru-userpill:hover { box-shadow: inset 0 0 0 1px var(--ru-ink-4); }
.ru-userpill img { width: 26px; height: 26px; flex: none; border-radius: 50%; object-fit: cover; }
.ru-top__login { min-height: 32px; margin-left: 2px; padding: 0 16px; }

/* ---------------------------------------------------------------- 弹层（语言 / 外观） */
.ru-pop { position: relative; }
.ru-pop__panel {
    position: absolute;
    top: calc(100% + 12px);
    right: 0;
    z-index: var(--ru-z-pop);
    display: none;
    min-width: 232px;
    padding: 10px;
    border: 1px solid var(--pc-glass-edge);
    border-radius: 20px;
    background: var(--pc-pop);
    box-shadow: var(--pc-glass-shine), var(--pc-panel-shadow);
    transform-origin: top right;
}
.ru-pop.is-open .ru-pop__panel { display: block; animation: ru-pop-in 220ms var(--ru-ease-out) both; }
@keyframes ru-pop-in {
    from { opacity: 0; transform: translateY(-6px) scale(.98); }
    to { opacity: 1; transform: none; }
}
.ru-pop__head { padding: 6px 8px 10px; color: var(--ru-ink-3); font-size: 12.5px; font-weight: 700; letter-spacing: .06em; }
.ru-pop__head:not(:first-child) { margin-top: 6px; }
.ru-pop__item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px;
    border-radius: 12px;
    color: var(--ru-ink-2);
    font-size: 14px;
    transition: background-color var(--ru-t1), color var(--ru-t1);
}
.ru-pop__item:hover { background: var(--pc-hover); color: var(--ru-ink); }
.ru-pop__item.is-on { color: var(--ru-mana-text); font-weight: 600; }
.ru-pop__badge {
    display: inline-grid;
    place-items: center;
    min-width: 30px;
    height: 24px;
    padding: 0 6px;
    border-radius: 8px;
    background: var(--pc-kbd);
    color: var(--ru-ink-3);
    font: 700 11px/1 var(--ru-font-sans);
}
.ru-pop__item.is-on .ru-pop__badge { background: var(--ru-mana); color: var(--ru-mana-on); }
.ru-pop__text { flex: 1; }
.ru-pop__check { color: var(--ru-mana-text); }
.ru-pop__panel--look { width: 344px; }
.ru-look__modes { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 6px; padding: 0 2px 6px; }
.ru-look__modes button {
    display: grid;
    justify-items: center;
    gap: 7px;
    padding: 14px 4px 12px;
    border: 1px solid var(--ru-line);
    border-radius: 14px;
    background: var(--pc-chip);
    color: var(--ru-ink-2);
    font-size: 12.5px;
    font-weight: 600;
    cursor: pointer;
    transition: border-color var(--ru-t2), background-color var(--ru-t2), color var(--ru-t2);
}
.ru-look__modes button:hover { border-color: var(--ru-line-2); color: var(--ru-ink); }
.ru-look__modes .ru-i { width: 22px; height: 22px; }
:root[data-ru-mode="light"] .ru-look__modes [data-ru-mode-set="light"],
:root[data-ru-mode="dark"] .ru-look__modes [data-ru-mode-set="dark"],
:root[data-ru-mode="auto"] .ru-look__modes [data-ru-mode-set="auto"] { border-color: var(--ru-mana); background: var(--ru-mana-soft); color: var(--ru-mana-text); }
.ru-look__swatches { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 4px; padding: 0 2px 2px; }
.ru-look__swatches button {
    display: grid;
    justify-items: center;
    gap: 8px;
    padding: 12px 2px 10px;
    border: 1px solid transparent;
    border-radius: 14px;
    background: none;
    color: var(--ru-ink-3);
    font-size: 12px;
    cursor: pointer;
    transition: background-color var(--ru-t2), color var(--ru-t2);
}
.ru-look__swatches button:hover { background: var(--pc-hover); color: var(--ru-ink); }
.ru-look__swatches i { width: 30px; height: 30px; border-radius: 50%; background: linear-gradient(140deg, var(--sw), var(--sw2)); box-shadow: inset 0 1px 0 rgba(255, 255, 255, .3); transition: box-shadow var(--ru-t2); }
:root[data-ru-persona="rudeus"] .ru-look__swatches [data-ru-persona-set="rudeus"],
:root[data-ru-persona="roxy"] .ru-look__swatches [data-ru-persona-set="roxy"],
:root[data-ru-persona="eris"] .ru-look__swatches [data-ru-persona-set="eris"],
:root[data-ru-persona="sylphy"] .ru-look__swatches [data-ru-persona-set="sylphy"] { color: var(--ru-ink); font-weight: 700; }
:root[data-ru-persona="rudeus"] .ru-look__swatches [data-ru-persona-set="rudeus"] i,
:root[data-ru-persona="roxy"] .ru-look__swatches [data-ru-persona-set="roxy"] i,
:root[data-ru-persona="eris"] .ru-look__swatches [data-ru-persona-set="eris"] i,
:root[data-ru-persona="sylphy"] .ru-look__swatches [data-ru-persona-set="sylphy"] i { box-shadow: 0 0 0 3px var(--ru-paper), 0 0 0 5px var(--sw); }

/* ---------------------------------------------------------------- 世界：整页固定的背景画（只做氛围，不挡商品） */
.ru-world { position: fixed; inset: 0; z-index: 0; pointer-events: none; }
.ru-world > .ru-scene { position: absolute; inset: 0; animation: ru-drift 60s var(--ru-ease-io) infinite alternate; }
.ru-world .ru-scene__paint { inset: -3%; background-position: center 42%; }
.ru-world .ru-scene__shade, .ru-world .ru-scene__veil { display: none; }
@keyframes ru-drift {
    from { transform: scale(1.02); }
    to { transform: scale(1.07); }
}
/* 顶部让画露出来，往下渐渐沉进纸色：货架两侧留着一点景，不抢商品 */
.ru-world__veil {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(var(--hero-veil), .1) 0%, rgba(var(--hero-veil), .16) 20%, rgba(var(--hero-veil), .38) 50%, rgba(var(--hero-veil), .56) 100%);
}
:root[data-ru-fx="lite"] .ru-world > .ru-scene, :root[data-ru-tier="low"] .ru-world > .ru-scene { animation: none; }

/* ---------------------------------------------------------------- 景色带：店名 / 目录名 + 公告 */
.ru-storefront { position: relative; z-index: 1; }
.ru-lead {
    position: relative;
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 32px;
    min-height: 0;
    padding: calc(var(--ru-top-h) + 22px) 0 20px;
}
.ru-lead__text { position: relative; display: grid; gap: 6px; min-width: 0; }
/* 字的后面垫一团和纸色相同的柔光：背景画哪里都可能是树叶或云，字不能被画吃掉 */
.ru-lead__text::before {
    content: "";
    position: absolute;
    inset: -26px -60px -24px -40px;
    z-index: -1;
    background: radial-gradient(closest-side, rgba(var(--hero-veil), .62), rgba(var(--hero-veil), .3) 62%, rgba(var(--hero-veil), 0));
    pointer-events: none;
}
.ru-lead__title {
    margin: 0;
    color: var(--ru-ink);
    font: 900 clamp(26px, 2.3vw, 34px)/1.2 var(--ru-font-serif);
    letter-spacing: .05em;
    text-shadow: 0 2px 22px rgba(var(--hero-veil), .95), 0 0 2px rgba(var(--hero-veil), .7);
}
:root[data-theme="dark"] .ru-lead__title { color: #F8F1E1; text-shadow: 0 4px 30px rgba(8, 10, 28, .9), 0 0 60px rgba(var(--ru-mana-rgb), .35); }
.ru-lead__title [data-ch] { display: inline-block; animation: ru-ch 900ms var(--ru-ease-out) both; animation-delay: calc(80ms + var(--i, 0) * 45ms); }
@keyframes ru-ch {
    from { opacity: 0; transform: translateY(.3em); filter: blur(8px); }
    to { opacity: 1; transform: none; filter: none; }
}
.ru-lead__sub { margin: 0; color: var(--ru-ink-2); font-size: 13.5px; font-weight: 500; line-height: 1.6; text-shadow: 0 0 2px rgba(var(--hero-veil), .9), 0 1px 14px rgba(var(--hero-veil), .95); }
.ru-lead .ru-crumb { text-shadow: 0 1px 12px rgba(var(--hero-veil), .95); }
.ru-lead__notice {
    display: grid;
    flex: none;
    gap: 5px;
    width: min(400px, 38%);
    padding: 11px 14px;
    border: 1px solid var(--ru-line-2);
    border-radius: 16px;
    background: rgba(var(--hero-card), .82);
    box-shadow: 0 18px 40px -24px rgba(10, 8, 30, .55);
    color: var(--ru-ink-2);
    text-align: left;
    cursor: pointer;
    transition: background-color var(--ru-t2), border-color var(--ru-t2), transform var(--ru-t3) var(--ru-ease-out);
}
.ru-lead__notice:hover { border-color: var(--ru-ink-4); background: rgba(var(--hero-card), .96); transform: translateY(-2px); }
.ru-lead__notice-head { display: flex; align-items: center; gap: 7px; color: var(--ru-ink); font-size: 13px; }
.ru-lead__notice-head .ru-i { width: 16px; height: 16px; color: var(--ru-mana-text); }
.ru-lead__notice-head span { display: inline-flex; align-items: center; gap: 2px; margin-left: auto; color: var(--ru-ink-3); font-size: 12px; }
.ru-lead__notice-head span .ru-i { width: 14px; height: 14px; color: inherit; }
.ru-lead__notice-text { display: -webkit-box; overflow: hidden; font-size: 12.5px; line-height: 1.55; -webkit-box-orient: vertical; -webkit-line-clamp: 2; }
.ru-lead__art { position: absolute; right: 0; bottom: -28px; z-index: -1; height: 200px; max-width: 34%; object-fit: contain; object-position: right bottom; filter: drop-shadow(0 18px 30px rgba(10, 8, 30, .35)); pointer-events: none; }
.ru-lead.has-art .ru-lead__notice { margin-right: 30%; }

/* 面包屑 */
.ru-crumb { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; color: var(--ru-ink-3); font-size: 12.5px; }
.ru-crumb a:hover { color: var(--ru-ink); }
.ru-crumb__sep { color: var(--ru-ink-4); }
.ru-crumb__here { max-width: 36em; color: var(--ru-ink-2); }

/* ---------------------------------------------------------------- 货架板：左栏分类 + 右侧商品 */
.ru-board {
    position: relative;
    display: grid;
    grid-template-columns: var(--pc-side-w) minmax(0, 1fr);
    align-items: start;
    border: 1px solid var(--ru-line);
    border-radius: 22px;
    /* 左栏的底色与分隔线画在货架板自己的背景上：左栏是黏性的、只有内容那么高，边框画在它身上会半路断掉 */
    background:
        linear-gradient(var(--ru-line), var(--ru-line)) var(--pc-side-w) 0 / 1px 100% no-repeat,
        linear-gradient(90deg, var(--pc-side-tint) var(--pc-side-w), transparent var(--pc-side-w)),
        var(--pc-sheet);
    box-shadow: 0 2px 6px rgba(30, 22, 8, .05), 0 30px 70px -44px rgba(30, 22, 8, .5);
    scroll-margin-top: calc(var(--ru-top-h) + 16px);
}
:root[data-theme="dark"] .ru-board { box-shadow: 0 2px 6px rgba(0, 0, 0, .3), 0 40px 90px -46px rgba(0, 0, 0, .85); }
.ru-side {
    position: sticky;
    top: calc(var(--ru-top-h) + 12px);
    min-width: 0;
    max-height: calc(100vh - var(--ru-top-h) - 24px);
    overflow-x: hidden;
    overflow-y: auto;
    padding: 16px 10px 18px 12px;
    scrollbar-width: thin;
}
.ru-side__title { padding: 2px 10px 8px; color: var(--ru-ink-3); font-size: 11.5px; font-weight: 700; letter-spacing: .08em; }
.ru-side__list { display: grid; grid-template-columns: minmax(0, 1fr); gap: 1px; }
.ru-side__item {
    display: flex;
    align-items: center;
    gap: 10px;
    min-height: 36px;
    padding: 4px 8px;
    border-radius: 10px;
    color: var(--ru-ink-2);
    font-size: 13.5px;
    font-weight: 600;
    transition: background-color var(--ru-t2), color var(--ru-t2);
}
.ru-side__item:hover { background: var(--ru-paper); color: var(--ru-ink); }
.ru-side__item.is-on { background: var(--ru-mana-soft); color: var(--ru-mana-text); }
.ru-side__icon {
    display: grid;
    place-items: center;
    flex: none;
    width: 26px;
    height: 26px;
    overflow: hidden;
    border-radius: 8px;
    background: var(--ru-paper-2);
    color: var(--ru-ink-3);
    font: 800 12px/1 var(--ru-font-serif);
}
.ru-side__icon img { width: 100%; height: 100%; object-fit: cover; }
.ru-side__icon .ru-i { width: 15px; height: 15px; }
.ru-side__item.is-on .ru-side__icon { background: var(--ru-mana); color: var(--ru-mana-on); }
.ru-side__item.is-on .ru-side__icon .ru-i { --ru-gem: currentColor; }
.ru-side__name { flex: 1; min-width: 0; overflow: hidden; white-space: nowrap; text-overflow: ellipsis; }
.ru-side__count {
    flex: none;
    min-width: 20px;
    padding: 1px 7px;
    border-radius: var(--ru-r-pill);
    background: var(--ru-paper-2);
    color: var(--ru-ink-3);
    font: 600 11px/1.4 var(--ru-font-num);
    text-align: center;
}
.ru-side__item.is-on .ru-side__count { background: var(--ru-paper); }
.ru-side__sub {
    position: relative;
    display: flex;
    align-items: center;
    gap: 8px;
    min-height: 30px;
    padding: 3px 8px 3px 44px;
    border-radius: 9px;
    color: var(--ru-ink-3);
    font-size: 12.5px;
    transition: background-color var(--ru-t2), color var(--ru-t2);
}
.ru-side__sub::before { content: ""; position: absolute; left: 20px; top: -1px; bottom: -1px; width: 1px; background: var(--ru-line-2); }
.ru-side__sub:hover { background: var(--ru-paper); color: var(--ru-ink); }
.ru-side__sub.is-on { background: var(--ru-mana-soft); color: var(--ru-mana-text); font-weight: 600; }
.ru-side__sub.is-on::before { left: 19px; width: 3px; border-radius: 3px; background: var(--ru-mana); }
.ru-shelf { min-width: 0; padding: 20px 24px 32px; }
.ru-shelf__head { display: flex; align-items: center; justify-content: space-between; gap: 16px; margin-bottom: 18px; }
.ru-shelf__title { display: flex; align-items: baseline; gap: 10px; min-width: 0; }
.ru-shelf__parent { display: inline-flex; align-items: baseline; gap: 8px; flex: none; color: var(--ru-ink-3); font-size: 13.5px; font-weight: 600; }
.ru-shelf__parent a { transition: color var(--ru-t2); }
.ru-shelf__parent a:hover { color: var(--ru-mana-text); }
.ru-shelf__parent i { color: var(--ru-ink-4); font-style: normal; }
.ru-shelf__title h2 { margin: 0; color: var(--ru-ink); font: 800 20px/1.3 var(--ru-font-serif); letter-spacing: .04em; }
.ru-shelf__count { color: var(--ru-ink-3); font-size: 12.5px; white-space: nowrap; }
.ru-shelf__tools { display: flex; flex: none; align-items: center; gap: 10px; }
.ru-filter {
    display: flex;
    align-items: center;
    gap: 7px;
    width: 220px;
    height: 36px;
    padding: 0 12px;
    border: 1px solid var(--ru-line-2);
    border-radius: var(--ru-r-pill);
    background: var(--pc-chip);
    color: var(--ru-ink-3);
    transition: border-color var(--ru-t2), box-shadow var(--ru-t2);
}
.ru-filter:focus-within { border-color: var(--ru-mana); box-shadow: 0 0 0 4px var(--ru-mana-soft); }
.ru-filter .ru-i { width: 16px; height: 16px; flex: none; }
.ru--pc .ru-seg { background: var(--pc-chip); }
.ru-filter input { flex: 1; min-width: 0; border: 0; background: transparent; color: var(--ru-ink); font-size: 13.5px; outline: none; }
.ru-filter input::-webkit-search-cancel-button { -webkit-appearance: none; }
.ru--pc .ru-seg { padding: 3px; border-radius: var(--ru-r-pill); }
.ru--pc .ru-seg__btn { width: 34px; height: 30px; border-radius: var(--ru-r-pill); }

.ru-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 26px 16px; }
/* 货架一排 6 张（主人定的：图小一点、一屏多看几件）；窗口变窄时按卡宽约 150px 起跳换列数（见文件末的断点） */
.ru-board .ru-grid:not(.is-list) { grid-template-columns: repeat(6, minmax(0, 1fr)); }
.ru-grid > .ru-grid__state, .ru-grid > .ru-empty { grid-column: 1 / -1; }

/* ---------------------------------------------------------------- 商品卡：以图为主 */
.ru-card { position: relative; display: flex; flex-direction: column; gap: 10px; min-width: 0; color: var(--ru-ink); }
.ru-card__cover {
    position: relative;
    aspect-ratio: 1;
    overflow: hidden;
    border-radius: 16px;
    background: var(--ru-paper-2);
    box-shadow: var(--pc-card-shadow);
    transition: box-shadow var(--ru-t4) var(--ru-ease-out), transform var(--ru-t4) var(--ru-ease-out);
}
.ru-card:hover .ru-card__cover { box-shadow: var(--pc-card-shadow-hi); transform: translateY(-3px); }
.ru-card__cover img { display: block; width: 100%; height: 100%; object-fit: cover; transition: transform 1s var(--ru-ease-out), filter var(--ru-t3); }
.ru-card:hover .ru-card__cover img { transform: scale(1.06); }
.ru-card__art {
    position: absolute;
    inset: 0;
    display: grid;
    place-items: center;
    background: radial-gradient(circle at 50% 42%, var(--ru-mana-soft-2), transparent 64%), linear-gradient(160deg, var(--ru-paper-2), var(--ru-paper-3));
}
.ru-card__art b { color: var(--ru-mana-text); font: 900 38px/1 var(--ru-font-serif); opacity: .8; }
.ru-card__seals { position: absolute; left: 10px; top: 10px; right: 10px; z-index: 2; display: flex; flex-wrap: wrap; gap: 5px; pointer-events: none; }
.ru-card__seals .ru-tag { height: 19px; padding: 0 7px 0 6px; gap: 5px; background: var(--ru-paper-a); font-size: 10.5px; }
.ru-card__seals .ru-tag::before { width: 5px; height: 5px; }
.ru-card__void { position: absolute; inset: 0; z-index: 2; display: grid; place-items: center; background: rgba(15, 12, 8, .26); }
.ru-card__void span { display: grid; place-items: center; height: 30px; padding: 0 14px; border-radius: var(--ru-r-pill); background: rgba(20, 16, 12, .8); color: #FFFFFF; font-size: 12px; font-weight: 700; letter-spacing: .08em; }
.ru-card.is-void .ru-card__cover img, .ru-card.is-void .ru-card__art { filter: grayscale(.9); }
.ru-card__quick {
    position: absolute;
    left: 50%;
    bottom: 12px;
    z-index: 3;
    display: grid;
    place-items: center;
    height: 34px;
    padding: 0 16px;
    border-radius: var(--ru-r-pill);
    background: var(--ru-paper);
    box-shadow: 0 10px 24px -12px rgba(0, 0, 0, .5);
    color: var(--ru-ink);
    font-size: 13px;
    font-weight: 700;
    white-space: nowrap;
    opacity: 0;
    transform: translate(-50%, 12px);
    transition: opacity var(--ru-t3), transform var(--ru-t4) var(--ru-ease-out);
}
.ru-card:hover .ru-card__quick { opacity: 1; transform: translate(-50%, 0); }
.ru-card.is-void .ru-card__quick { display: none; }
/* 名字多高就多高；库存与价格压在卡底 —— 同一排里有两行名字时才会让出空位，单行名字不再空一大块 */
.ru-card__body { display: flex; flex: 1; flex-direction: column; gap: 7px; padding: 0 2px; }
.ru-card__name { display: -webkit-box; margin: 0; overflow: hidden; color: var(--ru-ink); font-size: 14px; font-weight: 600; line-height: 1.45; -webkit-box-orient: vertical; -webkit-line-clamp: 2; transition: color var(--ru-t2); }
.ru-card__meta { margin-top: auto; }
.ru-card:hover .ru-card__name { color: var(--ru-mana-text); }
.ru-card__meta { display: flex; flex-wrap: wrap; align-items: center; gap: 3px 10px; color: var(--ru-ink-3); font-size: 12px; }
.ru-card__meta b { color: var(--ru-ink-2); font-weight: 600; }
.ru-card__stock.is-low b { color: var(--ru-fire); }
.ru-card__way { color: var(--ru-earth); font-weight: 600; }
/* 会员价提示的行高压到 1：基线对齐时小字的下沉部分会把这一行撑高 3px，同一排的价格就对不齐了 */
.ru-card__foot { display: flex; align-items: baseline; gap: 8px; min-width: 0; }
.ru-card__foot > .ru-price { flex: none; font-size: 18px; }
.ru-card__member { display: inline-flex; align-items: baseline; gap: 3px; min-width: 0; overflow: hidden; color: var(--ru-ink-3); font-size: 11.5px; line-height: 1; white-space: nowrap; }
.ru-card__member .ru-price { color: var(--ru-gilt-text); font-size: 12px; }
.ru-card__go, .ru-card__shine, .ru-card__frame { display: none; }
.ru-card--skel { pointer-events: none; }
.ru-card--skel .ru-card__cover { box-shadow: none; }
.ru-card--skel .ru-card__body { gap: 0; }

/* 列表陈列：账簿式紧凑行 */
.ru-grid.is-list {
    grid-template-columns: minmax(0, 1fr);
    gap: 0;
    overflow: hidden;
    border: 1px solid var(--ru-line);
    border-radius: 18px;
    background: var(--pc-card);
    box-shadow: var(--pc-card-shadow);
}
.ru-grid.is-list > .ru-grid__state, .ru-grid.is-list > .ru-empty { border: 0; box-shadow: none; }
.ru-board .ru-grid.is-list { border-radius: 16px; box-shadow: none; }
.ru-grid.is-list .ru-card { flex-direction: row; align-items: center; gap: 14px; padding: 10px 16px 10px 10px; transition: background-color var(--ru-t2); }
.ru-grid.is-list .ru-card + .ru-card { box-shadow: inset 0 1px 0 var(--ru-line); }
.ru-grid.is-list .ru-card:hover { background: var(--ru-mana-soft); }
.ru-grid.is-list .ru-card__cover { flex: none; width: 60px; height: 60px; border-radius: 12px; box-shadow: none; transform: none !important; }
.ru-grid.is-list .ru-card:hover .ru-card__cover img { transform: scale(1.05); }
.ru-grid.is-list .ru-card__art b { font-size: 22px; }
.ru-grid.is-list .ru-card__void { background: rgba(20, 16, 12, .2); }
.ru-grid.is-list .ru-card__void span { height: 24px; padding: 0 8px; font-size: 10.5px; letter-spacing: .04em; }
.ru-grid.is-list .ru-card__quick { display: none; }
.ru-grid.is-list .ru-card__body {
    display: grid;
    flex: 1;
    grid-template-columns: auto minmax(0, 1fr) auto;
    grid-template-areas: "name name foot" "seals meta foot";
    align-items: center;
    gap: 7px 0;
    min-width: 0;
    padding: 0;
}
.ru-grid.is-list .ru-card__name { grid-area: name; min-height: 0; font-size: 14.5px; -webkit-line-clamp: 1; }
.ru-grid.is-list .ru-card__seals { grid-area: seals; position: static; flex-wrap: nowrap; margin-right: 14px; }
.ru-grid.is-list .ru-card__seals:empty { display: none; }
.ru-grid.is-list .ru-card__seals .ru-tag { height: 20px; font-size: 11px; background: var(--pc-kbd); }
.ru-grid.is-list .ru-card__meta { grid-area: meta; flex-wrap: nowrap; gap: 14px; margin-top: 0; }
.ru-grid.is-list .ru-card__foot { grid-area: foot; flex-wrap: nowrap; align-items: center; gap: 18px; margin: 0; padding: 0 0 0 16px; }
.ru-grid.is-list .ru-card__foot > .ru-price { font-size: 20px; }
.ru-grid.is-list .ru-card__member { order: -1; }
.ru-grid.is-list .ru-card__go {
    display: grid;
    place-items: center;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--pc-kbd);
    color: var(--ru-ink-3);
    transition: background-color var(--ru-t2), color var(--ru-t2);
}
.ru-grid.is-list .ru-card:hover .ru-card__go { background: var(--ru-mana); color: var(--ru-mana-on); }
.ru-grid.is-list .ru-card--skel .ru-card__body { display: flex; flex-direction: column; gap: 0; }

.ru--pc .ru-more { margin-top: 36px; }
.ru-more__btn { min-width: 160px; }

/* ---------------------------------------------------------------- 页脚 */
.ru-foot { position: relative; z-index: 1; margin-top: 60px; padding: 48px 0 30px; overflow: hidden; border-top: 1px solid var(--ru-line); background: var(--ru-bg); color: var(--ru-ink-2); }
/* 首页 / 分类页：背景画一路垫到页尾，页脚上缘淡进画里，不切一条硬边 */
.ru-storefront + .ru-foot { margin-top: 20px; padding-top: 110px; border-top: 0; background: linear-gradient(180deg, rgba(var(--hero-veil), 0), var(--ru-bg) 120px); }
.ru-foot__map {
    position: absolute;
    right: max(0px, (100% - var(--ru-page)) / 2 - 60px);
    top: 50%;
    width: min(62%, 860px);
    height: auto;
    max-width: none;
    translate: 0 -46%;
    opacity: .3;
    pointer-events: none;
    -webkit-mask-image: radial-gradient(closest-side, #000 46%, transparent);
    mask-image: radial-gradient(closest-side, #000 46%, transparent);
}
:root[data-theme="dark"] .ru-foot__map { filter: invert(1) saturate(.55); opacity: .42; }
/* 站长换成自己的装饰图时不反相（反相只为地图线稿） */
:root[data-theme="dark"] .ru-foot__map--custom { filter: none; }
.ru-foot__inner { position: relative; }
.ru-foot__grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr; gap: 44px; }
.ru-foot__id { display: flex; align-items: center; gap: 10px; }
.ru-foot__id img { width: 34px; height: 34px; border-radius: 10px; object-fit: cover; box-shadow: 0 0 0 1px var(--ru-line-2); }
.ru-foot__id b { color: var(--ru-ink); font: 800 17px/1.3 var(--ru-font-serif); letter-spacing: .05em; }
.ru-foot__desc { max-width: 30em; margin: 12px 0 0; color: var(--ru-ink-3); font-size: 13px; line-height: 1.8; }
.ru-foot__col { display: flex; flex-direction: column; align-items: flex-start; gap: 10px; }
.ru-foot__title { margin-top: 4px; color: var(--ru-ink); font-size: 12px; font-weight: 700; letter-spacing: .08em; }
.ru-foot__title:not(:first-child) { margin-top: 12px; }
.ru-foot__col > a { color: var(--ru-ink-3); font-size: 13px; transition: color var(--ru-t2); }
.ru-foot__col > a:hover { color: var(--ru-ink); }
.ru-foot__modes { display: inline-flex; padding: 3px; border: 1px solid var(--ru-line); border-radius: var(--ru-r-pill); background: var(--pc-well); }
.ru-foot__modes button { height: 28px; padding: 0 12px; border: 0; border-radius: var(--ru-r-pill); background: none; color: var(--ru-ink-3); font-size: 12px; font-weight: 600; cursor: pointer; }
:root[data-ru-mode="light"] .ru-foot__modes [data-ru-mode-set="light"],
:root[data-ru-mode="dark"] .ru-foot__modes [data-ru-mode-set="dark"],
:root[data-ru-mode="auto"] .ru-foot__modes [data-ru-mode-set="auto"] { background: var(--pc-chip); box-shadow: var(--ru-shadow-1); color: var(--ru-ink); }
.ru-foot__langs { display: flex; flex-wrap: wrap; gap: 6px 14px; font-size: 13px; }
.ru-foot__langs a { color: var(--ru-ink-3); }
.ru-foot__langs a:hover { color: var(--ru-ink); }
.ru-foot__langs a.is-on { color: var(--ru-mana-text); font-weight: 600; }
.ru-foot__base { display: flex; justify-content: space-between; gap: 16px; margin-top: 44px; padding-top: 18px; border-top: 1px solid var(--ru-line); color: var(--ru-ink-4); font-size: 12px; }

/* ---------------------------------------------------------------- 搜索面板（⌘K） */
.ru-palette { position: fixed; inset: 0; z-index: var(--ru-z-modal); display: grid; justify-items: center; align-items: start; padding-top: 12vh; }
.ru-palette__scrim { position: absolute; inset: 0; background: var(--ru-scrim); animation: ru-fade 220ms var(--ru-ease-out) both; }
@keyframes ru-fade { from { opacity: 0; } }
.ru-palette__box {
    position: relative;
    width: min(92vw, 600px);
    overflow: hidden;
    border: 1px solid var(--ru-line-2);
    border-radius: 20px;
    background: var(--ru-paper);
    box-shadow: var(--pc-panel-shadow);
    animation: ru-rise 280ms var(--ru-ease-out) both;
}
@keyframes ru-rise { from { opacity: 0; transform: translateY(10px) scale(.985); } }
.ru-palette__field { display: flex; align-items: center; gap: 10px; padding: 14px 18px; border-bottom: 1px solid var(--ru-line); color: var(--ru-ink-3); }
.ru-palette__field .ru-i { width: 19px; height: 19px; }
.ru-palette__input { flex: 1; min-width: 0; border: 0; background: transparent; color: var(--ru-ink); font: 500 17px/1.3 var(--ru-font-sans); outline: none; }
.ru-palette__input::placeholder { color: var(--ru-ink-4); }
.ru-palette__input::-webkit-search-cancel-button { display: none; }
.ru-palette__list { max-height: min(52vh, 460px); overflow: auto; padding: 8px; }
.ru-palette__item { display: flex; align-items: center; gap: 10px; padding: 7px 10px; border-radius: 12px; color: var(--ru-ink); }
.ru-palette__item.is-on { background: var(--ru-mana-soft); }
.ru-palette__thumb { width: 40px; height: 40px; flex: none; border-radius: 10px; object-fit: cover; background: var(--ru-paper-2); }
.ru-palette__thumb--art { display: grid; place-items: center; color: var(--ru-mana-text); font: 800 18px/1 var(--ru-font-serif); }
.ru-palette__name { flex: 1; min-width: 0; font-size: 14px; font-weight: 600; }
.ru-palette__cat { display: block; color: var(--ru-ink-3); font-size: 12px; font-weight: 400; }
.ru-palette__item .ru-price { font-size: 16px; }
.ru-palette__hint { padding: 28px 16px; color: var(--ru-ink-3); font-size: 13.5px; text-align: center; }
.ru-palette__foot { display: flex; align-items: center; gap: 16px; padding: 10px 20px; border-top: 1px solid var(--ru-line); color: var(--ru-ink-3); font-size: 12px; }
.ru-palette__foot .ru-kbd { margin-right: 3px; }

/* ---------------------------------------------------------------- 对话框（公告 / 购买成功 / 订单密码 / 自选卡密） */
.ru-modal { position: fixed; inset: 0; z-index: var(--ru-z-modal); display: grid; place-items: center; padding: 24px; }
.ru-modal__scrim { position: absolute; inset: 0; background: var(--ru-scrim); animation: ru-fade 240ms var(--ru-ease-out) both; }
.ru-modal__box {
    position: relative;
    display: flex;
    flex-direction: column;
    width: min(100%, 520px);
    max-height: min(86vh, 760px);
    overflow: hidden;
    border: 1px solid var(--ru-line-2);
    border-radius: 22px;
    background: var(--ru-paper);
    box-shadow: var(--pc-panel-shadow);
    animation: ru-rise 300ms var(--ru-ease-out) both;
}
.ru-modal__box--wide { width: min(100%, 680px); }
.ru-modal__corner { display: none; }
.ru-modal__head { display: flex; align-items: center; gap: 9px; padding: 18px 18px 12px 22px; color: var(--ru-ink); }
.ru-modal__head > .ru-i { width: 20px; height: 20px; color: var(--ru-mana-text); }
.ru-modal__head h2 { margin: 0; font-size: 17px; font-weight: 800; letter-spacing: .03em; }
.ru-modal__head .ru-cap { display: none; }
.ru-modal__x { display: grid; place-items: center; width: 32px; height: 32px; margin-left: auto; border: 0; border-radius: 50%; background: var(--ru-paper-2); color: var(--ru-ink-3); cursor: pointer; }
.ru-modal__x:hover { color: var(--ru-ink); }
.ru-modal__body { flex: 1; min-height: 0; overflow: auto; padding: 4px 22px 18px; }
.ru-modal__foot { display: flex; justify-content: flex-end; gap: 10px; padding: 12px 20px 18px; border-top: 1px solid var(--ru-line); }
.ru-modal--contract .ru-modal__foot { justify-content: center; }

/* ---------------------------------------------------------------- 商品页
   跟首页、会员中心同一套：整页固定的背景画（.ru-world）+ 顶上一行面包屑 + 一块纸面板（最宽 1160，大屏不撑满）。
   纸面板里左图右购买，下方同一块板里是详情。字级与会员中心同尺度：名称 22px、价格 32px、选项 36px、购买钮 44px。 */
.ru-product { position: relative; z-index: 1; padding-top: calc(var(--ru-top-h) + 16px); }
.ru-product__wrap { position: relative; width: min(100% - var(--ru-gutter) * 2, 1160px); margin-inline: auto; }
.ru-product .ru-crumb { margin: 0 4px 12px; color: var(--ru-ink-2); font-weight: 600; text-shadow: 0 0 2px rgba(var(--hero-veil), .9), 0 1px 12px rgba(var(--hero-veil), .95); }
.ru-product .ru-crumb a:hover { color: var(--ru-mana-text); }
.ru-product__sheet {
    border: 1px solid var(--ru-line);
    border-radius: 22px;
    background: var(--pc-sheet);
    box-shadow: 0 2px 6px rgba(30, 22, 8, .05), 0 30px 70px -44px rgba(30, 22, 8, .5);
}
:root[data-theme="dark"] .ru-product__sheet { box-shadow: 0 2px 6px rgba(0, 0, 0, .3), 0 30px 70px -40px rgba(0, 0, 0, .85); }
.ru-product__grid { display: grid; grid-template-columns: minmax(0, 440px) minmax(0, 1fr); align-items: start; gap: 32px; padding: 24px 28px 24px 24px; }

/* 左：大图 + 服务承诺 */
.ru-product__gallery { position: sticky; top: calc(var(--ru-top-h) + 16px); display: grid; gap: 12px; }
.ru-product__media {
    position: relative;
    margin: 0;
    aspect-ratio: 1;
    overflow: hidden;
    border-radius: 16px;
    background: var(--ru-paper-2);
    box-shadow: 0 0 0 1px var(--ru-line);
}
.ru-product__img { display: block; width: 100%; height: 100%; object-fit: cover; }
.ru-product__media.is-void .ru-product__img, .ru-product__media.is-void .ru-product__art { filter: grayscale(.85); }
.ru-product__art { display: grid; place-items: center; width: 100%; height: 100%; background: radial-gradient(circle at 50% 42%, var(--ru-mana-soft-2), transparent 62%), linear-gradient(160deg, var(--ru-paper-2), var(--ru-paper-3)); }
.ru-product__art b { color: var(--ru-mana-text); font: 900 110px/1 var(--ru-font-serif); opacity: .75; }
.ru-product__void { position: absolute; left: 50%; top: 50%; z-index: 2; display: grid; place-items: center; height: 36px; padding: 0 18px; border-radius: var(--ru-r-pill); background: rgba(20, 16, 12, .82); color: #FFFFFF; font-size: 13px; font-weight: 700; letter-spacing: .1em; transform: translate(-50%, -50%); }
.ru-plate__lens {
    position: absolute;
    left: 0;
    top: 0;
    z-index: 3;
    width: 150px;
    height: 150px;
    border-radius: 50%;
    background-repeat: no-repeat;
    box-shadow: 0 0 0 3px rgba(255, 255, 255, .9), 0 18px 40px rgba(0, 0, 0, .35);
    pointer-events: none;
}
.ru-product__assure { display: flex; flex-wrap: wrap; justify-content: center; gap: 4px 16px; margin: 0; padding: 0; list-style: none; color: var(--ru-ink-3); font-size: 12px; }
.ru-product__assure li { display: inline-flex; align-items: center; gap: 5px; }
.ru-product__assure .ru-i { width: 14px; height: 14px; }
.ru-product__assure-btn { display: inline-flex; align-items: center; gap: 5px; padding: 4px 8px; border: 0; border-radius: var(--ru-r-pill); background: none; color: inherit; font: inherit; cursor: pointer; }
.ru-product__assure-btn:hover { background: var(--ru-paper-2); color: var(--ru-ink); }

/* 右：购买（直接铺在纸面板上，不再套第二层卡片） */
.ru-product__panel { display: flex; flex-direction: column; gap: 14px; min-width: 0; }
.ru-product .ru-tags .ru-tag { height: 20px; padding: 0 8px 0 7px; font-size: 11px; }
.ru-product__panel > .ru-tags { margin-bottom: -6px; }
.ru-product__name { margin: 0; color: var(--ru-ink); font: 800 22px/1.35 var(--ru-font-serif); letter-spacing: .02em; text-wrap: balance; }
.ru-product__meta { display: flex; flex-wrap: wrap; gap: 4px 16px; margin-top: -6px; color: var(--ru-ink-3); font-size: 12.5px; }
.ru-product__meta b { color: var(--ru-ink-2); font-weight: 600; }
.ru-product__price { display: flex; flex-wrap: wrap; align-items: baseline; gap: 4px 14px; padding: 12px 16px; border-radius: 14px; background: var(--pc-sheet-2); }
.ru-product__price .ru-price--xl { font-size: 32px; }
.ru-product__member { color: var(--ru-gilt-text); font-size: 12.5px; font-weight: 600; }
.ru-product__member:hover { text-decoration: underline; text-underline-offset: 3px; }
.ru-product .ru-seckill { padding: 8px 12px; border-radius: 12px; font-size: 13px; }
.ru-product .ru-ladder { padding: 12px 14px; border-radius: 14px; border-style: solid; border-color: var(--ru-line); }
.ru-product .ru-ladder__table { grid-template-columns: repeat(auto-fill, minmax(96px, 1fr)); gap: 6px; }
.ru-product .ru-ladder__cell { padding: 7px 9px; }
.ru-product .ru-ladder__cell b { font-size: 15px; }
.ru-product .ru-buy { gap: 14px; }
.ru-product .ru-buy__row { gap: 7px; }
.ru-product .ru-buy__label { color: var(--ru-ink); font-size: 13px; font-weight: 700; letter-spacing: .02em; }
.ru-product .ru-buy__label .ru-cap { display: none; }
.ru-product .ru-opts { gap: 8px; }
.ru-product .ru-opt { min-height: 36px; padding: 6px 12px; border-radius: 10px; font-size: 13.5px; }
.ru-product .ru-stepper { height: 36px; border-radius: 10px; }
.ru-product .ru-stepper__btn { width: 36px; }
.ru-product .ru-stepper__input { width: 56px; font-size: 15px; }
.ru-product .ru-input, .ru-product .ru-textarea, .ru-product .ru-select { min-height: 38px; padding: 7px 12px; border-radius: 10px; font-size: 14px; }
.ru-product .ru-captcha__img { height: 38px; border-radius: 10px; }
.ru-product .ru-pays { gap: 7px; }
.ru-product .ru-pays__list { grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); gap: 8px; }
.ru-product .ru-pay { min-height: 44px; padding: 6px 12px 6px 8px; border-radius: 12px; font-size: 13.5px; }
.ru-product .ru-pay__icon { width: 28px; height: 28px; }
.ru-product .ru-pay__icon img { width: 24px; height: 24px; }
.ru-product .ru-gatehint { margin: 0; }
/* 合计与购买钮黏在视窗底部：栏位多的商品在笔电上一屏放不下，按钮不能掉到折线下面 */
.ru-buybar {
    position: sticky;
    bottom: -1px;
    z-index: 2;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    margin: 2px -12px 0;
    padding: 14px 12px;
    border-top: 1px solid var(--ru-line);
    background: transparent;
}
/* 黏住时下面有内容捲过：垫纸色 + 一道向上的软阴影（Pc.js 用 IntersectionObserver 加 .is-stuck） */
.ru-buybar.is-stuck { border-radius: 12px 12px 0 0; background: var(--ru-paper); box-shadow: 0 -12px 18px -14px rgba(30, 22, 8, .35); }
:root[data-theme="dark"] .ru-buybar.is-stuck { box-shadow: 0 -12px 18px -14px rgba(0, 0, 0, .8); }
.ru-buybar__total { display: grid; gap: 2px; color: var(--ru-ink-3); font-size: 12px; }
.ru-buybar__total .ru-price--lg { font-size: 22px; }
.ru-buybar__go { min-width: 180px; min-height: 44px; font-size: 15px; }
.ru-product .ru-buybar__go.ru-btn--xl { min-height: 44px; padding: 0 26px; font-size: 15px; letter-spacing: .06em; }

/* 下方：详情 / 购买须知（同一块纸面板，一条分隔线隔开） */
.ru-product__detail { border-top: 1px solid var(--ru-line); }
.ru-product__tabs { display: flex; gap: 22px; padding: 0 24px; border-bottom: 1px solid var(--ru-line); }
.ru-product__tab { position: relative; padding: 14px 2px; border: 0; background: none; color: var(--ru-ink-3); font-size: 14px; font-weight: 700; cursor: pointer; transition: color var(--ru-t2); }
.ru-product__tab:hover, .ru-product__tab.is-on { color: var(--ru-ink); }
.ru-product__tab.is-on::after { content: ""; position: absolute; left: 0; right: 0; bottom: -1px; height: 2px; border-radius: 2px 2px 0 0; background: var(--ru-mana); }
.ru-product__pane { padding: 20px 24px 26px; font-size: 14px; line-height: 1.8; }
.ru-product__pane img { height: auto; border-radius: 10px; }
.ru-product__empty { margin: 0; color: var(--ru-ink-3); }
/* 背景画一路垫到页尾：页脚上缘淡进画里，跟首页一样（中间隔着 item_var 的 <script>，用 ~ 不用 +） */
.ru-product ~ .ru-foot { margin-top: 20px; padding-top: 110px; border-top: 0; background: linear-gradient(180deg, rgba(var(--hero-veil), 0), var(--ru-bg) 120px); }

/* ---------------------------------------------------------------- 订单查询
   跟商品页同一套：整页固定的背景画（.ru-world）+ 面包屑 + 一块半透明纸面板（最宽 880），查询表单与结果都在板里。 */
.ru-ledger { position: relative; z-index: 1; padding-top: calc(var(--ru-top-h) + 16px); }
.ru-ledger__wrap { width: min(100% - var(--ru-gutter) * 2, 880px); margin-inline: auto; }
.ru-ledger .ru-crumb { margin: 0 4px 12px; color: var(--ru-ink-2); font-weight: 600; text-shadow: 0 0 2px rgba(var(--hero-veil), .9), 0 1px 12px rgba(var(--hero-veil), .95); }
.ru-ledger .ru-crumb a:hover { color: var(--ru-mana-text); }
.ru-ledger__sheet {
    padding: 24px 28px 20px;
    border: 1px solid var(--ru-line);
    border-radius: 22px;
    background: var(--pc-sheet);
    box-shadow: 0 2px 6px rgba(30, 22, 8, .05), 0 30px 70px -44px rgba(30, 22, 8, .5);
}
:root[data-theme="dark"] .ru-ledger__sheet { box-shadow: 0 2px 6px rgba(0, 0, 0, .3), 0 30px 70px -40px rgba(0, 0, 0, .85); }
.ru-ledger__head { display: grid; gap: 4px; margin-bottom: 16px; }
.ru-ledger__head .ru-cap { color: var(--ru-gilt-text); font-size: 10px; }
.ru-ledger__title { margin: 0; color: var(--ru-ink); font: 800 22px/1.3 var(--ru-font-serif); letter-spacing: .06em; }
.ru-ledger__sub { margin: 0; color: var(--ru-ink-3); font-size: 13px; }
.ru-ledger__form { display: flex; flex-wrap: wrap; gap: 10px; width: 100%; }
.ru-ledger__form > :not(.ru-ledger__field):not(.ru-btn) { flex-basis: 100%; }
.ru-ledger__field {
    display: flex;
    flex: 1;
    align-items: center;
    gap: 8px;
    min-width: 0;
    height: 44px;
    padding: 0 16px;
    border: 1px solid var(--ru-line-2);
    border-radius: var(--ru-r-pill);
    background: var(--ru-paper);
    transition: border-color var(--ru-t2), box-shadow var(--ru-t2);
}
.ru-ledger__field:focus-within { border-color: var(--ru-mana); box-shadow: 0 0 0 4px var(--ru-mana-soft); }
.ru-ledger__field .ru-i { width: 17px; height: 17px; color: var(--ru-ink-3); }
.ru-ledger__field input { flex: 1; min-width: 0; border: 0; background: transparent; color: var(--ru-ink); font-size: 15px; outline: none; }
.ru-ledger__field input::-webkit-search-cancel-button { -webkit-appearance: none; }
.ru-ledger__form .ru-btn { min-height: 44px; padding: 0 22px; font-size: 14px; }
.ru-ledger__recent { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; margin-top: 12px; }
.ru-ledger__list { display: grid; gap: 10px; margin-top: 18px; }
.ru-ledger__list:empty { display: none; }
.ru-ledger .ru-more { margin-top: 14px; }
.ru-ledger .ru-more:not(:has(.ru-more__end:not([hidden]))) { margin-top: 0; }
.ru--pc .ru-entry { grid-template-columns: 52px minmax(0, 1fr) auto; gap: 14px; padding: 12px 16px 12px 14px; border-radius: 16px; background: var(--pc-card); }
.ru--pc .ru-entry__cover { width: 52px; height: 52px; border-radius: 10px; }
.ru--pc .ru-entry__name { font-size: 14.5px; }
.ru--pc .ru-entry__side .ru-price { font-size: 17px; }
.ru-ledger ~ .ru-foot { margin-top: 20px; padding-top: 110px; border-top: 0; background: linear-gradient(180deg, rgba(var(--hero-veil), 0), var(--ru-bg) 120px); }

/* ---------------------------------------------------------------- 店铺维护中 */
.ru-closed { position: relative; display: grid; place-items: center; min-height: 100vh; overflow: hidden; }
.ru-closed .ru-scene { position: fixed; }
.ru-closed__inner { position: relative; z-index: 1; display: grid; justify-items: center; gap: 26px; padding: 40px 20px 60px; }

/* ---------------------------------------------------------------- 窄窗口与 iPad（桌面 UA） */
@media (max-width: 1360px) {
    .ru-board .ru-grid:not(.is-list) { grid-template-columns: repeat(5, minmax(0, 1fr)); }
}
@media (max-width: 1240px) {
    .ru-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px 14px; }
    .ru-board .ru-grid:not(.is-list) { grid-template-columns: repeat(4, minmax(0, 1fr)); }
    .ru-searchpill span, .ru-searchpill .ru-kbd { display: none; }
    .ru-searchpill { padding: 0 9px; }
    .ru-lead__art { display: none; }
    .ru-lead.has-art .ru-lead__notice { margin-right: 0; }
    .ru-product__grid { grid-template-columns: minmax(0, 380px) minmax(0, 1fr); gap: 24px; padding: 20px; }
}
@media (max-width: 1000px) {
    .ru-top__bar { grid-template-columns: 1fr auto; }
    .ru-nav { display: none; }
    .ru-lead { flex-direction: column; align-items: stretch; gap: 18px; min-height: 0; }
    .ru-lead__notice { width: auto; }
    /* 窄屏：分类改成货架顶上一排可横滑的胶囊 */
    .ru-board { grid-template-columns: minmax(0, 1fr); background: var(--pc-sheet); }
    .ru-side { position: static; max-height: none; overflow: visible; padding: 16px 18px 0; }
    .ru-side__title { display: none; }
    .ru-side__list {
        display: flex;
        gap: 8px;
        overflow-x: auto;
        padding-bottom: 12px;
        scrollbar-width: none;
        /* 右缘淡出：提示这一排还能往右滑（分隔线画在外面，不跟着淡掉） */
        -webkit-mask-image: linear-gradient(90deg, #000 calc(100% - 36px), transparent);
        mask-image: linear-gradient(90deg, #000 calc(100% - 36px), transparent);
    }
    .ru-side__list::-webkit-scrollbar { display: none; }
    .ru-side::after { content: ""; display: block; height: 1px; background: var(--ru-line); }
    .ru-side__item, .ru-side__sub { flex: none; min-height: 38px; padding: 4px 14px 4px 5px; border: 1px solid var(--ru-line); border-radius: var(--ru-r-pill); }
    .ru-side__sub { padding-left: 14px; }
    .ru-side__sub::before { display: none; }
    .ru-side__icon { width: 28px; height: 28px; border-radius: 50%; }
    .ru-side__count { display: none; }
    .ru-shelf { padding: 18px 16px 30px; }
    .ru-shelf__head { flex-wrap: wrap; }
    /* 左栏收成顶上一排胶囊，货架变宽，列数跟着回升 */
    .ru-board .ru-grid:not(.is-list) { grid-template-columns: repeat(5, minmax(0, 1fr)); }
    .ru-product__grid { grid-template-columns: minmax(0, 1fr); }
    .ru-product__gallery { position: static; max-width: 460px; justify-self: center; width: 100%; }
    .ru-foot__grid { grid-template-columns: 1fr 1fr; }
    .ru-foot__brand { grid-column: 1 / -1; }
}
@media (max-width: 860px) {
    .ru-board .ru-grid:not(.is-list) { grid-template-columns: repeat(4, minmax(0, 1fr)); }
}
@media (max-width: 720px) {
    .ru--pc { --ru-gutter: 16px; }
    .ru-grid, .ru-board .ru-grid:not(.is-list) { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 22px 12px; }
}
@media (max-width: 560px) {
    .ru-grid, .ru-board .ru-grid:not(.is-list) { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .ru-tools .ru-iconbtn--text span { display: none; }
    .ru-filter { width: 100%; }
    .ru-shelf__tools { flex: 1; }
    .ru-buybar { flex-direction: column; align-items: stretch; }
    .ru-buybar__go { min-width: 0; }
}
@media (prefers-reduced-motion: reduce) {
    .ru-world > .ru-scene, .ru-lead__title [data-ch] { animation: none !important; }
}