/* =====================================================================
   P1 模块统一设计系统（科技感 · 满版 · 响应式）
   作用域：body.p1 —— 不影响患者端/管理后台等既有页面
   主题：body[data-accent1] / body[data-accent2] 提供每页主题色
   ===================================================================== */

body.p1 {
    --p1a1: #0f766e;
    --p1a2: #0e7490;
    --p1bg: #f3f7fb;
    background:
        radial-gradient(1200px 500px at 85% -8%, color-mix(in srgb, var(--p1a2) 14%, transparent), transparent 65%),
        radial-gradient(900px 420px at -5% 12%, color-mix(in srgb, var(--p1a1) 12%, transparent), transparent 60%),
        var(--p1bg);
    background-attachment: fixed;
    min-height: 100vh;
}
/* 主题色通过 body 内联 style 注入：style="--p1a1:#ea580c;--p1a2:#f59e0b" */

/* 动态底图画布 */
#p1Bg { position: fixed; inset: 0; z-index: 0; pointer-events: none; }
body.p1 > .container, body.p1 > .navbar, body.p1 > .modal-mask, body.p1 > .toast { position: relative; z-index: 1; }

/* ===== 顶栏 ===== */
body.p1 .container > header {
    display: flex; justify-content: space-between; align-items: center;
    padding: 16px 4px; gap: 12px; flex-wrap: wrap;
}
body.p1 .container > header > div:first-child {
    font-weight: 800; font-size: 1.06rem; letter-spacing: .3px;
    background: linear-gradient(120deg, var(--p1a1), var(--p1a2));
    -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
}

/* ===== 布局容器：满版 ===== */
body.p1 .container { max-width: 1320px; padding: 12px 22px 60px; }

/* ===== 科技感 Hero ===== */
body.p1 .edu-hero {
    position: relative; overflow: hidden;
    background: linear-gradient(128deg, var(--p1a1) 0%, var(--p1a2) 58%, #05203a 130%);
    color: #fff; border-radius: 22px; padding: 34px 38px 30px;
    margin: 18px 0 20px;
    box-shadow: 0 18px 44px color-mix(in srgb, var(--p1a1) 32%, transparent), inset 0 1px 0 rgba(255,255,255,.18);
    animation: p1hero .6s cubic-bezier(.2,.8,.2,1) both;
}
@keyframes p1hero { from { opacity: 0; transform: translateY(14px); } to { opacity: 1; transform: none; } }
/* 网格线底纹 */
body.p1 .edu-hero::before {
    content: ''; position: absolute; inset: 0; pointer-events: none;
    background:
        linear-gradient(rgba(255,255,255,.07) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,.07) 1px, transparent 1px);
    background-size: 34px 34px;
    mask-image: radial-gradient(ellipse 90% 100% at 30% 0%, #000 30%, transparent 78%);
    -webkit-mask-image: radial-gradient(ellipse 90% 100% at 30% 0%, #000 30%, transparent 78%);
}
/* 流光光斑 */
body.p1 .edu-hero::after {
    content: ''; position: absolute; width: 460px; height: 460px; right: -130px; top: -190px;
    border-radius: 50%; pointer-events: none;
    background: radial-gradient(circle, rgba(255,255,255,.22), transparent 62%);
    animation: p1orb 9s ease-in-out infinite alternate;
}
@keyframes p1orb { from { transform: translate(0,0) scale(1); } to { transform: translate(-70px, 42px) scale(1.18); } }
body.p1 .edu-hero h1 {
    margin: 0 0 8px; font-size: 1.85rem; font-weight: 800; letter-spacing: .5px; position: relative;
    text-shadow: 0 2px 18px rgba(0,0,0,.22);
}
body.p1 .edu-hero p { margin: 0; opacity: .92; font-size: .95rem; line-height: 1.7; max-width: 860px; position: relative; }
/* Hero 特性徽章行 */
body.p1 .hero-chips { display: flex; gap: 9px; flex-wrap: wrap; margin-top: 16px; position: relative; }
body.p1 .hero-chips .hchip {
    display: inline-flex; align-items: center; gap: 6px;
    padding: 7px 15px; border-radius: 999px; font-size: .8rem; font-weight: 600;
    background: rgba(255,255,255,.14); border: 1px solid rgba(255,255,255,.28);
    backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px);
    transition: .2s;
}
body.p1 .hero-chips .hchip:hover { background: rgba(255,255,255,.24); transform: translateY(-2px); }

/* ===== 分段标签页（玻璃分段器）===== */
body.p1 .edu-tabs {
    display: inline-flex; gap: 4px; margin: 4px 0 18px; padding: 5px;
    background: rgba(255,255,255,.72); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(255,255,255,.9); border-radius: 14px;
    box-shadow: 0 6px 22px rgba(13,42,80,.08);
    max-width: 100%; overflow-x: auto; scrollbar-width: none;
}
body.p1 .edu-tabs::-webkit-scrollbar { display: none; }
body.p1 .edu-tab {
    padding: 9px 20px; border-radius: 10px; border: none; cursor: pointer;
    font-size: .9rem; font-weight: 600; color: #45586e; white-space: nowrap;
    background: transparent; transition: .18s;
}
body.p1 .edu-tab:hover { color: var(--p1a1); background: color-mix(in srgb, var(--p1a1) 8%, transparent); }
body.p1 .edu-tab.active {
    background: linear-gradient(120deg, var(--p1a1), var(--p1a2)); color: #fff;
    box-shadow: 0 4px 14px color-mix(in srgb, var(--p1a1) 40%, transparent);
}

/* ===== 筛选 chips ===== */
body.p1 .chips, body.p1 .edu-filters { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 16px; align-items: center; }
body.p1 .chip {
    padding: 7px 16px; border-radius: 999px; cursor: pointer; font-size: .85rem; font-weight: 500;
    background: rgba(255,255,255,.78); border: 1px solid #dbe6f1; color: #405468;
    backdrop-filter: blur(6px); transition: .18s;
}
body.p1 .chip:hover { border-color: var(--p1a2); color: var(--p1a1); transform: translateY(-1px); }
body.p1 .chip.active {
    background: linear-gradient(120deg, var(--p1a1), var(--p1a2)); color: #fff; border-color: transparent;
    box-shadow: 0 4px 12px color-mix(in srgb, var(--p1a1) 38%, transparent);
}

/* ===== 满版响应式栅格 ===== */
body.p1 .grid, body.p1 .course-grid {
    display: grid !important;
    grid-template-columns: repeat(auto-fill, minmax(272px, 1fr)) !important;
    gap: 18px; width: 100%;
}

/* ===== 玻璃拟态卡片 ===== */
body.p1 .card, body.p1 .course-card {
    background: rgba(255,255,255,.82); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255,255,255,.95); border-radius: 18px; overflow: hidden;
    box-shadow: 0 8px 26px rgba(13,42,80,.09); padding: 18px;
    transition: transform .22s cubic-bezier(.2,.8,.2,1), box-shadow .22s;
    position: relative;
}
/* 含封面/商品体的卡片改为通栏（无内边距，由内部元素控制） */
body.p1 .card:has(.cover), body.p1 .card:has(> .body) { padding: 0; }
body.p1 .card > .body { padding: 16px 18px; }
body.p1 .card::before, body.p1 .course-card::before {
    content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px;
    background: linear-gradient(90deg, var(--p1a1), var(--p1a2)); opacity: .85;
}
body.p1 .card:hover, body.p1 .course-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 16px 40px color-mix(in srgb, var(--p1a1) 26%, rgba(13,42,80,.18));
}
body.p1 .card > .body, body.p1 .card > div:not(.cover) { padding: 16px 18px; }
body.p1 .card .title { font-weight: 700; font-size: 1.02rem; margin-bottom: 6px; color: #16283c; }
body.p1 .card .cover {
    font-size: 2.8rem; text-align: center; padding: 30px 0;
    background:
        radial-gradient(circle at 30% 20%, color-mix(in srgb, var(--p1a2) 20%, transparent), transparent 60%),
        linear-gradient(135deg, #f6fafd, #eef4fa);
    position: relative; overflow: hidden;
}
body.p1 .card .cover::after {
    content: ''; position: absolute; inset: 0;
    background: linear-gradient(120deg, transparent 30%, rgba(255,255,255,.5) 50%, transparent 70%);
    transform: translateX(-100%); transition: .6s;
}
body.p1 .card:hover .cover::after { transform: translateX(100%); }
body.p1 .card .cat {
    font-size: .72rem; padding: 3px 10px; border-radius: 999px; color: #fff; display: inline-block;
    background: linear-gradient(120deg, var(--p1a1), var(--p1a2));
}
body.p1 .card .price { margin-top: 10px; font-weight: 800; font-size: 1.04rem; color: var(--p1a1); }
body.p1 .card .sales { font-size: .75rem; opacity: .55; margin-top: 2px; }
body.p1 .card .name { font-weight: 700; font-size: 1.08rem; color: #16283c; margin-bottom: 4px; }
body.p1 .card .py { font-size: .8rem; opacity: .5; font-weight: 500; }
body.p1 .card .row { font-size: .86rem; margin: 7px 0; line-height: 1.55; color: #33475c; }
body.p1 .card .row b { color: var(--p1a1); font-weight: 700; }
body.p1 .card .tag {
    display: inline-block; font-size: .72rem; padding: 3px 10px; border-radius: 999px;
    background: color-mix(in srgb, var(--p1a1) 13%, #fff); color: var(--p1a1); font-weight: 600;
}
body.p1 .card .hash { font-family: ui-monospace, monospace; }

/* ===== 课程卡片 ===== */
body.p1 .course-card { display: flex; flex-direction: column; cursor: pointer; }
body.p1 .course-cover {
    height: 138px; display: flex; align-items: center; justify-content: center; font-size: 2.6rem;
    background:
        radial-gradient(circle at 75% 15%, color-mix(in srgb, var(--p1a2) 34%, transparent), transparent 58%),
        linear-gradient(135deg, color-mix(in srgb, var(--p1a1) 88%, #000), var(--p1a2));
    color: #fff; position: relative; overflow: hidden;
}
body.p1 .course-body { padding: 15px 17px; flex: 1; display: flex; flex-direction: column; gap: 8px; }
body.p1 .course-title { font-weight: 700; font-size: 1rem; line-height: 1.45; color: #16283c; }
body.p1 .course-meta { display: flex; gap: 7px; flex-wrap: wrap; font-size: .76rem; color: #64788e; }
body.p1 .tag.paid { background: rgba(245,158,11,.16); color: #b45309; }
body.p1 .course-foot { display: flex; justify-content: space-between; align-items: center; font-size: .82rem; margin-top: auto; padding-top: 4px; }
body.p1 .price-free { color: var(--p1a1); font-weight: 700; }
body.p1 .price-paid { color: #b45309; font-weight: 700; }

/* ===== 面板 / 表单 ===== */
body.p1 .panel {
    background: rgba(255,255,255,.82); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255,255,255,.95); border-radius: 18px; padding: 24px; margin-bottom: 18px;
    box-shadow: 0 8px 26px rgba(13,42,80,.09);
}
body.p1 .panel h3 { color: #16283c; margin-top: 0; font-weight: 700; }
body.p1 .form-row { display: flex; gap: 14px; flex-wrap: wrap; align-items: flex-end; margin-bottom: 14px; }
body.p1 .form-row label { display: block; font-size: .8rem; opacity: .75; margin-bottom: 6px; font-weight: 600; }
body.p1 .edu-search {
    padding: 11px 14px; border-radius: 12px; border: 1px solid #d7e3ef;
    background: rgba(255,255,255,.9); color: #16283c; min-width: 170px; font-size: .9rem;
    transition: .18s; outline: none;
}
body.p1 .edu-search:focus { border-color: var(--p1a2); box-shadow: 0 0 0 3px color-mix(in srgb, var(--p1a2) 18%, transparent); }
body.p1 .ask-bar { display: flex; gap: 10px; margin: 6px 0 20px; flex-wrap: wrap; }
body.p1 .ask-bar .edu-search { flex: 1; min-width: 240px; }

/* ===== 按钮 ===== */
body.p1 .btn {
    padding: 11px 24px; border-radius: 12px; border: none; cursor: pointer;
    font-size: .92rem; font-weight: 700; letter-spacing: .3px; transition: .18s;
}
body.p1 .btn-primary {
    background: linear-gradient(120deg, var(--p1a1), var(--p1a2)); color: #fff;
    box-shadow: 0 6px 18px color-mix(in srgb, var(--p1a1) 42%, transparent);
}
body.p1 .btn-primary:hover { transform: translateY(-2px); filter: brightness(1.08); box-shadow: 0 10px 24px color-mix(in srgb, var(--p1a1) 52%, transparent); }
body.p1 .btn-outline {
    background: rgba(255,255,255,.75); border: 1.5px solid var(--p1a1); color: var(--p1a1);
}
body.p1 .btn-outline:hover { background: color-mix(in srgb, var(--p1a1) 9%, #fff); transform: translateY(-1px); }
body.p1 .card .ask-btn { margin: 12px 0 2px; font-size: .8rem; padding: 8px 16px; }

/* ===== 链状态条 ===== */
body.p1 .chain-bar {
    display: flex; align-items: center; gap: 10px; flex-wrap: wrap;
    background: rgba(255,255,255,.8); backdrop-filter: blur(10px);
    border: 1px solid rgba(255,255,255,.95); border-radius: 14px;
    padding: 11px 18px; margin-bottom: 16px; font-size: .85rem; color: #33475c;
    box-shadow: 0 6px 20px rgba(13,42,80,.08);
}
body.p1 .chain-dot { width: 10px; height: 10px; border-radius: 50%; background: #16a34a; box-shadow: 0 0 0 3px #16a34a22; animation: p1pulse 2s infinite; }
body.p1 .chain-dot.mock { background: #f59e0b; box-shadow: 0 0 0 3px #f59e0b22; }
@keyframes p1pulse { 0%,100% { box-shadow: 0 0 0 3px #16a34a22; } 50% { box-shadow: 0 0 0 7px #16a34a10; } }

/* ===== 回执 / KV ===== */
body.p1 .receipt {
    background: linear-gradient(135deg, color-mix(in srgb, var(--p1a1) 7%, #fff), color-mix(in srgb, var(--p1a2) 7%, #fff));
    border: 1px solid color-mix(in srgb, var(--p1a2) 38%, #fff);
    border-radius: 16px; padding: 20px 22px; margin-top: 16px;
    box-shadow: inset 0 0 0 1px rgba(255,255,255,.6), 0 8px 24px rgba(13,42,80,.08);
}
body.p1 .receipt .hash {
    font-family: ui-monospace, 'Cascadia Mono', monospace; word-break: break-all;
    background: rgba(13,42,80,.06); padding: 9px 12px; border-radius: 9px; font-size: .82rem; color: #0d2a50;
}
body.p1 .kv { display: flex; justify-content: space-between; gap: 12px; padding: 8px 0; border-bottom: 1px dashed #d7e3ef; font-size: .9rem; color: #33475c; }
body.p1 .kv:last-of-type { border-bottom: none; }
body.p1 .badge-ok { color: #16a34a; font-weight: 700; }
body.p1 .explorer { font-size: .78rem; opacity: .7; margin-top: 8px; }
body.p1 .nft-badge {
    font-size: 1.14rem; font-weight: 800; font-family: ui-monospace, monospace;
    background: linear-gradient(120deg, var(--p1a1), var(--p1a2));
    -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
}

/* ===== AI 问答答案 ===== */
body.p1 .answer {
    background: rgba(255,255,255,.88); backdrop-filter: blur(10px);
    border: 1px solid color-mix(in srgb, var(--p1a2) 40%, #fff);
    border-left: 4px solid var(--p1a1);
    border-radius: 16px; padding: 20px 22px; margin: 0 0 20px; line-height: 1.8; color: #22374d;
    box-shadow: 0 8px 26px rgba(13,42,80,.09); animation: p1hero .4s both;
}
body.p1 .answer .ref { font-size: .78rem; opacity: .72; margin-top: 12px; padding-top: 10px; border-top: 1px dashed #d7e3ef; }
body.p1 .answer .badge {
    display: inline-block; font-size: .72rem; padding: 3px 11px; border-radius: 999px;
    background: linear-gradient(120deg, var(--p1a1), var(--p1a2)); color: #fff; margin-bottom: 10px; font-weight: 600;
}

/* ===== 教育中心弹窗内件 ===== */
body.p1 .lesson-item {
    display: flex; align-items: center; gap: 10px; padding: 12px 14px;
    border: 1px solid #e2ecf5; border-radius: 12px; margin-bottom: 8px; font-size: .9rem;
    background: rgba(255,255,255,.7); transition: .15s; cursor: pointer;
}
body.p1 .lesson-item:hover { border-color: var(--p1a2); background: #fff; }
body.p1 .lesson-item.done { opacity: .55; }
body.p1 .progress-bar { height: 10px; background: #e5edf5; border-radius: 6px; overflow: hidden; margin: 10px 0; }
body.p1 .progress-bar > div {
    height: 100%; width: 0; border-radius: 6px;
    background: linear-gradient(90deg, var(--p1a1), var(--p1a2));
    background-size: 200% 100%; animation: p1flow 3s linear infinite; transition: width .4s;
}
@keyframes p1flow { from { background-position: 0 0; } to { background-position: 200% 0; } }
body.p1 .rev-item, body.p1 .disc-item { border-top: 1px solid #e9f0f7; padding: 11px 0; font-size: .86rem; color: #33475c; }
body.p1 .cert-box {
    background: linear-gradient(135deg, #fef9ec, #fdf0d5); color: #78350f;
    border: 1px solid #f5d998; border-radius: 14px; padding: 16px 18px; margin-top: 14px;
    box-shadow: 0 6px 18px rgba(245,158,11,.14);
}
body.p1 .stat-row { display: flex; gap: 14px; flex-wrap: wrap; margin: 16px 0; }
body.p1 .stat {
    background: rgba(255,255,255,.85); border: 1px solid #e2ecf5; border-radius: 14px;
    padding: 14px 20px; min-width: 122px; flex: 1;
    box-shadow: 0 5px 16px rgba(13,42,80,.06);
}
body.p1 .stat b { font-size: 1.5rem; display: block; color: var(--p1a1); font-weight: 800; }

/* ===== 弹窗（遮罩 + 毛玻璃）===== */
body.p1 .modal-mask {
    position: fixed; inset: 0; background: rgba(8,20,38,.55);
    backdrop-filter: blur(7px); -webkit-backdrop-filter: blur(7px);
    display: none; align-items: flex-start; justify-content: center;
    z-index: 1200; padding: 5vh 18px 40px; overflow-y: auto;
}
body.p1 .modal-mask.show { display: flex; }
body.p1 .modal {
    background: rgba(255,255,255,.96); border-radius: 20px; max-width: 780px; width: 100%;
    padding: 28px; box-shadow: 0 30px 80px rgba(4,12,28,.4);
    animation: p1modal .3s cubic-bezier(.2,.9,.3,1.2) both; margin: auto 0;
}
@keyframes p1modal { from { opacity: 0; transform: translateY(26px) scale(.97); } to { opacity: 1; transform: none; } }
body.p1 .modal h2 { margin: 0 0 6px; color: #16283c; }

/* ===== Toast ===== */
body.p1 .toast {
    position: fixed; left: 50%; top: 26px; transform: translateX(-50%);
    background: rgba(13,30,54,.92); color: #fff; padding: 12px 22px; border-radius: 12px;
    z-index: 9999; font-size: .9rem; backdrop-filter: blur(8px);
    box-shadow: 0 10px 34px rgba(4,12,28,.35); animation: p1hero .25s both;
}

/* ===================== 响应式：iPad 横竖屏 ===================== */
@media (max-width: 1024px) {
    body.p1 .container { padding: 10px 16px 50px; }
    body.p1 .edu-hero { padding: 26px 26px 24px; border-radius: 18px; }
    body.p1 .edu-hero h1 { font-size: 1.55rem; }
}
/* ===================== 响应式：手机 ===================== */
@media (max-width: 640px) {
    body.p1 .container { padding: 8px 12px 44px; }
    body.p1 .edu-hero { padding: 20px 18px; border-radius: 16px; margin: 10px 0 14px; }
    body.p1 .edu-hero h1 { font-size: 1.28rem; }
    body.p1 .edu-hero p { font-size: .86rem; }
    body.p1 .hero-chips .hchip { font-size: .72rem; padding: 5px 11px; }
    body.p1 .grid, body.p1 .course-grid {
        grid-template-columns: repeat(auto-fill, minmax(158px, 1fr)) !important; gap: 12px;
    }
    body.p1 .course-cover { height: 104px; font-size: 2rem; }
    body.p1 .edu-tabs { width: 100%; }
    body.p1 .edu-tab { padding: 8px 14px; font-size: .84rem; flex: 1; text-align: center; }
    body.p1 .panel { padding: 17px 15px; }
    body.p1 .modal { padding: 20px 16px; border-radius: 16px; max-width: 100%; }
    body.p1 .modal-mask { padding: 3vh 10px 24px; }
    body.p1 .stat { min-width: 100px; padding: 11px 14px; }
    body.p1 .stat b { font-size: 1.2rem; }
    body.p1 .edu-search { min-width: 130px; }
    body.p1 .ask-bar .edu-search { min-width: 150px; }
    body.p1 .btn { padding: 10px 18px; font-size: .88rem; }
}
/* 超小屏（手机竖屏网格保底 2 列商品卡） */
@media (max-width: 380px) {
    body.p1 .grid { grid-template-columns: repeat(2, 1fr) !important; }
}

/* ===== RTL（阿拉伯语）===== */
body.p1[dir="rtl"] .edu-hero::after { right: auto; left: -130px; }
body.p1[dir="rtl"] .answer { border-left: 1px solid color-mix(in srgb, var(--p1a2) 40%, #fff); border-right: 4px solid var(--p1a1); }
body.p1[dir="rtl"] .modal { direction: rtl; }

/* ===== 减少动效偏好 ===== */
@media (prefers-reduced-motion: reduce) {
    body.p1 *, body.p1 *::before, body.p1 *::after { animation: none !important; transition: none !important; }
}

/* ============================================================
   P1 顶部导航栏（返回首页 + 模块互切 + 语言）
   ============================================================ */
body.p1 .p1-topnav {
    position: sticky; top: 8px; z-index: 60;
    display: flex; align-items: center; gap: 12px; flex-wrap: wrap;
    padding: 10px 16px; margin-bottom: 18px;
    border-radius: 18px;
    background: color-mix(in srgb, var(--p1bg) 78%, transparent);
    backdrop-filter: blur(16px) saturate(1.4);
    -webkit-backdrop-filter: blur(16px) saturate(1.4);
    border: 1px solid color-mix(in srgb, var(--p1a1) 22%, transparent);
    box-shadow: 0 10px 34px rgba(2, 8, 23, .10);
}
body.p1 .pnav-brand {
    font-weight: 800; font-size: 1.02rem; letter-spacing: .3px;
    color: var(--p1a1); text-decoration: none; white-space: nowrap;
    display: inline-flex; align-items: center; gap: 6px;
}
body.p1 .pnav-back {
    display: inline-flex; align-items: center; gap: 6px;
    padding: 7px 15px; border-radius: 999px;
    background: linear-gradient(135deg, var(--p1a1), var(--p1a2));
    color: #fff; font-weight: 700; font-size: .85rem;
    text-decoration: none; white-space: nowrap;
    box-shadow: 0 4px 16px color-mix(in srgb, var(--p1a1) 38%, transparent);
    transition: transform .18s ease, box-shadow .18s ease, filter .18s ease;
}
body.p1 .pnav-back:hover { transform: translateY(-1px); filter: brightness(1.06); box-shadow: 0 8px 22px color-mix(in srgb, var(--p1a1) 46%, transparent); }
body.p1 .pnav-links {
    display: flex; align-items: center; gap: 4px; flex: 1 1 auto;
    justify-content: center; overflow-x: auto; scrollbar-width: none;
    -webkit-overflow-scrolling: touch;
}
body.p1 .pnav-links::-webkit-scrollbar { display: none; }
body.p1 .pnav-links a {
    flex: 0 0 auto; padding: 7px 13px; border-radius: 999px;
    font-size: .86rem; font-weight: 500; text-decoration: none; white-space: nowrap;
    color: inherit; opacity: .75; border: 1px solid transparent;
    transition: opacity .18s, background .18s, border-color .18s, transform .18s;
}
body.p1 .pnav-links a:hover { opacity: 1; transform: translateY(-1px); background: color-mix(in srgb, var(--p1a1) 10%, transparent); }
body.p1 .pnav-links a.active {
    opacity: 1; font-weight: 700; color: var(--p1a1);
    background: color-mix(in srgb, var(--p1a1) 14%, transparent);
    border-color: color-mix(in srgb, var(--p1a1) 32%, transparent);
}
body.p1 .p1-topnav .edu-search,
body.p1 .p1-topnav .lang-select { min-width: auto; margin-inline-start: auto; }
body.p1 .pnav-extra { display: inline-flex; align-items: center; gap: 8px; margin-inline-start: auto; }
body.p1 .pnav-logout {
    background: rgba(2, 8, 23, .06); border: 1px solid color-mix(in srgb, var(--p1a1) 25%, transparent);
    color: var(--p1a1); padding: 7px 14px; border-radius: 999px;
    cursor: pointer; font-size: .85rem; font-weight: 600; white-space: nowrap;
    transition: background .18s;
}
body.p1 .pnav-logout:hover { background: color-mix(in srgb, var(--p1a1) 12%, transparent); }

@media (max-width: 900px) {
    body.p1 .p1-topnav { gap: 8px; padding: 10px 12px; top: 6px; }
    body.p1 .pnav-links { order: 3; flex-basis: 100%; justify-content: flex-start; gap: 6px; padding-bottom: 2px; }
    body.p1 .pnav-links a { padding: 6px 11px; font-size: .82rem; }
    body.p1 .pnav-back { padding: 7px 12px; font-size: .8rem; }
}
@media (max-width: 380px) {
    body.p1 .pnav-brand span.pnav-org { display: none; }
}

/* ===== 刘海安全区（需 viewport-fit=cover 生效） ===== */
@supports (padding: env(safe-area-inset-top)) {
    body.p1 .p1-topnav {
        top: calc(8px + env(safe-area-inset-top));
        padding-left: max(12px, env(safe-area-inset-left));
        padding-right: max(12px, env(safe-area-inset-right));
    }
    body.p1 .p1-topnav .pnav-back { margin-bottom: env(safe-area-inset-bottom); }
}