/* ==========================================================================
   易链学习 · Yilian Learning Theme
   ========================================================================== */

:root {
    --yl-primary: #2563eb;
    --yl-primary-dark: #1d4ed8;
    --yl-primary-deep: #0b1f5c;
    --yl-cyan: #0ea5e9;
    --yl-cyan-light: #7dd3fc;
    --yl-accent: #f97316;
    --yl-accent-soft: #fff1e6;
    --yl-green: #10b981;
    --yl-green-soft: #e8faf3;
    --yl-ink: #0f172a;
    --yl-text: #243247;
    --yl-muted: #64748b;
    --yl-faint: #94a3b8;
    --yl-bg: #f4f7fc;
    --yl-card: #ffffff;
    --yl-border: #e5eaf3;
    --yl-border-strong: #d5ddea;
    --yl-radius-lg: 22px;
    --yl-radius: 16px;
    --yl-radius-sm: 10px;
    --yl-shadow-sm: 0 6px 18px rgba(15, 35, 80, 0.06);
    --yl-shadow: 0 18px 40px rgba(15, 35, 80, 0.1);
    --yl-shadow-blue: 0 20px 45px rgba(37, 99, 235, 0.24);
    --yl-container: 1240px;
    --yl-font: -apple-system, BlinkMacSystemFont, "SF Pro SC", "PingFang SC",
        "HarmonyOS Sans SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
}

*,
*::before,
*::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body.yl-body {
    margin: 0;
    font-family: var(--yl-font);
    font-size: 15px;
    line-height: 1.65;
    color: var(--yl-text);
    background: var(--yl-bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body.yl-body::before {
    content: "";
    position: fixed;
    inset: 0 0 auto;
    height: 420px;
    background:
        radial-gradient(720px 320px at 12% -10%, rgba(37, 99, 235, 0.1), transparent 70%),
        radial-gradient(560px 300px at 88% -18%, rgba(14, 165, 233, 0.1), transparent 72%);
    pointer-events: none;
    z-index: -1;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    color: inherit;
    text-decoration: none;
    transition: color 0.2s ease, background-color 0.2s ease, border-color 0.2s ease,
        box-shadow 0.2s ease, transform 0.2s ease;
}

button,
input,
textarea,
select {
    font: inherit;
}

button {
    cursor: pointer;
}

ul,
ol {
    margin: 0;
    padding: 0;
    list-style: none;
}

h1,
h2,
h3,
h4,
p {
    margin: 0;
}

svg {
    flex: none;
}

::selection {
    background: rgba(37, 99, 235, 0.2);
}

:focus-visible {
    outline: 2px solid var(--yl-primary);
    outline-offset: 3px;
    border-radius: 6px;
}

.screen-reader-text {
    position: absolute !important;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.yl-skip-link {
    position: absolute;
    top: -60px;
    left: 16px;
    z-index: 10000;
    background: var(--yl-primary);
    color: #fff;
    padding: 10px 18px;
    border-radius: 0 0 10px 10px;
    font-weight: 600;
}

.yl-skip-link:focus {
    top: 0;
}

.yl-container {
    width: min(var(--yl-container), calc(100% - 48px));
    margin-inline: auto;
}

.yl-icon {
    display: inline-block;
    vertical-align: -0.16em;
}

.yl-main {
    min-height: 60vh;
    padding-bottom: 24px;
}

/* --------------------------------------------------------------------------
   Buttons, pills, tags
   -------------------------------------------------------------------------- */

.yl-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    height: 42px;
    padding: 0 20px;
    border: 1px solid transparent;
    border-radius: 11px;
    font-size: 14px;
    font-weight: 600;
    line-height: 1;
    white-space: nowrap;
    cursor: pointer;
    transition: transform 0.18s ease, box-shadow 0.2s ease, background 0.2s ease,
        border-color 0.2s ease, color 0.2s ease;
}

.yl-btn:hover {
    transform: translateY(-1px);
}

.yl-btn:active {
    transform: translateY(0);
}

.yl-btn-primary {
    color: #fff;
    background: linear-gradient(135deg, var(--yl-primary) 0%, var(--yl-cyan) 100%);
    box-shadow: 0 8px 20px rgba(37, 99, 235, 0.24);
}

.yl-btn-primary:hover {
    color: #fff;
    box-shadow: 0 12px 26px rgba(37, 99, 235, 0.32);
}

.yl-btn-ghost {
    color: var(--yl-text);
    background: #fff;
    border-color: var(--yl-border-strong);
}

.yl-btn-ghost:hover {
    color: var(--yl-primary);
    border-color: rgba(37, 99, 235, 0.45);
    background: #f8fbff;
}

.yl-btn-light {
    color: var(--yl-primary-dark);
    background: #fff;
    box-shadow: 0 10px 24px rgba(2, 20, 60, 0.18);
}

.yl-btn-light:hover {
    color: var(--yl-primary-dark);
    background: #f2f7ff;
}

.yl-btn-outline-light {
    color: #fff;
    border-color: rgba(255, 255, 255, 0.42);
    background: rgba(255, 255, 255, 0.06);
}

.yl-btn-outline-light:hover {
    color: #fff;
    border-color: #fff;
    background: rgba(255, 255, 255, 0.14);
}

.yl-btn-block {
    width: 100%;
}

.yl-btn-lg {
    height: 50px;
    font-size: 15px;
    border-radius: 12px;
}

.yl-pill {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 12px;
    border-radius: 7px;
    background: linear-gradient(135deg, var(--yl-primary), var(--yl-cyan));
    color: #fff;
    font-size: 12.5px;
    font-weight: 700;
    letter-spacing: 0.02em;
    line-height: 1.5;
}

.yl-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--yl-primary);
    font-size: 12.5px;
    font-weight: 700;
    letter-spacing: 0.04em;
}

.yl-eyebrow-light {
    color: rgba(255, 255, 255, 0.82);
}

.yl-tag {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 3px 9px;
    border-radius: 6px;
    background: #f1f5fb;
    color: var(--yl-muted);
    font-size: 11.5px;
    font-weight: 600;
    line-height: 1.6;
}

.yl-tag-free {
    background: var(--yl-green-soft);
    color: #07845f;
}

.yl-tag-price {
    background: var(--yl-accent-soft);
    color: #c2540a;
}

/* --------------------------------------------------------------------------
   Announcement bar
   -------------------------------------------------------------------------- */

.yl-announce {
    background: linear-gradient(90deg, #0b1f5c 0%, #1e40af 55%, #0369a1 100%);
    color: #fff;
    font-size: 13px;
    position: relative;
    z-index: 120;
}

.yl-announce[hidden] {
    display: none;
}

.yl-announce-inner {
    display: flex;
    align-items: center;
    gap: 12px;
    min-height: 40px;
    padding-block: 6px;
}

.yl-announce-badge {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    flex: none;
    padding: 2px 9px;
    border-radius: 6px;
    background: rgba(255, 255, 255, 0.14);
    border: 1px solid rgba(255, 255, 255, 0.18);
    font-size: 11.5px;
    font-weight: 700;
}

.yl-announce-text {
    color: rgba(255, 255, 255, 0.92);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.yl-announce-text:hover {
    color: #fff;
    text-decoration: underline;
}

.yl-announce-link {
    margin-left: auto;
    display: inline-flex;
    align-items: center;
    gap: 4px;
    flex: none;
    font-weight: 600;
    color: #bae6fd;
}

.yl-announce-link:hover {
    color: #fff;
}

.yl-announce-close {
    flex: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 26px;
    height: 26px;
    border: 0;
    border-radius: 7px;
    color: rgba(255, 255, 255, 0.75);
    background: transparent;
}

.yl-announce-close:hover {
    color: #fff;
    background: rgba(255, 255, 255, 0.14);
}

/* --------------------------------------------------------------------------
   Header
   -------------------------------------------------------------------------- */

.yl-header {
    position: sticky;
    top: 0;
    z-index: 110;
    background: rgba(255, 255, 255, 0.94);
    border-bottom: 1px solid rgba(229, 234, 243, 0.9);
    backdrop-filter: saturate(180%) blur(16px);
    -webkit-backdrop-filter: saturate(180%) blur(16px);
    transition: box-shadow 0.25s ease;
}

.yl-header.is-scrolled {
    box-shadow: 0 10px 30px rgba(15, 35, 80, 0.09);
}

.yl-header-inner {
    display: flex;
    align-items: center;
    gap: 26px;
    min-height: 76px;
}

.yl-brand {
    display: inline-flex;
    align-items: center;
    gap: 11px;
    flex: none;
}

.yl-brand-text {
    display: flex;
    flex-direction: column;
    line-height: 1.1;
}

.yl-brand-text strong {
    font-size: 19px;
    font-weight: 800;
    letter-spacing: 0.01em;
    color: var(--yl-ink);
}

.yl-brand-text small {
    margin-top: 3px;
    font-size: 8.5px;
    font-weight: 700;
    letter-spacing: 0.18em;
    color: var(--yl-faint);
}

.yl-logo-mark {
    filter: drop-shadow(0 6px 12px rgba(37, 99, 235, 0.28));
}

.yl-nav-wrap {
    min-width: 0;
}

.yl-nav {
    display: flex;
    align-items: center;
    gap: 4px;
}

.yl-nav > li > a {
    display: inline-flex;
    align-items: center;
    height: 38px;
    padding: 0 13px;
    border-radius: 9px;
    color: #334155;
    font-size: 14.5px;
    font-weight: 600;
    white-space: nowrap;
}

.yl-nav > li > a:hover,
.yl-nav > li.current-menu-item > a,
.yl-nav > li.current_page_item > a {
    color: var(--yl-primary);
    background: #eef4ff;
}

.yl-header-actions {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-left: auto;
}

.yl-search {
    display: flex;
    align-items: center;
    gap: 8px;
    width: 218px;
    height: 40px;
    padding: 0 6px 0 14px;
    background: #f3f6fb;
    border: 1px solid transparent;
    border-radius: 999px;
    transition: border-color 0.2s ease, background 0.2s ease, box-shadow 0.2s ease;
}

.yl-search:focus-within {
    background: #fff;
    border-color: rgba(37, 99, 235, 0.4);
    box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.1);
}

.yl-search-icon {
    color: var(--yl-faint);
    display: inline-flex;
}

.yl-search input {
    flex: 1;
    min-width: 0;
    height: 100%;
    border: 0;
    outline: 0;
    background: transparent;
    font-size: 13.5px;
    color: var(--yl-ink);
}

.yl-search input::placeholder {
    color: #9aa8bd;
}

.yl-search button {
    flex: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 30px;
    height: 30px;
    border: 0;
    border-radius: 50%;
    background: #fff;
    color: var(--yl-primary);
    box-shadow: 0 2px 8px rgba(15, 35, 80, 0.08);
}

.yl-search button:hover {
    background: var(--yl-primary);
    color: #fff;
}

.yl-login-link {
    height: 40px;
    padding-inline: 15px;
}

.yl-register-link {
    height: 40px;
    padding-inline: 17px;
    border-radius: 10px;
}

.yl-user {
    position: relative;
}

.yl-user-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    height: 42px;
    padding: 0 10px 0 5px;
    border: 1px solid var(--yl-border);
    border-radius: 999px;
    background: #fff;
    color: var(--yl-text);
    font-size: 13.5px;
    font-weight: 600;
}

.yl-avatar {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 31px;
    height: 31px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--yl-primary), var(--yl-cyan));
    color: #fff;
    font-size: 13px;
    font-weight: 700;
}

.yl-user-name {
    max-width: 88px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.yl-user-menu {
    position: absolute;
    top: calc(100% + 10px);
    right: 0;
    min-width: 170px;
    padding: 7px;
    background: #fff;
    border: 1px solid var(--yl-border);
    border-radius: 13px;
    box-shadow: var(--yl-shadow);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-6px);
    transition: opacity 0.18s ease, transform 0.18s ease, visibility 0.18s;
}

.yl-user.is-open .yl-user-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.yl-user-menu a {
    display: flex;
    align-items: center;
    gap: 9px;
    padding: 9px 11px;
    border-radius: 8px;
    font-size: 13.5px;
    color: #3c4a5f;
}

.yl-user-menu a:hover {
    background: #f2f7ff;
    color: var(--yl-primary);
}

.yl-menu-btn {
    display: none;
    align-items: center;
    justify-content: center;
    width: 42px;
    height: 42px;
    border: 1px solid var(--yl-border);
    border-radius: 11px;
    background: #fff;
    color: var(--yl-ink);
}

.yl-mobile-panel {
    display: none;
    padding: 0 24px 22px;
    border-top: 1px solid var(--yl-border);
    background: #fff;
}

.yl-mobile-panel.is-open {
    display: block;
    animation: yl-fade-down 0.22s ease;
}

.yl-mobile-nav {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px;
    padding: 16px 0 14px;
}

.yl-mobile-nav a {
    display: flex;
    align-items: center;
    min-height: 44px;
    padding: 0 14px;
    border-radius: 10px;
    background: #f5f8fd;
    font-size: 14px;
    font-weight: 600;
    color: #334155;
}

.yl-mobile-nav a:hover {
    background: #eaf2ff;
    color: var(--yl-primary);
}

.yl-search-mobile {
    width: 100%;
    height: 46px;
    border-radius: 12px;
}

.yl-mobile-auth {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
    margin-top: 12px;
}

@keyframes yl-fade-down {
    from {
        opacity: 0;
        transform: translateY(-8px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* --------------------------------------------------------------------------
   Hero
   -------------------------------------------------------------------------- */

.yl-home-layout,
.yl-page-layout,
.yl-single-layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 320px;
    gap: 28px;
    align-items: start;
    padding-top: 28px;
}

.yl-sidebar {
    display: grid;
    gap: 20px;
    position: sticky;
    top: 100px;
}

.yl-hero {
    position: relative;
    display: grid;
    grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr);
    align-items: center;
    min-height: 424px;
    padding: 48px 50px;
    overflow: hidden;
    border-radius: var(--yl-radius-lg);
    background:
        radial-gradient(900px 420px at 82% 18%, rgba(56, 189, 248, 0.34), transparent 60%),
        linear-gradient(118deg, #081a4b 0%, #143da6 46%, #0b8fd3 100%);
    color: #fff;
    box-shadow: 0 26px 60px rgba(11, 31, 92, 0.28);
    isolation: isolate;
}

.yl-hero-mesh {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(320px 200px at 8% 100%, rgba(14, 165, 233, 0.28), transparent 70%),
        radial-gradient(260px 180px at 100% 100%, rgba(249, 115, 22, 0.2), transparent 70%);
    pointer-events: none;
}

.yl-hero-dots {
    position: absolute;
    top: 26px;
    right: 28px;
    width: 170px;
    height: 120px;
    background-image: radial-gradient(rgba(255, 255, 255, 0.34) 1.2px, transparent 1.2px);
    background-size: 14px 14px;
    opacity: 0.5;
    mask-image: linear-gradient(135deg, #000, transparent 75%);
    -webkit-mask-image: linear-gradient(135deg, #000, transparent 75%);
    pointer-events: none;
}

.yl-hero-copy {
    position: relative;
    z-index: 2;
    max-width: 590px;
}

.yl-hero-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 5px 12px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.1);
    color: #dbeafe;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.02em;
    backdrop-filter: blur(6px);
}

.yl-hero h1 {
    margin-top: 18px;
    font-size: clamp(32px, 3.5vw, 46px);
    font-weight: 800;
    line-height: 1.18;
    letter-spacing: -0.02em;
    text-shadow: 0 8px 30px rgba(3, 15, 45, 0.24);
}

.yl-hero h1 em {
    position: relative;
    font-style: normal;
    color: #a5f3fc;
}

.yl-hero h1 em::after {
    content: "";
    position: absolute;
    left: 2px;
    right: 2px;
    bottom: 2px;
    height: 8px;
    border-radius: 999px;
    background: rgba(249, 115, 22, 0.55);
    z-index: -1;
}

.yl-hero-copy > p {
    max-width: 500px;
    margin-top: 15px;
    color: rgba(226, 240, 255, 0.82);
    font-size: 15px;
    line-height: 1.8;
}

.yl-hero-search {
    display: flex;
    align-items: center;
    gap: 10px;
    max-width: 540px;
    margin-top: 24px;
    padding: 6px 6px 6px 18px;
    background: #fff;
    border-radius: 15px;
    box-shadow: 0 18px 40px rgba(4, 18, 55, 0.28);
}

.yl-hero-search > span {
    color: #8fa0b8;
    display: inline-flex;
}

.yl-hero-search input {
    flex: 1;
    min-width: 0;
    height: 44px;
    border: 0;
    outline: 0;
    background: transparent;
    font-size: 14.5px;
    color: var(--yl-ink);
}

.yl-hero-search input::placeholder {
    color: #96a5ba;
}

.yl-hero-search button {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    flex: none;
    height: 44px;
    padding: 0 18px;
    border: 0;
    border-radius: 11px;
    background: linear-gradient(135deg, var(--yl-accent), #fb923c);
    color: #fff;
    font-size: 14px;
    font-weight: 700;
    box-shadow: 0 8px 18px rgba(249, 115, 22, 0.32);
}

.yl-hero-search button:hover {
    filter: brightness(1.04);
}

.yl-hero-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 16px;
}

.yl-hero-tags a {
    padding: 4px 11px;
    border: 1px solid rgba(255, 255, 255, 0.16);
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.07);
    color: rgba(235, 245, 255, 0.9);
    font-size: 12px;
    font-weight: 600;
}

.yl-hero-tags a:hover {
    color: #fff;
    border-color: rgba(255, 255, 255, 0.4);
    background: rgba(255, 255, 255, 0.14);
}

.yl-hero-points {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    margin-top: 18px;
    color: rgba(219, 234, 254, 0.8);
    font-size: 12.5px;
}

.yl-hero-points span {
    display: inline-flex;
    align-items: center;
    gap: 5px;
}

.yl-hero-points .yl-icon {
    color: #7dd3fc;
}

.yl-hero-art {
    position: relative;
    height: 330px;
    z-index: 2;
}

.yl-hero-glow {
    position: absolute;
    left: 50%;
    top: 45%;
    width: 300px;
    height: 300px;
    transform: translate(-50%, -50%);
    border-radius: 50%;
    background: radial-gradient(circle, rgba(125, 211, 252, 0.35), transparent 66%);
    filter: blur(4px);
}

.yl-hero-ring {
    position: absolute;
    left: 50%;
    top: 46%;
    border-radius: 50%;
    border: 1px solid rgba(191, 219, 254, 0.24);
    transform: translate(-50%, -50%);
}

.yl-ring-1 {
    width: 260px;
    height: 260px;
}

.yl-ring-2 {
    width: 360px;
    height: 360px;
    border-style: dashed;
    border-color: rgba(191, 219, 254, 0.16);
    animation: yl-spin 38s linear infinite;
}

.yl-hero-core {
    position: absolute;
    left: 50%;
    top: 46%;
    width: 168px;
    height: 168px;
    transform: translate(-50%, -50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 5px;
    border: 1px solid rgba(255, 255, 255, 0.38);
    border-radius: 38px;
    background: linear-gradient(160deg, rgba(255, 255, 255, 0.24), rgba(255, 255, 255, 0.08));
    box-shadow: 0 24px 60px rgba(3, 15, 45, 0.3), inset 0 1px 0 rgba(255, 255, 255, 0.36);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}

.yl-hero-core img {
    width: 58px;
    height: 58px;
    border-radius: 17px;
    box-shadow: 0 10px 22px rgba(3, 15, 45, 0.25);
}

.yl-hero-core strong {
    font-size: 16px;
    font-weight: 800;
    letter-spacing: 0.02em;
}

.yl-hero-core small {
    font-size: 7.5px;
    letter-spacing: 0.16em;
    color: rgba(219, 234, 254, 0.72);
    font-weight: 700;
}

.yl-float {
    position: absolute;
    display: inline-flex;
    align-items: center;
    gap: 7px;
    padding: 8px 13px;
    border: 1px solid rgba(255, 255, 255, 0.24);
    border-radius: 11px;
    background: rgba(8, 27, 75, 0.38);
    color: #eaf4ff;
    font-size: 12.5px;
    font-weight: 600;
    box-shadow: 0 12px 24px rgba(3, 15, 45, 0.2);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    animation: yl-float 5.5s ease-in-out infinite alternate;
}

.yl-float .yl-icon {
    color: #7dd3fc;
}

.yl-float-1 {
    top: 14px;
    left: 0;
}

.yl-float-2 {
    top: 66px;
    right: -4px;
    animation-delay: -1.4s;
}

.yl-float-3 {
    bottom: 84px;
    left: 0;
    animation-delay: -2.6s;
}

.yl-float-4 {
    bottom: 34px;
    right: 6px;
    animation-delay: -3.4s;
}

.yl-hero-stat {
    position: absolute;
    right: -2px;
    bottom: -8px;
    display: flex;
    flex-direction: column;
    padding: 12px 16px;
    border-radius: 13px;
    background: rgba(255, 255, 255, 0.94);
    color: var(--yl-ink);
    box-shadow: 0 16px 34px rgba(3, 15, 45, 0.24);
}

.yl-hero-stat strong {
    font-size: 20px;
    line-height: 1.2;
    font-weight: 800;
    color: var(--yl-primary-dark);
    letter-spacing: -0.01em;
}

.yl-hero-stat span {
    font-size: 11px;
    color: var(--yl-muted);
}

@keyframes yl-float {
    from {
        transform: translateY(0);
    }
    to {
        transform: translateY(-10px);
    }
}

@keyframes yl-spin {
    to {
        transform: translate(-50%, -50%) rotate(360deg);
    }
}

/* --------------------------------------------------------------------------
   Section heads, chips, grid, cards
   -------------------------------------------------------------------------- */

.yl-welcome {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 22px;
    padding: 16px 18px;
    border: 1px solid #b7ebd6;
    border-radius: 14px;
    background: linear-gradient(135deg, #f0fdf8, #e8faf3);
    box-shadow: 0 8px 20px rgba(16, 185, 129, 0.08);
}

.yl-welcome-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex: none;
    width: 42px;
    height: 42px;
    border-radius: 12px;
    background: linear-gradient(135deg, #10b981, #0d9488);
    color: #fff;
    box-shadow: 0 8px 18px rgba(16, 185, 129, 0.24);
}

.yl-welcome-copy {
    flex: 1;
    min-width: 0;
}

.yl-welcome-copy strong {
    color: #065f46;
    font-size: 14px;
    font-weight: 700;
}

.yl-welcome-copy p {
    margin-top: 2px;
    color: #4b7a6b;
    font-size: 12px;
    line-height: 1.65;
}

.yl-welcome .yl-btn {
    height: 36px;
    padding: 0 14px;
    font-size: 12px;
    flex: none;
}

.yl-section {
    margin-top: 30px;
}

.yl-section-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
}

.yl-section-heading {
    display: flex;
    align-items: center;
    gap: 12px;
    min-width: 0;
}

.yl-section-sub {
    color: var(--yl-muted);
    font-size: 12.5px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.yl-section-more {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    flex: none;
    color: var(--yl-muted);
    font-size: 13px;
    font-weight: 600;
}

.yl-section-more:hover {
    color: var(--yl-primary);
}

.yl-chip-row {
    display: flex;
    flex-wrap: wrap;
    gap: 9px;
    margin: 18px 0 20px;
}

.yl-chip {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    height: 34px;
    padding: 0 15px;
    border: 1px solid var(--yl-border);
    border-radius: 999px;
    background: #fff;
    color: #51617a;
    font-size: 13px;
    font-weight: 600;
    box-shadow: 0 2px 6px rgba(15, 35, 80, 0.03);
}

.yl-chip:hover {
    color: var(--yl-primary);
    border-color: rgba(37, 99, 235, 0.36);
    background: #f8fbff;
}

.yl-chip.is-active {
    color: #fff;
    border-color: transparent;
    background: linear-gradient(135deg, var(--yl-primary), var(--yl-cyan));
    box-shadow: 0 6px 16px rgba(37, 99, 235, 0.24);
}

.yl-chip-accent {
    color: #c2540a;
    border-color: #ffd9bd;
    background: #fff8f2;
}

.yl-chip-accent:hover {
    color: #a34708;
    border-color: #fdba74;
    background: #fff1e6;
}

.yl-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 22px;
}

.yl-card {
    display: flex;
    flex-direction: column;
    min-width: 0;
    overflow: hidden;
    border: 1px solid var(--yl-border);
    border-radius: var(--yl-radius);
    background: var(--yl-card);
    box-shadow: 0 3px 12px rgba(15, 35, 80, 0.04);
    transition: transform 0.22s ease, box-shadow 0.22s ease, border-color 0.22s ease;
}

.yl-card:hover {
    transform: translateY(-4px);
    border-color: rgba(37, 99, 235, 0.22);
    box-shadow: 0 20px 40px rgba(15, 35, 80, 0.12);
}

.yl-card-cover {
    position: relative;
    display: block;
    aspect-ratio: 16 / 10;
    overflow: hidden;
    background: #e8eef8;
}

.yl-card-cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}

.yl-card:hover .yl-card-cover img {
    transform: scale(1.045);
}

.yl-card-cover::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(5, 18, 48, 0.16) 0%, transparent 28%, transparent 66%, rgba(5, 18, 48, 0.18) 100%);
    pointer-events: none;
}

.yl-card-cat {
    position: absolute;
    top: 11px;
    left: 11px;
    z-index: 2;
    max-width: calc(100% - 80px);
    padding: 3px 9px;
    border-radius: 6px;
    background: rgba(255, 255, 255, 0.92);
    color: var(--yl-primary-dark);
    font-size: 11px;
    font-weight: 700;
    line-height: 1.6;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    box-shadow: 0 4px 12px rgba(5, 18, 48, 0.16);
    backdrop-filter: blur(4px);
}

.yl-card-type {
    position: absolute;
    top: 11px;
    right: 11px;
    z-index: 2;
    padding: 3px 9px;
    border-radius: 6px;
    color: #fff;
    font-size: 10.5px;
    font-weight: 800;
    letter-spacing: 0.04em;
    line-height: 1.6;
    box-shadow: 0 4px 12px rgba(5, 18, 48, 0.2);
}

.yl-card-type.is-free {
    background: linear-gradient(135deg, #10b981, #0d9488);
}

.yl-card-type.is-paid {
    background: linear-gradient(135deg, #f97316, #ef4444);
}

.yl-card-play {
    position: absolute;
    right: 12px;
    bottom: 12px;
    z-index: 2;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.94);
    color: var(--yl-primary);
    opacity: 0;
    transform: translateY(6px);
    transition: opacity 0.22s ease, transform 0.22s ease;
}

.yl-card:hover .yl-card-play {
    opacity: 1;
    transform: translateY(0);
}

.yl-card-body {
    display: flex;
    flex-direction: column;
    flex: 1;
    padding: 15px 16px 14px;
}

.yl-card-title {
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    min-height: 46px;
    font-size: 15.5px;
    font-weight: 700;
    line-height: 1.5;
    letter-spacing: -0.005em;
    color: #1c2a3f;
}

.yl-card-title a:hover {
    color: var(--yl-primary);
}

.yl-card-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-top: 10px;
}

.yl-card-meta {
    display: flex;
    align-items: center;
    gap: 13px;
    margin-top: auto;
    padding-top: 12px;
    border-top: 1px dashed #edf1f7;
    color: #93a1b5;
    font-size: 11.5px;
}

.yl-card-meta span {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    min-width: 0;
}

.yl-card-meta span:first-child {
    margin-right: auto;
}

.yl-card-meta .yl-icon {
    color: #a5b3c6;
}

/* --------------------------------------------------------------------------
   Sidebar
   -------------------------------------------------------------------------- */

.yl-side-card {
    overflow: hidden;
    border: 1px solid var(--yl-border);
    border-radius: var(--yl-radius);
    background: #fff;
    box-shadow: var(--yl-shadow-sm);
}

.yl-profile-card {
    overflow: visible;
}

.yl-profile-cover {
    position: relative;
    height: 98px;
    border-radius: var(--yl-radius) var(--yl-radius) 0 0;
    background:
        radial-gradient(220px 120px at 88% 10%, rgba(255, 255, 255, 0.28), transparent 60%),
        linear-gradient(120deg, #0b1f5c 0%, #2563eb 58%, #0ea5e9 100%);
    overflow: visible;
}

.yl-profile-grid {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.08) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.08) 1px, transparent 1px);
    background-size: 22px 22px;
    mask-image: linear-gradient(180deg, #000, transparent 92%);
    -webkit-mask-image: linear-gradient(180deg, #000, transparent 92%);
}

.yl-profile-domain {
    position: absolute;
    top: 12px;
    left: 0;
    right: 0;
    text-align: center;
    color: rgba(255, 255, 255, 0.66);
    font-size: 9.5px;
    font-weight: 600;
    letter-spacing: 0.12em;
}

.yl-profile-logo {
    position: absolute;
    left: 50%;
    bottom: -38px;
    width: 76px;
    height: 76px;
    transform: translateX(-50%);
    border: 4px solid #fff;
    border-radius: 24px;
    box-shadow: 0 12px 26px rgba(15, 35, 80, 0.18);
    object-fit: cover;
}

.yl-profile-body {
    padding: 48px 20px 20px;
    text-align: center;
}

.yl-profile-body h2 {
    font-size: 19px;
    font-weight: 800;
    letter-spacing: -0.01em;
    color: var(--yl-ink);
}

.yl-profile-tagline {
    margin-top: 3px;
    color: var(--yl-muted);
    font-size: 12px;
}

.yl-profile-quote,
.yl-profile-hello {
    margin-top: 10px;
    color: #7a899e;
    font-size: 12px;
    line-height: 1.7;
}

.yl-profile-hello {
    color: var(--yl-primary);
    font-weight: 600;
}

.yl-profile-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 6px;
    margin-top: 16px;
    padding: 12px 0;
    border-top: 1px solid #f0f3f9;
    border-bottom: 1px solid #f0f3f9;
}

.yl-profile-stats span {
    display: flex;
    flex-direction: column;
    gap: 1px;
}

.yl-profile-stats strong {
    font-size: 15px;
    font-weight: 800;
    color: var(--yl-ink);
    line-height: 1.35;
}

.yl-profile-stats em {
    font-style: normal;
    font-size: 10.5px;
    color: var(--yl-faint);
}

.yl-profile-actions {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
    margin-top: 16px;
}

.yl-profile-actions .yl-btn {
    height: 38px;
    padding: 0 10px;
    font-size: 12.5px;
    gap: 5px;
}

.yl-campus-card {
    display: flex;
    align-items: flex-start;
    gap: 13px;
    padding: 17px 18px;
    background:
        radial-gradient(180px 120px at 100% 0%, rgba(14, 165, 233, 0.12), transparent 70%),
        linear-gradient(160deg, #f4f9ff, #eef6ff);
    border-color: #dbeafe;
}

.yl-campus-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex: none;
    width: 42px;
    height: 42px;
    border-radius: 12px;
    background: linear-gradient(135deg, var(--yl-primary), var(--yl-cyan));
    color: #fff;
    box-shadow: 0 8px 18px rgba(37, 99, 235, 0.22);
}

.yl-campus-card h3,
.yl-campus-card h2 {
    font-size: 14.5px;
    font-weight: 700;
    color: #14336b;
}

.yl-campus-card p {
    margin-top: 5px;
    color: #5b7292;
    font-size: 12px;
    line-height: 1.7;
}

.yl-campus-card a {
    display: inline-flex;
    align-items: center;
    gap: 3px;
    margin-top: 8px;
    color: var(--yl-primary);
    font-size: 12px;
    font-weight: 700;
}

.yl-side-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
}

.yl-side-head h3,
.yl-side-head h2 {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 14.5px;
    font-weight: 700;
    color: var(--yl-ink);
}

.yl-side-head .yl-icon {
    color: var(--yl-primary);
}

.yl-side-head > a {
    color: var(--yl-faint);
    font-size: 11.5px;
    font-weight: 600;
}

.yl-side-head > a:hover {
    color: var(--yl-primary);
}

.yl-hot-card {
    padding: 17px 18px 12px;
}

.yl-hot-list {
    display: grid;
    gap: 3px;
    margin-top: 11px;
}

.yl-hot-list li {
    display: flex;
    gap: 10px;
    align-items: flex-start;
    padding: 8px 0;
    border-top: 1px dashed #eff3f9;
}

.yl-hot-list li:first-child {
    border-top: 0;
}

.yl-hot-rank {
    flex: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 20px;
    height: 20px;
    margin-top: 1px;
    border-radius: 6px;
    background: #f1f5fb;
    color: #94a3b8;
    font-size: 11px;
    font-weight: 800;
}

.yl-hot-rank.rank-1 {
    background: linear-gradient(135deg, #fb923c, #f97316);
    color: #fff;
}

.yl-hot-rank.rank-2 {
    background: linear-gradient(135deg, #60a5fa, #3b82f6);
    color: #fff;
}

.yl-hot-rank.rank-3 {
    background: linear-gradient(135deg, #22d3ee, #06b6d4);
    color: #fff;
}

.yl-hot-copy {
    min-width: 0;
}

.yl-hot-copy a {
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    color: #37455c;
    font-size: 12.5px;
    font-weight: 600;
    line-height: 1.5;
}

.yl-hot-copy a:hover {
    color: var(--yl-primary);
}

.yl-hot-copy small {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    margin-top: 4px;
    color: #a2afc1;
    font-size: 10.5px;
}

.yl-side-contact {
    padding: 17px 18px 15px;
}

.yl-side-qrs {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
    margin-top: 12px;
}

.yl-side-qrs figure {
    margin: 0;
    padding: 8px 8px 6px;
    border: 1px solid var(--yl-border);
    border-radius: 11px;
    background: #fbfcfe;
    text-align: center;
}

.yl-side-qrs img {
    width: 100%;
    aspect-ratio: 1;
    object-fit: contain;
    border-radius: 7px;
}

.yl-side-qrs figcaption {
    margin-top: 5px;
    color: var(--yl-muted);
    font-size: 10.5px;
    font-weight: 600;
}

.yl-side-contact-list {
    display: grid;
    gap: 7px;
    margin-top: 12px;
    padding-top: 11px;
    border-top: 1px dashed #eff3f9;
}

.yl-side-contact-list li {
    display: flex;
    align-items: center;
    gap: 7px;
    color: #5f6f86;
    font-size: 11.5px;
}

.yl-side-contact-list .yl-icon {
    color: var(--yl-primary);
}

.yl-side-contact-list a:hover {
    color: var(--yl-primary);
}

/* --------------------------------------------------------------------------
   Breadcrumb, archive, pagination, empty
   -------------------------------------------------------------------------- */

.yl-breadcrumb {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 7px;
    margin-bottom: 18px;
    color: #8492a6;
    font-size: 12.5px;
}

.yl-breadcrumb a:hover {
    color: var(--yl-primary);
}

.yl-breadcrumb-sep {
    color: #c3ccda;
}

.yl-breadcrumb .current {
    color: #51617a;
    max-width: 52ch;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.yl-page-layout {
    padding-top: 26px;
}

.yl-archive-head {
    display: flex;
    align-items: center;
    gap: 18px;
    padding: 24px 26px;
    border: 1px solid var(--yl-border);
    border-radius: var(--yl-radius);
    background:
        radial-gradient(420px 180px at 100% 0%, rgba(14, 165, 233, 0.09), transparent 70%),
        #fff;
    box-shadow: var(--yl-shadow-sm);
}

.yl-archive-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex: none;
    width: 58px;
    height: 58px;
    border-radius: 17px;
    background: linear-gradient(135deg, #eaf2ff, #e0f7ff);
    color: var(--yl-primary);
    border: 1px solid #dbeafe;
}

.yl-archive-copy {
    min-width: 0;
    flex: 1;
}

.yl-archive-copy h1 {
    font-size: 25px;
    font-weight: 800;
    letter-spacing: -0.015em;
    color: var(--yl-ink);
    line-height: 1.3;
}

.yl-archive-copy p {
    margin-top: 5px;
    color: var(--yl-muted);
    font-size: 13px;
    line-height: 1.7;
}

.yl-archive-count {
    flex: none;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 8px 15px;
    border: 1px solid #e4ecfa;
    border-radius: 11px;
    background: #f8fbff;
    color: var(--yl-muted);
    font-size: 10.5px;
    line-height: 1.4;
}

.yl-archive-count strong {
    color: var(--yl-primary);
    font-size: 18px;
    font-weight: 800;
}

.yl-search-head .yl-archive-icon {
    color: var(--yl-cyan);
}

.yl-search-page {
    width: 100%;
    height: 50px;
    margin: 18px 0 22px;
    padding-left: 17px;
    border-radius: 13px;
    background: #fff;
    border-color: var(--yl-border);
    box-shadow: var(--yl-shadow-sm);
}

.yl-search-page button {
    width: auto;
    height: 38px;
    padding: 0 18px;
    border-radius: 9px;
    background: var(--yl-primary);
    color: #fff;
    font-size: 13px;
    font-weight: 700;
}

.yl-search-page button:hover {
    background: var(--yl-primary-dark);
    color: #fff;
}

.yl-pagination {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 7px;
    margin-top: 30px;
}

.yl-pagination .page-numbers {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 38px;
    height: 38px;
    padding: 0 12px;
    border: 1px solid var(--yl-border);
    border-radius: 10px;
    background: #fff;
    color: #55657d;
    font-size: 13px;
    font-weight: 600;
    box-shadow: 0 2px 6px rgba(15, 35, 80, 0.03);
}

.yl-pagination .page-numbers:hover {
    color: var(--yl-primary);
    border-color: rgba(37, 99, 235, 0.36);
    background: #f8fbff;
}

.yl-pagination .page-numbers.current {
    color: #fff;
    border-color: transparent;
    background: linear-gradient(135deg, var(--yl-primary), var(--yl-cyan));
    box-shadow: 0 6px 16px rgba(37, 99, 235, 0.24);
}

.yl-pagination .page-numbers.dots {
    border-color: transparent;
    background: transparent;
    box-shadow: none;
}

.yl-empty {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 64px 24px;
    border: 1px dashed var(--yl-border-strong);
    border-radius: var(--yl-radius);
    background: #fff;
    text-align: center;
}

.yl-empty > span {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 68px;
    height: 68px;
    border-radius: 20px;
    background: #eef5ff;
    color: var(--yl-primary);
}

.yl-empty h2 {
    margin-top: 16px;
    font-size: 19px;
    font-weight: 700;
    color: var(--yl-ink);
}

.yl-empty p {
    margin-top: 6px;
    color: var(--yl-muted);
    font-size: 13px;
}

.yl-empty .yl-btn {
    margin-top: 18px;
}

.yl-empty-actions {
    display: flex;
    gap: 10px;
    margin-top: 18px;
}

.yl-empty-actions .yl-btn {
    margin-top: 0;
}

/* --------------------------------------------------------------------------
   Single
   -------------------------------------------------------------------------- */

.yl-single-layout {
    padding-top: 26px;
}

.yl-single-card {
    padding: 32px 38px 30px;
    border: 1px solid var(--yl-border);
    border-radius: var(--yl-radius-lg);
    background: #fff;
    box-shadow: var(--yl-shadow-sm);
}

.yl-single-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 7px;
}

.yl-badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 3px 10px;
    border-radius: 6px;
    font-size: 11.5px;
    font-weight: 700;
    line-height: 1.7;
}

.yl-badge-cat {
    color: var(--yl-primary);
    background: #eef4ff;
}

.yl-badge-vip {
    color: #c2540a;
    background: var(--yl-accent-soft);
}

.yl-badge-free {
    color: #07845f;
    background: var(--yl-green-soft);
}

.yl-single-head h1 {
    margin-top: 13px;
    font-size: clamp(24px, 2.4vw, 32px);
    font-weight: 800;
    line-height: 1.36;
    letter-spacing: -0.015em;
    color: var(--yl-ink);
    overflow-wrap: anywhere;
}

.yl-single-meta {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px 18px;
    margin-top: 15px;
    color: #8493a8;
    font-size: 12px;
}

.yl-single-meta > span {
    display: inline-flex;
    align-items: center;
    gap: 5px;
}

.yl-single-author {
    color: #51617a;
    font-weight: 600;
}

.yl-single-author .yl-avatar {
    width: 25px;
    height: 25px;
    font-size: 11px;
}

.yl-resource-bar {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 12px;
    margin-top: 22px;
    padding: 16px 18px;
    border: 1px solid #e8eef8;
    border-radius: 13px;
    background: linear-gradient(180deg, #f9fbfe, #f5f8fd);
}

.yl-resource-bar > div {
    display: flex;
    flex-direction: column;
    gap: 3px;
    min-width: 0;
}

.yl-resource-label {
    color: #95a3b7;
    font-size: 10.5px;
    letter-spacing: 0.02em;
}

.yl-resource-bar strong {
    color: #26354b;
    font-size: 13px;
    font-weight: 700;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.yl-resource-bar strong.is-green {
    color: #07845f;
}

.yl-resource-link {
    display: inline-flex;
    align-items: center;
    gap: 3px;
    width: fit-content;
    padding-bottom: 1px;
    border-bottom: 1px dashed rgba(37, 99, 235, 0.35);
    color: var(--yl-primary);
    font-size: 13px;
    font-weight: 700;
    text-decoration: none;
}

.yl-resource-link:hover {
    border-bottom-color: var(--yl-primary-dark);
    color: var(--yl-primary-dark);
}

.yl-resource-link svg {
    transition: transform 0.18s ease;
}

.yl-resource-link:hover svg {
    transform: translateX(2px);
}

#yl-download {
    scroll-margin-top: 96px;
}

.yl-content {
    margin-top: 26px;
    color: #2b3a50;
    font-size: 15.5px;
    line-height: 1.95;
    overflow-wrap: anywhere;
}

.yl-content > *:first-child {
    margin-top: 0;
}

.yl-content p {
    margin: 14px 0;
}

.yl-content h2,
.yl-content h3,
.yl-content h4 {
    margin: 30px 0 12px;
    color: var(--yl-ink);
    font-weight: 700;
    line-height: 1.4;
}

.yl-content h2 {
    font-size: 22px;
    padding-left: 12px;
    border-left: 4px solid var(--yl-primary);
}

.yl-content h3 {
    font-size: 18px;
}

.yl-content h4 {
    font-size: 16px;
}

.yl-content a {
    color: var(--yl-primary);
    text-decoration: underline;
    text-underline-offset: 3px;
    text-decoration-thickness: 1px;
    text-decoration-color: rgba(37, 99, 235, 0.35);
}

.yl-content a:hover {
    text-decoration-color: var(--yl-primary);
}

.yl-content img {
    margin: 22px auto;
    border-radius: 12px;
    box-shadow: 0 8px 26px rgba(15, 35, 80, 0.1);
}

.yl-content ul,
.yl-content ol {
    margin: 14px 0;
    padding-left: 24px;
    list-style: revert;
}

.yl-content li {
    margin: 6px 0;
}

.yl-content blockquote {
    margin: 20px 0;
    padding: 14px 20px;
    border-left: 4px solid var(--yl-cyan);
    border-radius: 0 10px 10px 0;
    background: #f4f9ff;
    color: #51617a;
}

.yl-content table {
    width: 100%;
    margin: 20px 0;
    border-collapse: collapse;
    font-size: 14px;
}

.yl-content th,
.yl-content td {
    padding: 10px 12px;
    border: 1px solid var(--yl-border);
    text-align: left;
}

.yl-content th {
    background: #f5f8fd;
    font-weight: 700;
}

.yl-content iframe {
    max-width: 100%;
    border-radius: 12px;
}

.yl-content code {
    padding: 2px 6px;
    border-radius: 5px;
    background: #f1f5fb;
    color: #c2410c;
    font-size: 0.9em;
}

.yl-content pre {
    padding: 16px;
    border-radius: 12px;
    background: #0f172a;
    color: #e2e8f0;
    overflow: auto;
}

.yl-content pre code {
    padding: 0;
    background: transparent;
    color: inherit;
}

.yl-lock-box {
    display: flex;
    align-items: center;
    gap: 16px;
    margin: 22px 0;
    padding: 20px 22px;
    border: 1px dashed #b8d4fb;
    border-radius: 15px;
    background:
        radial-gradient(260px 140px at 100% 0%, rgba(14, 165, 233, 0.12), transparent 70%),
        linear-gradient(160deg, #f6faff, #eef6ff);
}

.yl-lock-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex: none;
    width: 48px;
    height: 48px;
    border-radius: 14px;
    background: linear-gradient(135deg, var(--yl-primary), var(--yl-cyan));
    color: #fff;
    box-shadow: 0 10px 22px rgba(37, 99, 235, 0.24);
}

.yl-lock-copy {
    min-width: 0;
    flex: 1;
}

.yl-lock-copy strong {
    display: block;
    color: #14336b;
    font-size: 15px;
    font-weight: 700;
}

.yl-lock-copy p {
    margin-top: 3px;
    color: #5b7292;
    font-size: 12.5px;
    line-height: 1.65;
}

.yl-lock-actions {
    display: flex;
    gap: 8px;
    flex: none;
}

.yl-lock-actions .yl-btn {
    height: 38px;
    padding: 0 15px;
    font-size: 12.5px;
}

.yl-download-box {
    margin: 22px 0;
    padding: 20px 22px;
    border: 1px solid #dbeafe;
    border-radius: 15px;
    background:
        radial-gradient(280px 160px at 100% 0%, rgba(14, 165, 233, 0.1), transparent 70%),
        #f8fbff;
}

.yl-download-box-static {
    margin-top: 26px;
}

.yl-download-title {
    display: flex;
    align-items: center;
    gap: 8px;
    color: #14336b;
    font-size: 15px;
    font-weight: 700;
}

.yl-download-title .yl-icon {
    color: var(--yl-primary);
}

.yl-download-list {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 9px;
    margin-top: 13px;
}

.yl-download-link {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 11px 14px;
    border: 1px solid #dbeafe;
    border-radius: 10px;
    background: #fff;
    color: #1e40af;
    font-size: 13px;
    font-weight: 600;
    box-shadow: 0 2px 8px rgba(37, 99, 235, 0.05);
}

.yl-download-link .yl-icon {
    color: var(--yl-cyan);
}

.yl-download-link:hover {
    border-color: rgba(37, 99, 235, 0.4);
    background: #eff6ff;
    transform: translateY(-1px);
}

.yl-download-note {
    margin-top: 10px;
    color: #7890ac;
    font-size: 11.5px;
    line-height: 1.7;
}

.yl-hidden-content {
    margin: 20px 0;
    padding: 20px 22px;
    border: 1px solid #e2e8f0;
    border-radius: 14px;
    background: #fbfcfe;
}

.yl-delivery-card {
    display: grid;
    grid-template-columns: auto minmax(0, 1fr) auto;
    align-items: center;
    gap: 16px;
    margin-top: 26px;
    padding: 20px 22px;
    border: 1px solid #cfe6ff;
    border-radius: 16px;
    background:
        radial-gradient(320px 160px at 100% 0%, rgba(14, 165, 233, 0.16), transparent 70%),
        linear-gradient(135deg, #f2f9ff, #eef6ff);
}

.yl-delivery-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex: none;
    width: 52px;
    height: 52px;
    border-radius: 15px;
    background: #fff;
    color: var(--yl-primary);
    box-shadow: 0 10px 24px rgba(37, 99, 235, 0.14);
}

.yl-delivery-copy h2 {
    font-size: 16px;
    font-weight: 700;
    color: #14336b;
}

.yl-delivery-copy p {
    margin-top: 3px;
    color: #5b7292;
    font-size: 12.5px;
    line-height: 1.65;
}

.yl-delivery-copy p strong {
    color: var(--yl-primary-dark);
}

.yl-delivery-action {
    display: flex;
    gap: 8px;
    flex: none;
}

.yl-delivery-action .yl-btn {
    height: 40px;
    padding: 0 16px;
    font-size: 12.5px;
}

.yl-delivery-result {
    grid-column: 1 / -1;
    display: none;
    padding-top: 4px;
}

.yl-delivery-result.is-visible {
    display: block;
}

.yl-delivery-result .yl-result-message {
    font-size: 12.5px;
    color: #3f5673;
    line-height: 1.7;
}

.yl-delivery-result .yl-result-message.is-error {
    color: #b42318;
}

.yl-delivery-result .yl-download-list {
    margin-top: 10px;
}

.yl-single-tags {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px;
    margin-top: 24px;
    padding-top: 20px;
    border-top: 1px dashed #e8eef8;
}

.yl-single-tags > span {
    color: var(--yl-faint);
    font-size: 11.5px;
    font-weight: 600;
}

.yl-single-tags a {
    padding: 3px 9px;
    border-radius: 6px;
    background: #f2f6fc;
    color: #64748b;
    font-size: 11.5px;
}

.yl-single-tags a:hover {
    color: var(--yl-primary);
    background: #eaf2ff;
}

.yl-single-footer {
    margin-top: 24px;
    padding-top: 20px;
    border-top: 1px dashed #e8eef8;
}

.yl-single-share {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    color: #8493a8;
    font-size: 12px;
}

.yl-copy-btn {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    height: 34px;
    padding: 0 12px;
    border: 1px solid var(--yl-border);
    border-radius: 9px;
    background: #fff;
    color: #51617a;
    font-size: 12px;
    font-weight: 600;
}

.yl-copy-btn:hover {
    color: var(--yl-primary);
    border-color: rgba(37, 99, 235, 0.36);
}

.yl-single-nav {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    margin-top: 16px;
}

.yl-single-nav-item {
    display: flex;
    flex-direction: column;
    gap: 4px;
    min-width: 0;
    padding: 12px 15px;
    border: 1px solid var(--yl-border);
    border-radius: 11px;
    background: #fbfcfe;
}

.yl-single-nav-item.is-next {
    text-align: right;
}

.yl-single-nav-item small {
    display: inline-flex;
    align-items: center;
    gap: 3px;
    color: var(--yl-faint);
    font-size: 10.5px;
}

.yl-single-nav-item.is-next small {
    justify-content: flex-end;
}

.yl-single-nav-item span {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    color: #3c4a5f;
    font-size: 12.5px;
    font-weight: 600;
}

.yl-single-nav-item:hover {
    border-color: rgba(37, 99, 235, 0.3);
    background: #f5f9ff;
}

.yl-single-nav-item:hover span {
    color: var(--yl-primary);
}

.yl-related {
    margin-top: 30px;
}

.yl-grid-related {
    margin-top: 18px;
}

/* --------------------------------------------------------------------------
   Page / 404
   -------------------------------------------------------------------------- */

.yl-page-wrap {
    max-width: 900px;
    margin: 0 auto;
}

.yl-page-card {
    padding: 38px 44px 34px;
    border: 1px solid var(--yl-border);
    border-radius: var(--yl-radius-lg);
    background: #fff;
    box-shadow: var(--yl-shadow-sm);
}

.yl-page-head h1 {
    margin-top: 12px;
    font-size: clamp(26px, 2.6vw, 34px);
    font-weight: 800;
    line-height: 1.35;
    letter-spacing: -0.015em;
    color: var(--yl-ink);
}

.yl-page-head > p {
    margin-top: 8px;
    color: var(--yl-muted);
    font-size: 13.5px;
}

.yl-page-card .yl-content {
    margin-top: 24px;
}

.yl-page-help {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    margin-top: 30px;
    padding: 18px 20px;
    border: 1px solid #e4ecfa;
    border-radius: 14px;
    background: #f8fbff;
}

.yl-page-help strong {
    color: var(--yl-ink);
    font-size: 14px;
}

.yl-page-help p {
    margin-top: 2px;
    color: var(--yl-muted);
    font-size: 12px;
}

.yl-page-help-actions {
    display: flex;
    gap: 8px;
    flex: none;
}

.yl-page-help-actions .yl-btn {
    height: 38px;
    padding: 0 15px;
    font-size: 12.5px;
}

.yl-notfound {
    display: flex;
    flex-direction: column;
    align-items: center;
    max-width: 640px;
    margin: 30px auto;
    padding: 64px 28px;
    border: 1px solid var(--yl-border);
    border-radius: var(--yl-radius-lg);
    background:
        radial-gradient(320px 180px at 50% 0%, rgba(14, 165, 233, 0.1), transparent 70%),
        #fff;
    box-shadow: var(--yl-shadow-sm);
    text-align: center;
}

.yl-notfound-code {
    font-size: 78px;
    font-weight: 900;
    line-height: 1;
    letter-spacing: -0.05em;
    background: linear-gradient(135deg, var(--yl-primary), var(--yl-cyan));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.yl-notfound h1 {
    margin-top: 12px;
    font-size: 24px;
    font-weight: 800;
    color: var(--yl-ink);
}

.yl-notfound p {
    margin-top: 8px;
    color: var(--yl-muted);
    font-size: 13px;
}

.yl-notfound .yl-search-page {
    margin-block: 22px;
}

.yl-notfound-actions {
    display: flex;
    gap: 10px;
}

/* --------------------------------------------------------------------------
   Post content shortcodes: contact, steps, notice
   -------------------------------------------------------------------------- */

.yl-contact-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
}

.yl-contact-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 24px 20px;
    border: 1px solid var(--yl-border);
    border-radius: 16px;
    background: #fbfcfe;
    text-align: center;
}

.yl-contact-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    border-radius: 14px;
    background: linear-gradient(135deg, #eaf2ff, #e0f7ff);
    color: var(--yl-primary);
}

.yl-contact-card h3 {
    margin-top: 12px;
    font-size: 15px;
    font-weight: 700;
    color: var(--yl-ink);
}

.yl-contact-value {
    margin-top: 5px;
    color: var(--yl-primary-dark);
    font-size: 16px;
    font-weight: 800;
    letter-spacing: 0.01em;
    overflow-wrap: anywhere;
}

.yl-contact-value a {
    color: inherit;
    text-decoration: none;
}

.yl-contact-desc {
    margin-top: 6px;
    color: var(--yl-muted);
    font-size: 12px;
    line-height: 1.7;
}

.yl-contact-qr {
    width: 200px;
    max-width: 100%;
    margin-top: 14px;
    border: 6px solid #fff;
    border-radius: 12px;
    box-shadow: 0 8px 22px rgba(15, 35, 80, 0.1);
}

.yl-contact-note {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    margin-top: 14px;
    padding: 7px 12px;
    border-radius: 8px;
    background: #eef5ff;
    color: #51617a;
    font-size: 11.5px;
}

.yl-steps {
    counter-reset: yl-step;
    display: grid;
    gap: 12px;
    margin: 20px 0;
    padding: 0 !important;
    list-style: none !important;
}

.yl-steps li {
    counter-increment: yl-step;
    position: relative;
    display: flex;
    flex-direction: column;
    gap: 3px;
    margin: 0 !important;
    padding: 15px 18px 15px 58px;
    border: 1px solid var(--yl-border);
    border-radius: 13px;
    background: #fbfcfe;
}

.yl-steps li::before {
    content: counter(yl-step);
    position: absolute;
    left: 16px;
    top: 15px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    border-radius: 9px;
    background: linear-gradient(135deg, var(--yl-primary), var(--yl-cyan));
    color: #fff;
    font-size: 13px;
    font-weight: 800;
}

.yl-steps strong {
    color: var(--yl-ink);
    font-size: 14px;
}

.yl-steps span {
    color: var(--yl-muted);
    font-size: 12.5px;
    line-height: 1.7;
}

.yl-inline-notice {
    display: flex;
    align-items: flex-start;
    gap: 13px;
    margin: 20px 0;
    padding: 16px 18px;
    border: 1px solid #dbeafe;
    border-radius: 13px;
    background: linear-gradient(135deg, #f2f9ff, #eef6ff);
}

.yl-inline-notice > .yl-icon {
    color: var(--yl-primary);
    margin-top: 2px;
}

.yl-inline-notice strong {
    color: #14336b;
    font-size: 14px;
}

.yl-inline-notice p {
    margin-top: 3px !important;
    color: #5b7292;
    font-size: 12.5px;
    line-height: 1.7;
}

.yl-inline-notice a {
    color: var(--yl-primary);
    font-weight: 700;
}

/* --------------------------------------------------------------------------
   Auth pages
   -------------------------------------------------------------------------- */

.yl-auth-main {
    padding: 36px 0 50px;
}

.yl-auth-wrap {
    display: grid;
    grid-template-columns: minmax(0, 1.02fr) minmax(0, 0.98fr);
    min-height: 660px;
    overflow: hidden;
    border: 1px solid var(--yl-border);
    border-radius: 26px;
    background: #fff;
    box-shadow: 0 30px 70px rgba(15, 35, 80, 0.12);
}

.yl-auth-aside {
    position: relative;
    display: flex;
    flex-direction: column;
    padding: 44px 46px;
    overflow: hidden;
    background:
        radial-gradient(520px 320px at 90% 6%, rgba(56, 189, 248, 0.32), transparent 62%),
        radial-gradient(360px 280px at 0% 100%, rgba(249, 115, 22, 0.18), transparent 66%),
        linear-gradient(150deg, #071744 0%, #123a9e 55%, #0a86c7 100%);
    color: #fff;
}

.yl-auth-mesh {
    position: absolute;
    inset: 0;
    background-image: radial-gradient(rgba(255, 255, 255, 0.26) 1px, transparent 1px);
    background-size: 22px 22px;
    opacity: 0.28;
    mask-image: linear-gradient(135deg, #000 10%, transparent 70%);
    -webkit-mask-image: linear-gradient(135deg, #000 10%, transparent 70%);
    pointer-events: none;
}

.yl-auth-brand {
    position: relative;
    z-index: 1;
    display: inline-flex;
    align-items: center;
    gap: 12px;
    align-self: flex-start;
}

.yl-auth-brand span {
    display: flex;
    flex-direction: column;
    line-height: 1.1;
}

.yl-auth-brand strong {
    font-size: 19px;
    font-weight: 800;
}

.yl-auth-brand small {
    margin-top: 3px;
    font-size: 8px;
    letter-spacing: 0.18em;
    color: rgba(219, 234, 254, 0.66);
    font-weight: 700;
}

.yl-auth-aside-copy {
    position: relative;
    z-index: 1;
    margin-top: 54px;
}

.yl-auth-aside-copy h2 {
    margin-top: 13px;
    font-size: clamp(26px, 2.6vw, 36px);
    font-weight: 800;
    line-height: 1.28;
    letter-spacing: -0.02em;
}

.yl-auth-aside-copy p {
    margin-top: 12px;
    max-width: 440px;
    color: rgba(219, 234, 254, 0.82);
    font-size: 13.5px;
    line-height: 1.8;
}

.yl-auth-benefits {
    position: relative;
    z-index: 1;
    display: grid;
    gap: 10px;
    margin-top: 30px;
}

.yl-auth-benefits li {
    display: flex;
    align-items: flex-start;
    gap: 9px;
    color: rgba(235, 245, 255, 0.9);
    font-size: 12.5px;
    line-height: 1.65;
}

.yl-auth-benefits .yl-icon {
    margin-top: 2px;
    color: #7dd3fc;
}

.yl-auth-aside-foot {
    position: relative;
    z-index: 1;
    margin-top: auto;
    padding-top: 28px;
}

.yl-auth-stats {
    display: flex;
    gap: 30px;
    padding-top: 18px;
    border-top: 1px solid rgba(191, 219, 254, 0.2);
}

.yl-auth-stats span {
    display: flex;
    flex-direction: column;
    gap: 1px;
}

.yl-auth-stats strong {
    font-size: 20px;
    font-weight: 800;
    line-height: 1.25;
}

.yl-auth-stats em {
    font-style: normal;
    color: rgba(219, 234, 254, 0.62);
    font-size: 10.5px;
}

.yl-auth-aside-foot > p {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    margin-top: 14px;
    color: rgba(219, 234, 254, 0.64);
    font-size: 11px;
}

.yl-auth-panel {
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 46px 48px;
}

.yl-auth-panel-head .yl-pill {
    background: #eef4ff;
    color: var(--yl-primary);
}

.yl-auth-panel-head h1 {
    margin-top: 12px;
    font-size: clamp(24px, 2.4vw, 30px);
    font-weight: 800;
    letter-spacing: -0.015em;
    color: var(--yl-ink);
    line-height: 1.3;
}

.yl-auth-panel-head p {
    margin-top: 6px;
    color: var(--yl-muted);
    font-size: 13px;
}

.yl-auth-panel-head a {
    color: var(--yl-primary);
    font-weight: 700;
}

.yl-auth-note,
.yl-alert {
    display: flex;
    align-items: flex-start;
    gap: 8px;
    margin-top: 18px;
    padding: 11px 13px;
    border-radius: 10px;
    font-size: 12px;
    line-height: 1.65;
}

.yl-auth-note {
    border: 1px solid #dbeafe;
    background: #f4faff;
    color: #42678f;
}

.yl-auth-note .yl-icon {
    margin-top: 1px;
    color: var(--yl-primary);
}

.yl-auth-note strong {
    color: var(--yl-primary-dark);
}

.yl-alert {
    border: 1px solid #fecaca;
    background: #fef2f2;
    color: #b42318;
}

.yl-alert.is-error .yl-icon {
    margin-top: 1px;
}

.yl-alert.is-warn {
    border-color: #fde68a;
    background: #fffbeb;
    color: #92400e;
}

.yl-form {
    display: grid;
    gap: 15px;
    margin-top: 22px;
}

.yl-field {
    display: grid;
    gap: 6px;
}

.yl-field > span:first-child {
    color: #3d4c62;
    font-size: 12.5px;
    font-weight: 600;
}

.yl-field input {
    width: 100%;
    height: 47px;
    padding: 0 14px;
    border: 1px solid var(--yl-border-strong);
    border-radius: 10px;
    background: #fbfcfe;
    color: var(--yl-ink);
    font-size: 14px;
    outline: 0;
    transition: border-color 0.2s ease, background 0.2s ease, box-shadow 0.2s ease;
}

.yl-field input::placeholder {
    color: #a3b0c2;
    font-size: 13px;
}

.yl-field input:focus {
    border-color: rgba(37, 99, 235, 0.55);
    background: #fff;
    box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.1);
}

.yl-password {
    position: relative;
    display: block;
}

.yl-password input {
    padding-right: 58px;
}

.yl-password-toggle {
    position: absolute;
    top: 50%;
    right: 8px;
    transform: translateY(-50%);
    height: 31px;
    padding: 0 9px;
    border: 0;
    border-radius: 7px;
    background: #eef3fa;
    color: #64748b;
    font-size: 11px;
    font-weight: 600;
}

.yl-password-toggle:hover {
    color: var(--yl-primary);
    background: #eaf2ff;
}

.yl-form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

.yl-form-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin-top: -2px;
}

.yl-checkbox {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    color: #5f6f86;
    font-size: 12.5px;
    cursor: pointer;
}

.yl-checkbox input {
    width: 15px;
    height: 15px;
    margin: 0;
    accent-color: var(--yl-primary);
}

.yl-agree {
    align-items: flex-start;
    margin-top: 2px;
    line-height: 1.6;
}

.yl-agree a {
    color: var(--yl-primary);
    font-weight: 600;
}

.yl-form-link {
    color: var(--yl-primary);
    font-size: 12.5px;
    font-weight: 600;
}

.yl-turnstile-wrap {
    display: grid;
    gap: 6px;
    min-height: 74px;
}

.yl-turnstile-tip {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    color: #8493a8;
    font-size: 11px;
}

.yl-auth-switch {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin-top: 20px;
    padding-top: 17px;
    border-top: 1px dashed #e8eef8;
    color: var(--yl-muted);
    font-size: 11.5px;
}

.yl-auth-switch a {
    display: inline-flex;
    align-items: center;
    gap: 3px;
    flex: none;
    color: var(--yl-primary);
    font-weight: 700;
}

.yl-auth-help {
    display: flex;
    align-items: center;
    gap: 6px;
    margin-top: 14px;
    color: #8493a8;
    font-size: 11.5px;
}

.yl-auth-help .yl-icon {
    color: var(--yl-primary);
}

.yl-auth-help strong {
    color: #51617a;
}

/* --------------------------------------------------------------------------
   User center
   -------------------------------------------------------------------------- */

.yl-user-hero {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    overflow: hidden;
    padding: 30px 34px;
    border-radius: var(--yl-radius-lg);
    background:
        radial-gradient(500px 260px at 88% 0%, rgba(56, 189, 248, 0.34), transparent 62%),
        linear-gradient(120deg, #081a4b 0%, #1743ad 58%, #0b8fd3 100%);
    color: #fff;
    box-shadow: 0 22px 50px rgba(11, 31, 92, 0.22);
}

.yl-user-hero-mesh {
    position: absolute;
    inset: 0;
    background-image: radial-gradient(rgba(255, 255, 255, 0.3) 1px, transparent 1px);
    background-size: 24px 24px;
    opacity: 0.24;
    mask-image: linear-gradient(120deg, #000, transparent 70%);
    -webkit-mask-image: linear-gradient(120deg, #000, transparent 70%);
    pointer-events: none;
}

.yl-user-identity {
    position: relative;
    z-index: 1;
    display: flex;
    align-items: center;
    gap: 18px;
}

.yl-user-avatar {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 82px;
    height: 82px;
    border: 3px solid rgba(255, 255, 255, 0.42);
    border-radius: 24px;
    background: linear-gradient(135deg, #3b82f6, #06b6d4);
    color: #fff;
    font-size: 30px;
    font-weight: 800;
    box-shadow: 0 16px 36px rgba(3, 15, 45, 0.26);
}

.yl-user-role {
    display: inline-flex;
    padding: 2px 9px;
    border-radius: 6px;
    background: rgba(255, 255, 255, 0.16);
    border: 1px solid rgba(255, 255, 255, 0.18);
    color: #dbeafe;
    font-size: 10.5px;
    font-weight: 700;
}

.yl-user-identity h1 {
    margin-top: 6px;
    font-size: 26px;
    font-weight: 800;
    letter-spacing: -0.015em;
    line-height: 1.3;
}

.yl-user-identity p {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    margin-top: 3px;
    color: rgba(219, 234, 254, 0.72);
    font-size: 12px;
}

.yl-user-hero-actions {
    position: relative;
    z-index: 1;
    display: flex;
    flex-wrap: wrap;
    gap: 9px;
    flex: none;
}

.yl-user-hero-actions .yl-btn {
    height: 40px;
    padding: 0 16px;
    font-size: 12.5px;
}

.yl-user-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-top: 22px;
}

.yl-user-grid-lower {
    grid-template-columns: 1.15fr 0.85fr;
}

.yl-user-card {
    padding: 22px 24px;
    border: 1px solid var(--yl-border);
    border-radius: var(--yl-radius);
    background: #fff;
    box-shadow: var(--yl-shadow-sm);
}

.yl-user-status {
    padding: 2px 9px;
    border-radius: 6px;
    background: var(--yl-green-soft);
    color: #07845f;
    font-size: 10.5px;
    font-weight: 700;
}

.yl-user-dl {
    display: grid;
    gap: 0;
    margin: 14px 0 0;
}

.yl-user-dl > div {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 10px 0;
    border-top: 1px dashed #eff3f9;
}

.yl-user-dl dt {
    color: #8493a8;
    font-size: 12px;
}

.yl-user-dl dd {
    margin: 0;
    color: #33415a;
    font-size: 12.5px;
    font-weight: 600;
    text-align: right;
    overflow-wrap: anywhere;
}

.yl-user-mail-card > p {
    margin-top: 12px;
    color: var(--yl-muted);
    font-size: 12.5px;
    line-height: 1.75;
}

.yl-user-mail-address {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-top: 13px;
    padding: 11px 13px;
    border: 1px solid #dbeafe;
    border-radius: 10px;
    background: #f7fbff;
    color: #1e40af;
    font-size: 12.5px;
    font-weight: 600;
    overflow-wrap: anywhere;
}

.yl-user-mail-address .yl-icon {
    color: var(--yl-primary);
}

.yl-user-mail-actions {
    display: flex;
    gap: 8px;
    margin-top: 14px;
}

.yl-user-mail-actions .yl-btn {
    height: 38px;
    padding: 0 15px;
    font-size: 12.5px;
}

.yl-user-mail-tip {
    margin-top: 10px !important;
    color: #95a3b7 !important;
    font-size: 11px !important;
}

.yl-user-post-list {
    display: grid;
    gap: 0;
    margin-top: 10px;
}

.yl-user-post-list li {
    border-top: 1px dashed #eff3f9;
}

.yl-user-post-list li:first-child {
    border-top: 0;
}

.yl-user-post-list a {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 9px 0;
}

.yl-user-post-cover {
    flex: none;
    width: 82px;
    height: 52px;
    overflow: hidden;
    border-radius: 8px;
    background: #eef3fa;
}

.yl-user-post-cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.yl-user-post-copy {
    display: flex;
    flex-direction: column;
    gap: 4px;
    min-width: 0;
}

.yl-user-post-copy strong {
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    color: #33415a;
    font-size: 12.5px;
    font-weight: 600;
    line-height: 1.5;
}

.yl-user-post-list a:hover strong {
    color: var(--yl-primary);
}

.yl-user-post-copy small {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    color: #a2afc1;
    font-size: 10.5px;
}

.yl-user-post-empty {
    padding: 18px 0;
    color: var(--yl-muted);
    font-size: 12.5px;
}

.yl-user-campus {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.yl-user-campus h2 {
    margin-top: 13px;
    font-size: 17px;
    font-weight: 800;
    color: var(--yl-ink);
}

.yl-user-campus > p {
    margin-top: 6px;
    color: var(--yl-muted);
    font-size: 12.5px;
    line-height: 1.75;
}

.yl-user-campus .yl-btn {
    height: 38px;
    margin-top: 14px;
    padding: 0 15px;
    font-size: 12.5px;
}

.yl-user-contact {
    display: flex;
    flex-wrap: wrap;
    gap: 8px 14px;
    margin-top: 15px;
    padding-top: 13px;
    border-top: 1px dashed #eff3f9;
}

.yl-user-contact span {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    color: #64748b;
    font-size: 11.5px;
}

.yl-user-contact .yl-icon {
    color: var(--yl-primary);
}

/* --------------------------------------------------------------------------
   Footer
   -------------------------------------------------------------------------- */

.yl-footer {
    margin-top: 54px;
    padding-top: 50px;
    background:
        radial-gradient(700px 300px at 50% 0%, rgba(37, 99, 235, 0.16), transparent 70%),
        #0b1220;
    color: #94a3b8;
}

.yl-footer-cta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 28px;
    padding: 32px 36px;
    border: 1px solid rgba(125, 211, 252, 0.18);
    border-radius: 20px;
    background:
        radial-gradient(480px 240px at 92% 0%, rgba(56, 189, 248, 0.3), transparent 62%),
        linear-gradient(118deg, #0c2461 0%, #1d4ed8 55%, #0284c7 100%);
    color: #fff;
    box-shadow: 0 24px 50px rgba(3, 10, 30, 0.35);
}

.yl-footer-cta h2 {
    margin-top: 8px;
    font-size: 25px;
    font-weight: 800;
    letter-spacing: -0.015em;
    line-height: 1.35;
}

.yl-footer-cta p {
    margin-top: 7px;
    color: rgba(219, 234, 254, 0.78);
    font-size: 12.5px;
}

.yl-footer-cta-actions {
    display: flex;
    gap: 10px;
    flex: none;
}

.yl-footer-cta-actions .yl-btn {
    height: 44px;
    padding: 0 20px;
}

.yl-footer-grid {
    display: grid;
    grid-template-columns: 1.45fr 0.85fr 1fr 1.05fr;
    gap: 34px;
    padding: 44px 0 34px;
}

.yl-brand-footer .yl-brand-text strong {
    color: #fff;
}

.yl-brand-footer .yl-brand-text small {
    color: rgba(148, 163, 184, 0.8);
}

.yl-footer-brand > p {
    margin-top: 14px;
    max-width: 330px;
    color: #8fa0b8;
    font-size: 12px;
    line-height: 1.8;
}

.yl-footer-contact {
    display: grid;
    gap: 7px;
    margin-top: 16px;
}

.yl-footer-contact span,
.yl-footer-contact a {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: #a8b7ca;
    font-size: 11.5px;
}

.yl-footer-contact span .yl-icon,
.yl-footer-contact a .yl-icon {
    color: #60a5fa;
}

.yl-footer-contact a:hover {
    color: #fff;
}

.yl-footer-col h3 {
    color: #e2e8f0;
    font-size: 13.5px;
    font-weight: 700;
    letter-spacing: 0.02em;
}

.yl-footer-links {
    display: grid;
    gap: 9px;
    margin-top: 15px;
}

.yl-footer-links a {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    color: #8fa0b8;
    font-size: 12px;
}

.yl-footer-links a:hover {
    color: #fff;
}

.yl-footer-links a span {
    color: #64748b;
    font-size: 10.5px;
}

.yl-footer-extra {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    margin-top: 14px;
    padding: 6px 10px;
    border: 1px solid rgba(96, 165, 250, 0.28);
    border-radius: 7px;
    background: rgba(37, 99, 235, 0.14);
    color: #93c5fd;
    font-size: 11px;
    font-weight: 600;
}

.yl-footer-extra:hover {
    color: #fff;
    border-color: rgba(147, 197, 253, 0.5);
}

.yl-footer-qrs {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
    margin-top: 15px;
}

.yl-footer-qrs figure {
    margin: 0;
    padding: 7px 7px 5px;
    border-radius: 10px;
    background: #fff;
    text-align: center;
}

.yl-footer-qrs img {
    width: 100%;
    aspect-ratio: 1;
    object-fit: contain;
    border-radius: 6px;
}

.yl-footer-qrs figcaption {
    margin-top: 4px;
    color: #64748b;
    font-size: 10px;
    font-weight: 600;
}

.yl-footer-qr-note {
    margin-top: 9px;
    color: #7c8da4;
    font-size: 10.5px;
}

.yl-footer-bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 18px 0 22px;
    border-top: 1px solid rgba(148, 163, 184, 0.14);
    color: #6b7c93;
    font-size: 11px;
}

.yl-footer-bottom a {
    color: #93a8c2;
}

.yl-footer-bottom a:hover {
    color: #fff;
}

/* --------------------------------------------------------------------------
   Responsive
   -------------------------------------------------------------------------- */

@media (max-width: 1180px) {
    .yl-header-inner {
        gap: 16px;
    }

    .yl-search {
        width: 176px;
    }

    .yl-nav > li > a {
        padding-inline: 10px;
        font-size: 14px;
    }

    .yl-home-layout,
    .yl-page-layout,
    .yl-single-layout {
        grid-template-columns: minmax(0, 1fr) 300px;
        gap: 22px;
    }

    .yl-hero {
        padding: 42px 38px;
    }

    .yl-grid {
        gap: 18px;
    }

    .yl-hero-art {
        transform: scale(0.92);
    }
}

@media (max-width: 1024px) {
    .yl-nav-wrap {
        display: none;
    }

    .yl-menu-btn {
        display: inline-flex;
    }

    .yl-search {
        display: none;
    }

    .yl-header-inner {
        min-height: 70px;
    }

    .yl-home-layout,
    .yl-page-layout,
    .yl-single-layout {
        grid-template-columns: minmax(0, 1fr);
    }

    .yl-sidebar {
        position: static;
        grid-template-columns: repeat(2, minmax(0, 1fr));
        align-items: start;
    }

    .yl-profile-card {
        grid-row: span 2;
    }

    .yl-side-contact {
        grid-column: span 2;
    }

    .yl-hero {
        min-height: 390px;
    }

    .yl-hero-art {
        opacity: 0.9;
        transform: scale(0.84);
        transform-origin: center right;
    }

    .yl-auth-wrap {
        grid-template-columns: 1fr;
        min-height: 0;
    }

    .yl-auth-aside {
        padding: 34px 38px;
    }

    .yl-auth-aside-copy {
        margin-top: 28px;
    }

    .yl-auth-benefits {
        grid-template-columns: 1fr 1fr;
        gap: 8px 20px;
    }

    .yl-auth-aside-foot {
        margin-top: 24px;
    }

    .yl-auth-panel {
        padding: 38px;
    }

    .yl-footer-grid {
        grid-template-columns: 1.4fr 1fr 1fr;
    }

    .yl-footer-qr-col {
        grid-column: span 3;
        display: grid;
        grid-template-columns: 180px 1fr;
        align-items: start;
        gap: 16px;
    }

    .yl-footer-qr-col h3 {
        grid-column: span 2;
    }
}

@media (max-width: 860px) {
    .yl-container {
        width: calc(100% - 36px);
    }

    .yl-hero {
        grid-template-columns: 1fr;
        min-height: 0;
        padding: 38px 32px 42px;
    }

    .yl-hero-art {
        display: none;
    }

    .yl-hero-copy {
        max-width: none;
    }

    .yl-hero h1 {
        font-size: 36px;
    }

    .yl-sidebar {
        grid-template-columns: 1fr;
    }

    .yl-profile-card {
        grid-row: auto;
    }

    .yl-side-contact {
        grid-column: auto;
    }

    .yl-side-qrs {
        grid-template-columns: 1fr 1fr;
    }

    .yl-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .yl-single-card {
        padding: 26px 24px;
    }

    .yl-page-card {
        padding: 30px 26px;
    }

    .yl-resource-bar {
        grid-template-columns: 1fr 1fr;
    }

    .yl-delivery-card {
        grid-template-columns: auto minmax(0, 1fr);
    }

    .yl-delivery-action {
        grid-column: 1 / -1;
    }

    .yl-contact-grid {
        grid-template-columns: 1fr;
    }

    .yl-contact-qr {
        width: 180px;
    }

    .yl-footer-cta {
        flex-direction: column;
        align-items: flex-start;
        padding: 26px 26px;
    }

    .yl-footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 26px;
    }

    .yl-footer-qr-col {
        grid-column: span 2;
    }

    .yl-footer-bottom {
        flex-direction: column;
        align-items: flex-start;
        gap: 6px;
    }

    .yl-user-hero {
        flex-direction: column;
        align-items: flex-start;
    }

    .yl-user-grid,
    .yl-user-grid-lower {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 640px) {
    .yl-container {
        width: calc(100% - 28px);
    }

    .yl-announce-inner {
        gap: 8px;
        font-size: 11.5px;
    }

    .yl-announce-badge,
    .yl-announce-link {
        display: none;
    }

    .yl-announce-text {
        white-space: normal;
        line-height: 1.5;
    }

    .yl-header-inner {
        min-height: 64px;
        gap: 10px;
    }

    .yl-brand-text strong {
        font-size: 17px;
    }

    .yl-brand .yl-logo-mark {
        width: 36px;
        height: 36px;
    }

    .yl-login-link {
        display: none;
    }

    .yl-register-link {
        height: 37px;
        padding-inline: 13px;
        font-size: 12.5px;
    }

    .yl-user-name,
    .yl-user-btn > .yl-icon {
        display: none;
    }

    .yl-user-btn {
        height: 38px;
        padding: 0 4px;
        border: 0;
        background: transparent;
    }

    .yl-home-layout,
    .yl-page-layout,
    .yl-single-layout {
        padding-top: 18px;
        gap: 20px;
    }

    .yl-hero {
        padding: 30px 22px 32px;
        border-radius: 18px;
    }

    .yl-hero h1 {
        margin-top: 14px;
        font-size: 29px;
        line-height: 1.24;
    }

    .yl-hero-copy > p {
        font-size: 13.5px;
        line-height: 1.75;
    }

    .yl-hero-search {
        margin-top: 18px;
        padding: 5px 5px 5px 13px;
        border-radius: 12px;
    }

    .yl-hero-search input {
        height: 40px;
        font-size: 13px;
    }

    .yl-hero-search button {
        height: 40px;
        padding: 0 12px;
        font-size: 12.5px;
    }

    .yl-hero-search button .yl-icon {
        display: none;
    }

    .yl-hero-tags {
        gap: 6px;
    }

    .yl-hero-tags a {
        font-size: 11px;
        padding: 3px 9px;
    }

    .yl-hero-points {
        gap: 10px;
        font-size: 11.5px;
    }

    .yl-welcome {
        flex-wrap: wrap;
        padding: 14px;
    }

    .yl-welcome .yl-btn {
        width: 100%;
    }

    .yl-section {
        margin-top: 24px;
    }

    .yl-section-head {
        align-items: flex-end;
    }

    .yl-section-sub {
        display: none;
    }

    .yl-section-more {
        font-size: 12px;
    }

    .yl-chip-row {
        gap: 7px;
        margin: 14px 0 16px;
        overflow-x: auto;
        flex-wrap: nowrap;
        padding-bottom: 3px;
        scrollbar-width: none;
    }

    .yl-chip-row::-webkit-scrollbar {
        display: none;
    }

    .yl-chip {
        flex: none;
        height: 32px;
        padding: 0 13px;
        font-size: 12px;
    }

    .yl-grid {
        grid-template-columns: 1fr;
        gap: 15px;
    }

    .yl-card {
        flex-direction: row;
        min-height: 118px;
    }

    .yl-card-cover {
        flex: none;
        width: 132px;
        aspect-ratio: auto;
        height: auto;
    }

    .yl-card-cat {
        top: 8px;
        left: 8px;
        padding: 2px 7px;
        font-size: 10px;
    }

    .yl-card-type {
        top: 8px;
        right: 8px;
        padding: 2px 7px;
        font-size: 9.5px;
    }

    .yl-card-play {
        display: none;
    }

    .yl-card-body {
        padding: 11px 12px 10px;
    }

    .yl-card-title {
        min-height: 0;
        font-size: 13.5px;
        line-height: 1.45;
    }

    .yl-card-tags {
        margin-top: 7px;
        gap: 5px;
    }

    .yl-tag {
        font-size: 10px;
        padding: 2px 7px;
    }

    .yl-card-meta {
        gap: 9px;
        padding-top: 8px;
        font-size: 10.5px;
    }

    .yl-card-meta span:nth-child(3) {
        display: none;
    }

    .yl-archive-head {
        align-items: flex-start;
        padding: 18px 16px;
        gap: 12px;
    }

    .yl-archive-icon {
        width: 46px;
        height: 46px;
        border-radius: 13px;
    }

    .yl-archive-copy h1 {
        font-size: 20px;
    }

    .yl-archive-copy p {
        font-size: 12px;
    }

    .yl-archive-count {
        display: none;
    }

    .yl-single-card {
        padding: 22px 18px;
        border-radius: 16px;
    }

    .yl-single-head h1 {
        font-size: 23px;
    }

    .yl-single-meta {
        gap: 7px 12px;
        font-size: 11px;
    }

    .yl-resource-bar {
        gap: 10px;
        padding: 13px 14px;
    }

    .yl-content {
        margin-top: 20px;
        font-size: 15px;
        line-height: 1.85;
    }

    .yl-content h2 {
        font-size: 19px;
    }

    .yl-lock-box {
        flex-wrap: wrap;
        padding: 16px;
    }

    .yl-lock-copy {
        flex: 1;
        min-width: 180px;
    }

    .yl-lock-actions {
        width: 100%;
    }

    .yl-lock-actions .yl-btn {
        flex: 1;
    }

    .yl-download-list {
        grid-template-columns: 1fr;
    }

    .yl-delivery-card {
        grid-template-columns: 1fr;
        gap: 12px;
        padding: 17px;
    }

    .yl-delivery-icon {
        width: 44px;
        height: 44px;
    }

    .yl-delivery-action {
        grid-column: auto;
    }

    .yl-delivery-action .yl-btn {
        flex: 1;
    }

    .yl-single-share {
        flex-direction: column;
        align-items: flex-start;
        gap: 9px;
    }

    .yl-single-nav {
        grid-template-columns: 1fr;
    }

    .yl-grid-related {
        grid-template-columns: 1fr;
    }

    .yl-page-card {
        padding: 24px 18px;
        border-radius: 16px;
    }

    .yl-page-help {
        flex-direction: column;
        align-items: flex-start;
    }

    .yl-page-help-actions {
        width: 100%;
    }

    .yl-page-help-actions .yl-btn {
        flex: 1;
    }

    .yl-auth-main {
        padding: 20px 0 34px;
    }

    .yl-auth-wrap {
        border-radius: 18px;
    }

    .yl-auth-aside {
        padding: 26px 22px;
    }

    .yl-auth-aside-copy {
        margin-top: 20px;
    }

    .yl-auth-aside-copy h2 {
        font-size: 24px;
    }

    .yl-auth-benefits {
        grid-template-columns: 1fr;
        margin-top: 18px;
    }

    .yl-auth-aside-foot {
        display: none;
    }

    .yl-auth-panel {
        padding: 26px 20px 30px;
    }

    .yl-auth-panel-head h1 {
        font-size: 23px;
    }

    .yl-form-grid {
        grid-template-columns: 1fr;
    }

    .yl-auth-switch {
        align-items: flex-start;
        flex-direction: column;
        gap: 7px;
    }

    .yl-user-hero {
        padding: 24px 20px;
        border-radius: 18px;
    }

    .yl-user-avatar {
        width: 64px;
        height: 64px;
        border-radius: 19px;
        font-size: 24px;
    }

    .yl-user-identity {
        gap: 13px;
    }

    .yl-user-identity h1 {
        font-size: 21px;
    }

    .yl-user-hero-actions {
        width: 100%;
    }

    .yl-user-hero-actions .yl-btn {
        flex: 1;
    }

    .yl-user-card {
        padding: 18px 16px;
    }

    .yl-footer {
        margin-top: 36px;
        padding-top: 32px;
    }

    .yl-footer-cta {
        padding: 24px 20px;
        border-radius: 16px;
    }

    .yl-footer-cta h2 {
        font-size: 21px;
    }

    .yl-footer-cta-actions {
        width: 100%;
        flex-direction: column;
    }

    .yl-footer-cta-actions .yl-btn {
        width: 100%;
    }

    .yl-footer-grid {
        grid-template-columns: 1fr;
        gap: 24px;
        padding: 32px 0 26px;
    }

    .yl-footer-qr-col {
        grid-column: auto;
        display: block;
    }

    .yl-footer-qr-col h3 {
        grid-column: auto;
    }

    .yl-footer-qrs {
        max-width: 260px;
    }

    .yl-footer-bottom {
        font-size: 10.5px;
    }

    .yl-pagination .page-numbers {
        min-width: 34px;
        height: 34px;
        padding: 0 10px;
        font-size: 12px;
    }

    .yl-notfound {
        padding: 40px 18px;
        border-radius: 16px;
    }

    .yl-notfound-code {
        font-size: 62px;
    }
}

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        scroll-behavior: auto !important;
        transition-duration: 0.01ms !important;
    }
}