a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible,
[tabindex]:focus-visible,
.search-tab:focus-visible,
.filter-tag:focus-visible,
.resource:focus-visible,
.tool-item:focus-visible {
    outline: 3px solid #FFE370 !important;
    outline-offset: 2px !important;
    box-shadow: 0 0 0 1px #5D3A1A !important;
}

a:focus:not(:focus-visible),
button:focus:not(:focus-visible) {
    outline: none;
}

@media (pointer: coarse) {
    .search-tab,
    .search-btn,
    .filter-tag,
    .elder-mode-btn,
    .back-home,
    .footer-links a,
    .btn-login,
    .advice-form .form-submit,
    .error-actions .btn {
        min-height: 2.75rem;
        min-width: 2.75rem;
    }
}

.skip-link:focus {
    top: max(0.75rem, env(safe-area-inset-top)) !important;
    left: max(1rem, env(safe-area-inset-left)) !important;
    z-index: 100000 !important;
}

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

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

@media (prefers-contrast: more) {
    .search-input,
    .form-input,
    input.ipinput {
        border-width: 2px !important;
    }
}

.portal-flash {
    margin: 0 0 1rem;
    padding: 0.875rem 1rem;
    border-radius: 0.75rem;
    font-family: "Microsoft YaHei", sans-serif;
    font-size: 0.9375rem;
    line-height: 1.5;
    border: 1px solid transparent;
}

.portal-flash--success {
    background: rgba(74, 124, 89, 0.12);
    border-color: rgba(74, 124, 89, 0.35);
    color: #2D5A3A;
}

.portal-flash--error {
    background: rgba(192, 57, 43, 0.08);
    border-color: rgba(155, 44, 26, 0.35);
    color: #9B2C1A;
}

.portal-flash[hidden] { display: none !important; }

.form-input[aria-invalid="true"],
input.is-invalid {
    border-color: #9B2C1A !important;
    box-shadow: 0 0 0 2px rgba(155, 44, 26, 0.15);
}

.form-error.is-visible,
.field-error.is-visible {
    color: #9B2C1A;
    font-size: 0.8125rem;
    margin-top: 0.35rem;
    display: block;
}

.footer-links a,
.footer-info a,
.main a:not(.resource):not(.tool-item):not(.search-btn):not(.btn-login) {
    text-decoration: underline;
    text-underline-offset: 2px;
}

.portal-video-wrap video,
.gzd-video-wrap video {
    max-width: 100%;
    height: auto;
    background: #1a0f08;
}

.portal-video-wrap video:focus-visible,
.gzd-video-wrap video:focus-visible {
    outline: 3px solid #DAB030;
    outline-offset: 4px;
}

.header-top--with-welcome,
.header-top:has(.ip-display) {
    justify-content: flex-end !important;
    align-items: flex-end;
    flex-direction: column;
    flex-wrap: nowrap;
    gap: 0.35rem;
    min-height: 0;
    margin: 0;
    padding: 0 0 0.2rem;
    font-size: 0.9375rem;
    line-height: 1.45;
}

.header-top__row {
    display: flex;
    width: 100%;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.5rem 0.625rem;
}

.header-top--with-welcome .ip-display {
    margin-left: auto;
    flex-shrink: 0;
}

.header-top--with-welcome .portal-access-notice {
    align-self: flex-end;
    max-width: min(100%, 34rem);
}

.gzd-mini-scroll {
    display: inline-flex;
    align-items: stretch;
    flex: 0 1 auto;
    max-width: min(100%, 28rem);
    margin: 0;
    vertical-align: middle;
    filter: drop-shadow(0 1px 4px rgba(90, 48, 18, 0.1));
}

.gzd-mini-scroll__roller {
    position: relative;
    flex-shrink: 0;
    width: 0.4375rem;
    align-self: stretch;
    min-height: 2.5rem;
    background:
        repeating-linear-gradient(
            0deg,
            rgba(0, 0, 0, 0.05) 0,
            rgba(0, 0, 0, 0.05) 1px,
            transparent 1px,
            transparent 4px
        ),
        linear-gradient(
            90deg,
            #3D2817 0%,
            #5D3A1A 18%,
            #8B5A32 42%,
            #A0724A 50%,
            #8B5A32 58%,
            #6B4423 82%,
            #4A3020 100%
        );
    box-shadow:
        inset 0 2px 4px rgba(255, 255, 255, 0.12),
        inset 0 -2px 5px rgba(0, 0, 0, 0.22),
        1px 0 4px rgba(90, 48, 18, 0.12);
    z-index: 1;
}

.gzd-mini-scroll__roller::before,
.gzd-mini-scroll__roller::after {
    content: "";
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    width: 150%;
    height: 0.3125rem;
    border-radius: 50%;
    background: radial-gradient(ellipse at center, #A0724A 0%, #6B4423 55%, #4A3020 100%);
    box-shadow:
        inset 0 1px 2px rgba(255, 255, 255, 0.18),
        inset 0 -1px 2px rgba(0, 0, 0, 0.28);
    z-index: 2;
}

.gzd-mini-scroll__roller::before {
    top: -0.1rem;
}

.gzd-mini-scroll__roller::after {
    bottom: -0.1rem;
}

.gzd-mini-scroll__roller--l {
    border-radius: 5px 2px 2px 5px;
    margin-right: 1px;
}

.gzd-mini-scroll__roller--r {
    border-radius: 2px 5px 5px 2px;
    margin-left: 1px;
}

.gzd-mini-scroll__paper {
    position: relative;
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    min-width: 0;
    padding: 0.4rem 0.75rem 0.38rem 0.55rem;
    background:
        linear-gradient(
            180deg,
            rgba(255, 252, 245, 0.98) 0%,
            #F9F0DC 42%,
            #EDE0C4 100%
        );
    border-top: 1px solid rgba(218, 176, 48, 0.42);
    border-bottom: 1px solid rgba(139, 90, 43, 0.3);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.65);
}

.gzd-mini-scroll__paper::before {
    content: "";
    position: absolute;
    inset: 3px 6px;
    border: 1px solid rgba(218, 176, 48, 0.2);
    pointer-events: none;
}

.gzd-mini-scroll__paper::after {
    content: "";
    position: absolute;
    inset: 0;
    opacity: 0.35;
    pointer-events: none;
    background: repeating-linear-gradient(
        93deg,
        transparent 0,
        transparent 8px,
        rgba(122, 62, 26, 0.03) 8px,
        rgba(122, 62, 26, 0.03) 9px
    );
}

.gzd-mini-scroll--gold .gzd-mini-scroll__paper {
    background:
        linear-gradient(
            180deg,
            rgba(255, 252, 245, 0.98) 0%,
            #FAF0D8 38%,
            #EDE0C4 100%
        );
    border-top-color: rgba(218, 176, 48, 0.48);
    border-bottom-color: rgba(139, 90, 43, 0.32);
}

.gzd-mini-scroll--gold .gzd-mini-scroll__paper::before {
    border-color: rgba(218, 176, 48, 0.24);
    inset: 2px 5px;
}

.gzd-mini-scroll--jade .gzd-mini-scroll__paper {
    background:
        linear-gradient(
            180deg,
            rgba(252, 255, 253, 0.98) 0%,
            #E8F2EC 38%,
            #D8E8DE 100%
        );
    border-top-color: rgba(74, 124, 89, 0.42);
    border-bottom-color: rgba(45, 90, 58, 0.28);
    padding: 0.45rem 0.65rem 0.42rem 0.5rem;
}

.gzd-mini-scroll--jade .gzd-mini-scroll__paper::before {
    border-color: rgba(74, 124, 89, 0.22);
    inset: 2px 5px;
}

.portal-access-notice {
    font-family: "STKaiti", "KaiTi", "Noto Serif SC", serif;
    font-size: 0.8125rem;
    color: #3D5C48;
    letter-spacing: 0.02em;
    animation: portal-access-in 0.45s cubic-bezier(0.34, 1.56, 0.64, 1) both;
}

.portal-access-notice[hidden] {
    display: none !important;
}

@keyframes portal-access-in {
    from {
        opacity: 0;
        transform: translateY(-0.35rem);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.portal-access-notice__paper {
    align-items: flex-start;
    gap: 0.375rem;
    min-width: 12rem;
}

.portal-access-notice__mark {
    position: relative;
    z-index: 2;
    flex-shrink: 0;
    align-self: flex-start;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 1.5rem;
    height: 1.5rem;
    margin-bottom: 0.1rem;
    font-family: "Ma Shan Zheng", "STKaiti", "KaiTi", serif;
    font-size: 0.8125rem;
    line-height: 1;
    color: #F4FBF6;
    background: linear-gradient(145deg, #5D9A6E 0%, #4A7C59 55%, #3A6348 100%);
    border-radius: 2px;
    box-shadow:
        0 1px 2px rgba(45, 90, 58, 0.25),
        inset 0 1px 0 rgba(255, 255, 255, 0.22);
}

.portal-access-notice__body {
    display: flex;
    flex-direction: column;
    gap: 0.28rem;
    min-width: 0;
    width: 100%;
}

.portal-access-notice__head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.5rem;
}

.portal-access-notice__title {
    font-size: 0.875rem;
    font-weight: 600;
    color: #2D5A3A;
    letter-spacing: 0.04em;
}

.portal-access-notice__close {
    flex-shrink: 0;
    width: 1.25rem;
    height: 1.25rem;
    padding: 0;
    border: none;
    border-radius: 50%;
    background: rgba(74, 124, 89, 0.12);
    color: #4A7C59;
    font-size: 1rem;
    line-height: 1;
    cursor: pointer;
    transition: background 0.15s ease, color 0.15s ease;
}

.portal-access-notice__close:hover {
    background: rgba(74, 124, 89, 0.22);
    color: #2D5A3A;
}

.portal-access-notice__close:focus-visible {
    outline: 2px solid #4A7C59;
    outline-offset: 2px;
}

.portal-access-notice__desc {
    display: block;
    font-size: 0.8125rem;
    line-height: 1.5;
    color: #4A6B55;
}

.portal-access-notice__school {
    font-weight: 600;
    color: #2D5A3A;
    margin: 0 0.15em;
}

.portal-access-notice__desc-label,
.portal-access-notice__desc-tail {
    color: #5A7A65;
}

.portal-access-notice__libs {
    display: flex;
    flex-wrap: wrap;
    gap: 0.28rem 0.35rem;
    margin-top: 0.1rem;
}

.portal-access-lib-tag {
    display: inline-flex;
    align-items: center;
    padding: 0.12rem 0.45rem;
    font-size: 0.75rem;
    line-height: 1.35;
    color: #2D5A3A;
    background: rgba(255, 255, 255, 0.72);
    border: 1px solid rgba(74, 124, 89, 0.28);
    border-radius: 999px;
    white-space: nowrap;
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.85);
}

.portal-access-lib-tag--main {
    color: #6B5A3A;
    border-color: rgba(218, 176, 48, 0.35);
    background: rgba(255, 252, 245, 0.85);
}

.portal-welcome {
    font-family: "STKaiti", "KaiTi", "Noto Serif SC", serif;
    font-size: inherit;
    font-weight: 400;
    color: #9B5E30;
    letter-spacing: 0.03em;
}

.portal-welcome__mark,
.ip-display__mark {
    position: relative;
    z-index: 2;
    flex-shrink: 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 1.625rem;
    height: 1.625rem;
    font-family: "Ma Shan Zheng", "STKaiti", "KaiTi", serif;
    font-size: 0.875rem;
    line-height: 1;
    border-radius: 2px;
    box-shadow:
        0 1px 2px rgba(90, 48, 18, 0.22),
        inset 0 1px 0 rgba(255, 255, 255, 0.2);
}

.portal-welcome__mark {
    color: #FFF6E8;
    background: linear-gradient(165deg, #C44A38 0%, #A63D2E 48%, #8B3224 100%);
    border: 1px solid rgba(90, 32, 18, 0.32);
    transform: rotate(-4deg);
    text-shadow: 0 1px 0 rgba(0, 0, 0, 0.18);
}

.portal-welcome__text {
    position: relative;
    z-index: 2;
    display: block;
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.portal-welcome__prefix,
.portal-welcome__suffix {
    font-weight: 400;
    color: #9B5E30;
}

.portal-welcome__who {
    margin: 0 0.18em;
    font-weight: 600;
    color: #5D3A1A;
}

.portal-welcome__tail {
    color: #8B5A32;
    font-weight: 400;
}

.portal-welcome__sep {
    margin: 0 0.2em;
    opacity: 0.5;
}

.portal-welcome__motto {
    letter-spacing: 0.1em;
    font-size: 0.9375em;
}

.ip-display {
    font-family: "STKaiti", "KaiTi", "Noto Serif SC", serif;
    font-size: inherit;
    color: #8B5A32;
    transition: filter 0.2s ease;
}

.ip-display:hover {
    filter: drop-shadow(0 2px 6px rgba(90, 48, 18, 0.14));
}

.gzd-mini-scroll--sepia .gzd-mini-scroll__paper {
    background:
        linear-gradient(
            180deg,
            rgba(252, 248, 240, 0.98) 0%,
            #F3EBDC 42%,
            #E6D9C4 100%
        );
    border-top-color: rgba(166, 133, 37, 0.36);
    border-bottom-color: rgba(107, 68, 35, 0.28);
}

.gzd-mini-scroll--sepia .gzd-mini-scroll__paper::before {
    border-color: rgba(139, 90, 43, 0.2);
    inset: 2px 5px;
}

.gzd-mini-scroll--sepia .gzd-mini-scroll__paper::after {
    background: repeating-linear-gradient(
        93deg,
        transparent 0,
        transparent 8px,
        rgba(107, 68, 35, 0.035) 8px,
        rgba(107, 68, 35, 0.035) 9px
    );
}

.ip-display__mark {
    color: #FFF8EE;
    background: linear-gradient(165deg, #A0724A 0%, #7A5230 50%, #5D3A1A 100%);
    border: 1px solid rgba(61, 40, 23, 0.38);
    transform: rotate(3deg);
    text-shadow: 0 1px 0 rgba(0, 0, 0, 0.15);
}

.ip-display__body {
    position: relative;
    z-index: 2;
    display: inline-flex;
    align-items: baseline;
    flex-wrap: wrap;
    gap: 0.2rem 0.35rem;
    min-width: 0;
}

.ip-display__label {
    font-size: 0.9375em;
    font-weight: 500;
    color: #9B5E30;
    letter-spacing: 0.12em;
    white-space: nowrap;
}

.ip-display .ip-value,
.ip-display__value {
    font-family: "JetBrains Mono", "Consolas", "SF Mono", monospace;
    font-size: 1em;
    font-weight: 600;
    color: #5D3A1A;
    letter-spacing: 0.02em;
}

.ip-display__icon {
    display: none;
}

.ip-display:not(.gzd-mini-scroll) {
    display: inline-flex;
    align-items: center;
    gap: 0.3125rem;
    padding: 0.1875rem 0.5625rem;
    background: rgba(201, 162, 39, 0.06);
    border: 1px solid rgba(139, 90, 43, 0.14);
    border-radius: 999px;
    color: #8B5A32;
}

.ip-display:not(.gzd-mini-scroll) .ip-display__icon {
    display: flex;
    width: 0.875rem;
    height: 0.875rem;
    color: #9B5E30;
}

.gzd-portal-elder-page .header .portal-welcome.gzd-mini-scroll {
    display: inline-flex;
    justify-content: center;
    max-width: 100%;
    margin: 0.5rem auto 0;
    font-size: 0.9375rem;
}

.gzd-portal-elder-page .gzd-mini-scroll__roller {
    min-height: 2.375rem;
    width: 0.5rem;
}

.gzd-portal-elder-page .portal-welcome__mark,
.gzd-portal-elder-page .ip-display__mark {
    width: 1.5rem;
    height: 1.5rem;
    font-size: 0.8125rem;
}

.gzd-portal-elder-page .portal-welcome__text {
    white-space: normal;
    overflow: visible;
    text-overflow: clip;
}

.gzd-portal-elder-page .ip-display.gzd-mini-scroll {
    font-size: 0.9375rem;
}

@media (max-width: 768px) {
    .portal-welcome__tail {
        display: none;
    }

    .header-top--with-welcome {
        flex-direction: column;
        align-items: stretch;
    }

    .header-top__row {
        flex-direction: column;
        align-items: stretch;
    }

    .header-top--with-welcome .ip-display {
        margin-left: 0;
        align-self: flex-end;
    }

    .header-top--with-welcome .gzd-mini-scroll,
    .header-top--with-welcome .portal-access-notice {
        max-width: 100%;
        margin-left: 0;
        align-self: stretch;
    }

    .portal-welcome__text {
        white-space: normal;
    }
}

@media (max-width: 520px) {
    .portal-welcome__tail {
        display: none;
    }

    .header-top--with-welcome {
        flex-direction: column;
        align-items: stretch;
    }

    .header-top__row {
        flex-direction: column;
        align-items: stretch;
    }

    .header-top--with-welcome .gzd-mini-scroll,
    .header-top--with-welcome .portal-access-notice {
        max-width: 100%;
        margin-left: 0;
        align-self: flex-end;
    }

    .portal-welcome__text {
        white-space: normal;
    }
}

.portal-search-loading {
    position: fixed;
    inset: 0;
    z-index: 100000;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(253, 248, 232, 0.92);
}

.portal-search-loading[hidden] {
    display: none !important;
}

.portal-search-loading__panel {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
    padding: 1.25rem 1.5rem;
    border-radius: 0.75rem;
    background: rgba(255, 255, 255, 0.85);
    box-shadow: 0 8px 24px rgba(122, 62, 26, 0.15);
}

.portal-search-loading__spinner {
    width: 2.75rem;
    height: 2.75rem;
    border: 0.25rem solid rgba(122, 62, 26, 0.15);
    border-top-color: #7A3E1A;
    border-radius: 50%;
    animation: portal-search-spin 0.8s linear infinite;
}

.portal-search-loading__text {
    margin: 0;
    color: #7A3E1A;
    font-size: 0.9375rem;
}

.search-btn[disabled] {
    opacity: 0.72;
    cursor: wait;
}

@keyframes portal-search-spin {
    to {
        transform: rotate(360deg);
    }
}