/* 浮空孤岛 · 望星居 */

body.island-active {
    overflow: hidden;
    background: #04070d;
}

body.island-active .footer {
    display: none;
}

body.island-active .navbar {
    display: none;
}

body.island-active .main-content {
    margin-top: 0;
}

.island-section {
    padding: 0;
    background: #04070d;
}

.island-stage {
    position: relative;
    width: 100%;
    height: 100vh;
    height: 100dvh;
    min-height: 520px;
    overflow: hidden;
    background: #04070d;
}

.island-canvas {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.island-canvas canvas {
    display: block;
    width: 100%;
    height: 100%;
    touch-action: none;
    cursor: grab;
    outline: none;
}

.island-canvas canvas.is-dragging {
    cursor: grabbing;
}

.island-vignette {
    position: absolute;
    inset: 0;
    z-index: 1;
    pointer-events: none;
    background:
        radial-gradient(ellipse at 50% 46%, transparent 36%, rgba(3, 6, 11, 0.46) 82%, rgba(3, 6, 11, 0.86) 100%),
        linear-gradient(to bottom, rgba(3, 6, 11, 0.5) 0%, transparent 25%, transparent 66%, rgba(3, 6, 11, 0.8) 100%);
}

.island-hud {
    position: absolute;
    inset: 0;
    z-index: 2;
    pointer-events: none;
}

.island-brand {
    position: absolute;
    top: clamp(20px, 5vh, 56px);
    left: 50%;
    transform: translateX(-50%);
    text-align: center;
    color: #f2e8d5;
    animation: islandRise 1.6s cubic-bezier(0.22, 1, 0.36, 1) both;
    pointer-events: none;
}

.island-kicker {
    font-family: 'Inter', sans-serif;
    font-size: 10px;
    font-weight: 500;
    letter-spacing: 0.5em;
    color: rgba(201, 168, 106, 0.76);
    text-transform: uppercase;
    margin-bottom: 14px;
    padding-left: 0.5em;
}

.island-title {
    font-family: 'Noto Serif SC', 'Songti SC', 'STSong', 'SimSun', 'KaiTi', serif;
    font-size: clamp(44px, 6.2vw, 82px);
    font-weight: 400;
    letter-spacing: 0.32em;
    line-height: 1.08;
    padding-left: 0.32em;
    margin: 0;
    color: #f6ecd6;
    text-shadow:
        0 0 24px rgba(255, 210, 140, 0.26),
        0 0 80px rgba(120, 160, 230, 0.16),
        0 4px 18px rgba(0, 0, 0, 0.6);
}

.island-subtitle {
    margin-top: 12px;
    font-family: 'Noto Serif SC', 'Songti SC', 'STSong', 'SimSun', serif;
    font-size: clamp(12px, 1.2vw, 15px);
    letter-spacing: 0.4em;
    padding-left: 0.4em;
    color: rgba(226, 214, 190, 0.64);
}

.island-hints {
    position: absolute;
    bottom: 132px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    align-items: center;
    gap: 13px;
    font-size: 11px;
    letter-spacing: 0.22em;
    color: rgba(232, 222, 202, 0.5);
    white-space: nowrap;
    animation: islandFade 2s ease 1.2s both;
}

.island-hints i {
    width: 3px;
    height: 3px;
    border-radius: 50%;
    background: rgba(201, 168, 106, 0.5);
}

.island-rooms {
    position: absolute;
    bottom: 28px;
    left: 0;
    right: 0;
    margin: 0 auto;
    display: flex;
    justify-content: center;
    gap: 8px;
    padding: 8px;
    border: 1px solid rgba(201, 168, 106, 0.2);
    border-radius: 4px;
    background: rgba(7, 12, 21, 0.52);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    box-shadow: 0 18px 50px rgba(0, 0, 0, 0.45), inset 0 1px 0 rgba(255, 255, 255, 0.04);
    pointer-events: auto;
    animation: islandRise 1.6s cubic-bezier(0.22, 1, 0.36, 1) 0.25s both;
    width: min(660px, calc(100vw - 24px));
}

.island-room-card {
    position: relative;
    display: flex;
    align-items: center;
    gap: 11px;
    min-width: 148px;
    padding: 12px 17px;
    border: 1px solid transparent;
    border-radius: 2px;
    background: transparent;
    color: #e9dfca;
    font-family: inherit;
    text-align: left;
    cursor: pointer;
    transition: background 0.35s ease, border-color 0.35s ease, transform 0.35s ease;
}

.island-room-card + .island-room-card::before {
    content: '';
    position: absolute;
    left: -5px;
    top: 18%;
    bottom: 18%;
    width: 1px;
    background: rgba(201, 168, 106, 0.16);
    transition: opacity 0.3s ease;
}

.island-room-card:hover,
.island-room-card:focus-visible,
.island-room-card.is-active {
    background: rgba(201, 168, 106, 0.09);
    border-color: rgba(201, 168, 106, 0.38);
    transform: translateY(-2px);
    outline: none;
}

.island-room-card:hover + .island-room-card::before,
.island-room-card.is-active + .island-room-card::before {
    opacity: 0;
}

.room-index {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    flex: 0 0 28px;
    border: 1px solid rgba(201, 168, 106, 0.5);
    background: rgba(140, 42, 30, 0.32);
    color: #e5c98d;
    font-family: 'Noto Serif SC', 'Songti SC', 'STSong', 'SimSun', serif;
    font-size: 13px;
    transition: background 0.35s ease;
}

.island-room-card:hover .room-index,
.island-room-card.is-active .room-index {
    background: rgba(165, 58, 43, 0.7);
}

.room-text {
    display: flex;
    flex-direction: column;
    line-height: 1.25;
}

.room-name {
    font-family: 'Noto Serif SC', 'Songti SC', 'STSong', 'SimSun', serif;
    font-size: 16px;
    letter-spacing: 0.16em;
    color: #f1e7d2;
}

.room-tag {
    font-size: 10px;
    letter-spacing: 0.18em;
    color: rgba(201, 168, 106, 0.7);
    margin-top: 4px;
}

.island-hover-label {
    position: absolute;
    left: 0;
    top: 0;
    z-index: 3;
    padding: 7px 13px 8px;
    border: 1px solid rgba(201, 168, 106, 0.45);
    background: rgba(7, 12, 20, 0.8);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    color: #f3e7cf;
    font-family: 'Noto Serif SC', 'Songti SC', 'STSong', 'SimSun', serif;
    font-size: 13px;
    letter-spacing: 0.18em;
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.25s ease;
    transform: translate(-999px, -999px);
    box-shadow: 0 8px 26px rgba(0, 0, 0, 0.45);
}

.island-hover-label.is-visible {
    opacity: 1;
}

.island-hover-label small {
    display: block;
    margin-top: 3px;
    font-family: 'Inter', sans-serif;
    font-size: 9px;
    letter-spacing: 0.2em;
    color: rgba(201, 168, 106, 0.75);
}

.island-loading {
    position: absolute;
    inset: 0;
    z-index: 5;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 20px;
    background: radial-gradient(circle at 50% 45%, #0d1624 0%, #04070d 72%);
    transition: opacity 1.1s ease, visibility 1.1s ease;
    pointer-events: none;
}

.island-loading.is-hidden {
    opacity: 0;
    visibility: hidden;
}

.loading-seal {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 62px;
    height: 62px;
    border: 1px solid rgba(201, 168, 106, 0.55);
    background: rgba(140, 42, 30, 0.28);
    color: #e5c98d;
    font-family: 'Noto Serif SC', 'Songti SC', 'STSong', 'SimSun', serif;
    font-size: 26px;
    animation: sealBreath 2.4s ease-in-out infinite;
}

.island-loading p {
    font-family: 'Noto Serif SC', 'Songti SC', 'STSong', 'SimSun', serif;
    font-size: 12px;
    letter-spacing: 0.48em;
    padding-left: 0.48em;
    color: rgba(226, 214, 190, 0.6);
}

.island-fallback {
    position: absolute;
    inset: 0;
    z-index: 6;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 14px;
    padding: 24px;
    text-align: center;
    background: radial-gradient(circle at 50% 40%, #14202f 0%, #050a11 70%);
}

.island-fallback[hidden] {
    display: none;
}

.island-fallback h2 {
    font-family: 'Noto Serif SC', 'Songti SC', 'STSong', 'SimSun', serif;
    font-size: 34px;
    font-weight: 400;
    letter-spacing: 0.3em;
    color: #f2e6cd;
}

.island-fallback p {
    font-size: 13px;
    color: rgba(226, 214, 190, 0.62);
    letter-spacing: 0.08em;
}

.island-fallback-links {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 12px;
    margin-top: 12px;
}

.island-fallback-links a {
    padding: 9px 22px;
    border: 1px solid rgba(201, 168, 106, 0.38);
    border-radius: 2px;
    color: #e9dfca;
    font-family: 'Noto Serif SC', 'Songti SC', 'STSong', 'SimSun', serif;
    font-size: 13px;
    letter-spacing: 0.22em;
    text-decoration: none;
    transition: border-color 0.3s ease, color 0.3s ease, background 0.3s ease;
}

.island-fallback-links a:hover {
    border-color: rgba(201, 168, 106, 0.85);
    color: #f6ead2;
    background: rgba(201, 168, 106, 0.12);
}

.return-isle {
    position: fixed;
    left: 24px;
    bottom: 24px;
    z-index: 1200;
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 11px 18px;
    border: 1px solid rgba(201, 168, 106, 0.4);
    border-radius: 2px;
    background: rgba(12, 18, 28, 0.86);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    color: #e9dfca;
    font-family: 'Noto Serif SC', 'Songti SC', 'STSong', 'SimSun', serif;
    font-size: 13px;
    letter-spacing: 0.2em;
    cursor: pointer;
    opacity: 0;
    transform: translateY(12px);
    pointer-events: none;
    transition: opacity 0.4s ease, transform 0.4s ease, border-color 0.3s ease;
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.4);
}

body.away-from-isle .return-isle {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
}

.return-isle:hover {
    border-color: rgba(201, 168, 106, 0.8);
    color: #fff5df;
}

.return-isle span {
    font-size: 15px;
    color: #c9a86a;
}

.room-modal {
    position: fixed;
    inset: 0;
    z-index: 3000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
}

.room-modal[hidden] {
    display: none;
}

.room-modal-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(2, 5, 10, 0.66);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    animation: islandFade 0.4s ease both;
}

.room-modal-panel {
    position: relative;
    width: min(540px, calc(100vw - 32px));
    padding: 46px 46px 38px;
    text-align: center;
    background:
        radial-gradient(circle at 50% 0%, rgba(201, 168, 106, 0.13), transparent 55%),
        linear-gradient(160deg, #14120e 0%, #0b0f16 58%, #080b11 100%);
    border: 1px solid rgba(201, 168, 106, 0.42);
    box-shadow:
        0 40px 100px rgba(0, 0, 0, 0.72),
        inset 0 0 70px rgba(201, 168, 106, 0.05);
    animation: modalRise 0.55s cubic-bezier(0.22, 1, 0.36, 1) both;
}

.room-modal-panel::before,
.room-modal-panel::after {
    content: '';
    position: absolute;
    width: 26px;
    height: 26px;
    border: 1px solid rgba(201, 168, 106, 0.6);
}

.room-modal-panel::before {
    top: 10px;
    left: 10px;
    border-right: none;
    border-bottom: none;
}

.room-modal-panel::after {
    right: 10px;
    bottom: 10px;
    border-left: none;
    border-top: none;
}

.room-modal-close {
    position: absolute;
    top: 14px;
    right: 16px;
    width: 34px;
    height: 34px;
    border: none;
    background: transparent;
    color: rgba(226, 214, 190, 0.55);
    font-size: 24px;
    line-height: 1;
    cursor: pointer;
    transition: color 0.25s ease, transform 0.25s ease;
}

.room-modal-close:hover {
    color: #f4e9d2;
    transform: rotate(90deg);
}

.room-modal-kicker {
    font-family: 'Inter', sans-serif;
    font-size: 10px;
    letter-spacing: 0.4em;
    padding-left: 0.4em;
    color: rgba(201, 168, 106, 0.85);
    margin-bottom: 18px;
}

.room-modal-title {
    font-family: 'Noto Serif SC', 'Songti SC', 'STSong', 'SimSun', serif;
    font-size: clamp(38px, 6vw, 52px);
    font-weight: 400;
    letter-spacing: 0.2em;
    padding-left: 0.2em;
    color: #f6ecd6;
    margin-bottom: 22px;
    text-shadow: 0 0 30px rgba(255, 208, 138, 0.22);
}

.room-modal-rule {
    width: 84px;
    height: 1px;
    margin: 0 auto 22px;
    background: linear-gradient(90deg, transparent, rgba(201, 168, 106, 0.75), transparent);
    position: relative;
}

.room-modal-rule::after {
    content: '';
    position: absolute;
    left: 50%;
    top: 50%;
    width: 5px;
    height: 5px;
    background: rgba(201, 168, 106, 0.9);
    transform: translate(-50%, -50%) rotate(45deg);
}

.room-modal-desc {
    font-size: 14.5px;
    line-height: 2;
    letter-spacing: 0.04em;
    color: rgba(224, 214, 194, 0.76);
    margin-bottom: 20px;
}

.room-modal-meta {
    display: flex;
    justify-content: center;
    gap: 10px;
    font-size: 11px;
    letter-spacing: 0.18em;
    color: rgba(201, 168, 106, 0.68);
    margin-bottom: 32px;
}

.room-modal-meta i {
    width: 3px;
    height: 3px;
    border-radius: 50%;
    background: rgba(201, 168, 106, 0.45);
    align-self: center;
}

.room-modal-actions {
    display: flex;
    justify-content: center;
    gap: 14px;
}

.room-enter,
.room-later {
    font-family: 'Noto Serif SC', 'Songti SC', 'STSong', 'SimSun', serif;
    font-size: 14px;
    letter-spacing: 0.32em;
    padding: 13px 32px 13px 36px;
    border-radius: 2px;
    cursor: pointer;
    transition: transform 0.3s ease, box-shadow 0.3s ease, background 0.3s ease, color 0.3s ease, border-color 0.3s ease;
}

.room-enter {
    color: #f8eed8;
    background: linear-gradient(135deg, #8f3223 0%, #5f1f16 100%);
    border: 1px solid rgba(201, 168, 106, 0.65);
    box-shadow: 0 10px 26px rgba(120, 35, 24, 0.4);
}

.room-enter:hover {
    transform: translateY(-2px);
    box-shadow: 0 16px 34px rgba(140, 44, 30, 0.5);
    background: linear-gradient(135deg, #a63a28 0%, #70251a 100%);
}

.room-later {
    color: rgba(224, 214, 194, 0.7);
    background: transparent;
    border: 1px solid rgba(201, 168, 106, 0.22);
}

.room-later:hover {
    color: #f4e9d2;
    border-color: rgba(201, 168, 106, 0.5);
}

.island-transition {
    position: fixed;
    inset: 0;
    z-index: 4000;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #02040a;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

.island-transition.is-active {
    opacity: 1;
    visibility: visible;
}

.island-transition span {
    font-family: 'Noto Serif SC', 'Songti SC', 'STSong', 'SimSun', serif;
    font-size: 15px;
    letter-spacing: 0.6em;
    padding-left: 0.6em;
    color: rgba(232, 212, 172, 0.85);
    animation: sealBreath 2s ease-in-out infinite;
}

@keyframes islandRise {
    from { opacity: 0; transform: translateY(26px); }
    to { opacity: 1; transform: translateY(0); }
}

.island-brand {
    animation-name: islandRiseCentered;
}

@keyframes islandRiseCentered {
    from { opacity: 0; transform: translate(-50%, 22px); }
    to { opacity: 1; transform: translate(-50%, 0); }
}

@keyframes islandFade {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes sealBreath {
    0%, 100% { opacity: 0.55; transform: scale(0.97); }
    50% { opacity: 1; transform: scale(1); }
}

@keyframes modalRise {
    from { opacity: 0; transform: translateY(28px) scale(0.97); }
    to { opacity: 1; transform: translateY(0) scale(1); }
}

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

    body.island-active .ai-chat-widget {
        bottom: 128px;
        right: 14px;
    }

    body.island-active .ai-chat-toggle {
        width: 50px;
        height: 50px;
    }

    body.island-active .ai-chat-icon {
        font-size: 24px;
    }

    .island-rooms {
        bottom: 18px;
        gap: 4px;
        padding: 6px;
    }

    .island-room-card {
        min-width: 0;
        flex: 1;
        flex-direction: column;
        gap: 6px;
        padding: 10px 6px;
        text-align: center;
    }

    .island-room-card + .island-room-card::before {
        display: none;
    }

    .room-text {
        align-items: center;
    }

    .room-name {
        font-size: 13px;
        letter-spacing: 0.08em;
    }

    .room-tag {
        font-size: 9px;
        letter-spacing: 0.06em;
    }

    .room-index {
        width: 24px;
        height: 24px;
        flex: 0 0 24px;
        font-size: 12px;
    }

    .island-brand {
        top: 26px;
    }

    .island-kicker {
        letter-spacing: 0.34em;
        padding-left: 0.34em;
        font-size: 9px;
    }

    .island-title {
        letter-spacing: 0.2em;
        padding-left: 0.2em;
    }

    .island-subtitle {
        letter-spacing: 0.24em;
        padding-left: 0.24em;
        font-size: 11px;
    }

    .room-modal-panel {
        padding: 40px 24px 30px;
    }

    .room-modal-actions {
        flex-direction: column;
    }

    .room-enter,
    .room-later {
        width: 100%;
        letter-spacing: 0.24em;
    }

    .return-isle {
        left: 12px;
        bottom: 12px;
        padding: 9px 14px;
        font-size: 12px;
    }
}

@media (max-height: 560px) {
    .island-stage {
        min-height: 300px;
    }

    .island-brand {
        top: 10px;
    }

    .island-kicker,
    .island-subtitle,
    .island-hints {
        display: none;
    }

    .island-title {
        font-size: 28px;
    }

    .island-rooms {
        bottom: 8px;
        padding: 5px;
    }

    .island-room-card {
        padding: 7px 12px;
    }

    body.island-active .ai-chat-widget {
        bottom: 82px;
        right: 10px;
    }
}