:root {
    --bg: #130b08;
    --bg-soft: #21130e;
    --card: rgba(33, 19, 13, 0.76);
    --text: #fff1e7;
    --muted: #ffd7bc;
    --line: rgba(255, 211, 171, 0.26);
    --warm-1: #ff7e2a;
    --warm-2: #ffb14f;
    --warm-3: #ff5a3f;
    --green: #86ba47;
    --shadow: 0 24px 70px rgba(0, 0, 0, 0.5);
    --fur-light: #ffd8b6;
    --fur-main: #ff9a58;
    --fur-deep: #cc5d2f;
}

* {
    box-sizing: border-box;
}

html,
body {
    margin: 0;
    min-height: 100%;
}

body {
    font-family: 'Noto Sans SC', system-ui, -apple-system, Segoe UI, Roboto, 'PingFang SC', 'Microsoft YaHei', sans-serif;
    color: var(--text);
    background:
        radial-gradient(circle at 15% 20%, rgba(255, 126, 42, 0.34), transparent 35%),
        radial-gradient(circle at 85% 10%, rgba(255, 177, 79, 0.28), transparent 32%),
        radial-gradient(circle at 50% 100%, rgba(134, 186, 71, 0.14), transparent 40%),
        linear-gradient(145deg, #0a0605 0%, #1a100d 44%, #2b180f 100%);
    overflow-x: hidden;
}

body::before {
    content: '';
    position: fixed;
    inset: 0;
    background: linear-gradient(120deg, rgba(255, 255, 255, 0.04), transparent 30%, rgba(255, 255, 255, 0.02), transparent 70%);
    pointer-events: none;
    z-index: 0;
}

body::after {
    content: '';
    position: fixed;
    inset: 0;
    background:
        repeating-linear-gradient(35deg, rgba(255, 206, 160, 0.03) 0 8px, rgba(129, 76, 48, 0.04) 8px 16px),
        radial-gradient(circle at 75% 75%, rgba(255, 173, 97, 0.08), transparent 40%);
    pointer-events: none;
    z-index: 0;
}

.noise {
    position: fixed;
    inset: 0;
    background-image: radial-gradient(rgba(255, 231, 210, 0.08) 0.6px, transparent 0.6px);
    background-size: 3px 3px;
    mix-blend-mode: soft-light;
    opacity: 0.34;
    pointer-events: none;
    z-index: 0;
}

.noise::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        radial-gradient(circle at 12px 12px, rgba(255, 186, 131, 0.11) 0 3px, transparent 3.2px),
        radial-gradient(circle at 26px 30px, rgba(255, 186, 131, 0.1) 0 2px, transparent 2.3px),
        radial-gradient(circle at 40px 10px, rgba(255, 186, 131, 0.1) 0 2px, transparent 2.3px),
        radial-gradient(circle at 54px 28px, rgba(255, 186, 131, 0.1) 0 2px, transparent 2.3px),
        radial-gradient(circle at 68px 12px, rgba(255, 186, 131, 0.1) 0 2px, transparent 2.3px);
    background-size: 96px 64px;
    opacity: 0.32;
}

.paw-field {
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 1;
    overflow: hidden;
}

.paw {
    position: absolute;
    left: var(--x);
    top: var(--y);
    width: 130px;
    height: 130px;
    transform: translate(-50%, -50%) rotate(var(--r)) scale(var(--s));
    filter: drop-shadow(0 14px 28px rgba(0, 0, 0, 0.2));
    opacity: 0.56;
    animation: pawFloat 8.2s ease-in-out infinite;
    animation-delay: var(--d);
}

.main-pad,
.toe {
    position: absolute;
    background: radial-gradient(circle at 35% 28%, rgba(255, 239, 227, 0.92) 0%, rgba(255, 192, 149, 0.95) 45%, rgba(255, 127, 80, 0.95) 100%);
    border: 1px solid rgba(255, 229, 209, 0.55);
    box-shadow: inset -8px -10px 18px rgba(175, 72, 36, 0.23), inset 6px 8px 15px rgba(255, 245, 235, 0.42), 0 6px 15px rgba(157, 60, 28, 0.2);
}

.main-pad {
    width: 84px;
    height: 72px;
    left: 23px;
    bottom: 8px;
    border-radius: 48% 48% 44% 44% / 58% 58% 40% 40%;
}

.toe {
    width: 28px;
    height: 32px;
    border-radius: 50%;
}

.t1 {
    left: 16px;
    top: 22px;
}

.t2 {
    left: 43px;
    top: 10px;
}

.t3 {
    left: 70px;
    top: 10px;
}

.t4 {
    left: 95px;
    top: 22px;
}

.container {
    width: min(1140px, calc(100% - 2rem));
    margin: 0 auto;
    padding: 2rem 0 1rem;
    position: relative;
    z-index: 2;
}

.glass {
    background: linear-gradient(145deg, rgba(255, 250, 243, 0.1), rgba(255, 241, 226, 0.02));
    border: 1px solid var(--line);
    box-shadow: var(--shadow);
    backdrop-filter: blur(9px);
    -webkit-backdrop-filter: blur(9px);
}

.hero {
    border-radius: 30px;
    padding: 2rem;
    position: relative;
    overflow: hidden;
    isolation: isolate;
}

.furry-runes {
    display: flex;
    gap: 0.45rem;
    align-items: center;
    margin-bottom: 0.28rem;
}

.furry-runes span {
    width: 1.7rem;
    height: 1.7rem;
    display: inline-grid;
    place-items: center;
    border-radius: 50%;
    background: radial-gradient(circle at 35% 30%, #ffd7b8, #ff9b60 70%);
    box-shadow: inset 0 0 0 1px rgba(255, 239, 225, 0.5), 0 8px 18px rgba(164, 77, 40, 0.3);
    font-size: 0.9rem;
}

.hero-ears {
    position: absolute;
    inset: -26px 0 auto 0;
    pointer-events: none;
}

.ear {
    position: absolute;
    width: 72px;
    height: 88px;
    background: linear-gradient(160deg, #ffc283 0%, #ff9b59 65%, #e56a35 100%);
    clip-path: polygon(50% 0%, 100% 100%, 0% 100%);
    filter: drop-shadow(0 10px 15px rgba(0, 0, 0, 0.22));
}

.ear::after {
    content: '';
    position: absolute;
    left: 50%;
    top: 20px;
    transform: translateX(-50%);
    width: 32px;
    height: 52px;
    border-radius: 60% 60% 45% 45%;
    background: linear-gradient(180deg, #ffd8bc, #ffb98a);
    clip-path: polygon(50% 0%, 100% 100%, 0% 100%);
    opacity: 0.85;
}

.ear-left {
    left: 36px;
    transform: rotate(-14deg);
}

.ear-right {
    right: 36px;
    transform: rotate(14deg);
}

.furry-intro {
    margin: 0.9rem 0 0.4rem;
    display: flex;
    flex-wrap: wrap;
    gap: 0.55rem;
}

.furry-intro span {
    font-size: 0.82rem;
    color: #ffe5d1;
    padding: 0.36rem 0.72rem;
    border-radius: 999px;
    border: 1px solid rgba(255, 221, 188, 0.35);
    background: linear-gradient(145deg, rgba(255, 153, 85, 0.16), rgba(171, 95, 56, 0.14));
}

.hero::before {
    content: '';
    position: absolute;
    inset: -200px;
    background: conic-gradient(from 220deg, transparent 20%, rgba(255, 126, 42, 0.4), transparent 60%, rgba(255, 90, 63, 0.27), transparent 100%);
    z-index: -1;
    animation: spin 20s linear infinite;
    will-change: transform;
}

.hero::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.1), transparent 35%);
    z-index: -1;
}

.topline {
    margin: 0;
    text-transform: uppercase;
    letter-spacing: 0.18rem;
    color: #ffd6b7;
    font-size: 0.78rem;
    opacity: 0.95;
}

h1 {
    margin: 0.55rem 0 0.7rem;
    font-size: clamp(2rem, 6vw, 4rem);
    line-height: 1.1;
    text-shadow: 0 7px 34px rgba(255, 126, 42, 0.38);
}

.lead {
    margin: 0;
    font-size: clamp(1rem, 2.3vw, 1.2rem);
    color: var(--muted);
    max-width: 62ch;
    line-height: 1.75;
}

.tag-list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.6rem;
    margin: 1.2rem 0 1.6rem;
}

.tag {
    padding: 0.35rem 0.78rem;
    border-radius: 999px;
    border: 1px solid rgba(255, 222, 190, 0.4);
    background: linear-gradient(145deg, rgba(255, 145, 62, 0.24), rgba(150, 79, 44, 0.18));
    color: #ffe7d3;
    font-size: 0.88rem;
}

.qq-card {
    display: flex;
    align-items: center;
    gap: 1.2rem;
    width: fit-content;
    min-width: min(100%, 460px);
    padding: 1rem;
    border-radius: 18px;
    border: 1px solid rgba(255, 227, 200, 0.35);
    background:
        radial-gradient(circle at 16% 12%, rgba(255, 225, 197, 0.18), transparent 32%),
        linear-gradient(135deg, rgba(255, 126, 42, 0.26), rgba(158, 85, 49, 0.24));
    position: relative;
    overflow: hidden;
}

.qq-card::after {
    content: '🐾🐾';
    position: absolute;
    right: 12px;
    top: 10px;
    font-size: 1.3rem;
    opacity: 0.26;
    letter-spacing: 0.22rem;
}

.contact-split {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.9rem;
}

.group-card {
    min-width: 0;
    width: 100%;
    background: linear-gradient(135deg, rgba(226, 120, 68, 0.26), rgba(116, 71, 46, 0.22));
}

.group-info {
    gap: 0.6rem;
}

.group-text {
    margin: 0;
    color: #ffe4cf;
    line-height: 1.7;
}

.qq-stack {
    display: grid;
    gap: 0.5rem;
    justify-items: center;
    text-decoration: none;
    color: var(--text);
    transition: transform 0.25s ease;
}

.qq-stack:hover {
    transform: translateY(-2px);
}

.avatar-wrap {
    width: 94px;
    height: 94px;
    border-radius: 50%;
    padding: 4px;
    background: linear-gradient(135deg, var(--warm-1), var(--warm-2), var(--green));
    box-shadow: 0 10px 34px rgba(255, 122, 24, 0.5);
}

.avatar {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 50%;
    display: block;
    background: #fff;
}

.qq-info {
    display: grid;
    gap: 0.4rem;
}

.qq-label {
    margin: 0;
    color: #ffe0cb;
    font-size: 0.9rem;
}

.qq-name {
    margin: 0;
    color: #fff2e7;
    font-weight: 700;
    font-size: 1rem;
}

.qq-fallback {
    margin: 0.2rem 0 0;
    color: #ffd5b7;
    font-size: 0.84rem;
    line-height: 1.5;
}

.qq-number {
    margin: 0;
    letter-spacing: 0.06rem;
    font-weight: 800;
    font-size: 1rem;
    text-shadow: 0 0 18px rgba(255, 187, 92, 0.45);
}

.btn {
    justify-self: start;
    margin-top: 0.15rem;
    text-decoration: none;
    color: #23120a;
    background: linear-gradient(145deg, #ffd38a, #ffbb5c);
    border: 0;
    border-radius: 999px;
    padding: 0.48rem 1rem;
    font-weight: 700;
    box-shadow: 0 12px 28px rgba(255, 173, 68, 0.38);
    transition: transform 0.25s ease, filter 0.25s ease;
}

.btn-row {
    display: flex;
    flex-wrap: wrap;
    gap: 0.55rem;
}

.btn-alt {
    color: #ffe7d4;
    background: linear-gradient(145deg, rgba(255, 169, 90, 0.18), rgba(255, 93, 66, 0.2));
    border: 1px solid rgba(255, 214, 177, 0.34);
    box-shadow: 0 8px 24px rgba(255, 105, 65, 0.24);
}

.btn:hover {
    transform: translateY(-2px) scale(1.02);
    filter: brightness(1.03);
}

.grid {
    margin-top: 1.15rem;
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1rem;
    content-visibility: auto;
    contain-intrinsic-size: 900px;
}

.card {
    border-radius: 24px;
    padding: 1.25rem;
    position: relative;
    overflow: hidden;
    background-image: radial-gradient(rgba(255, 192, 148, 0.08) 1px, transparent 1px);
    background-size: 14px 14px;
}

.card::before {
    content: '';
    position: absolute;
    inset: -1px;
    border-radius: inherit;
    padding: 1px;
    background: linear-gradient(130deg, rgba(255, 173, 68, 0.75), rgba(255, 122, 24, 0.35), rgba(138, 191, 75, 0.5));
    -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
    mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    pointer-events: none;
}

h2 {
    margin: 0 0 0.8rem;
    font-size: 1.15rem;
    display: flex;
    align-items: center;
    gap: 0.45rem;
}

h2::before {
    content: '🐾';
    font-size: 0.95rem;
    opacity: 0.88;
}

ul {
    margin: 0;
    padding-left: 1rem;
    color: #ffe8d7;
    display: grid;
    gap: 0.56rem;
}

li::marker {
    color: #ffc57a;
}

.extra {
    margin-top: 0.9rem;
    color: #ffd3b8;
    line-height: 1.7;
}

.setting-panel {
    margin-top: 1rem;
    border-radius: 26px;
    padding: 0.75rem;
    box-shadow: 0 20px 70px rgba(0, 0, 0, 0.46), inset 0 0 0 1px rgba(255, 207, 172, 0.16);
}

.setting-stage {
    border-radius: 18px;
    border: 1px solid rgba(255, 222, 193, 0.35);
    background: rgba(12, 7, 6, 0.6);
    min-height: min(66vw, 600px);
    display: grid;
    place-items: center;
    overflow: hidden;
    position: relative;
    content-visibility: auto;
    contain-intrinsic-size: 620px;
    background-image: radial-gradient(rgba(255, 206, 170, 0.12) 1px, transparent 1px);
    background-size: 14px 14px;
}

#settingCanvas {
    width: 100%;
    height: auto;
    display: block;
    touch-action: none;
    user-select: none;
    -webkit-user-select: none;
    -webkit-user-drag: none;
}

.setting-status {
    display: none;
}

.lock-tip {
    display: none;
}

.footer {
    padding: 1rem 1rem 2rem;
    text-align: center;
    color: #ffd8be;
    opacity: 0.9;
    position: relative;
    z-index: 2;
    font-size: 0.95rem;
    text-shadow: 0 2px 14px rgba(170, 80, 45, 0.35);
}

.bg-orb {
    position: fixed;
    width: 38vw;
    aspect-ratio: 1;
    border-radius: 50%;
    filter: blur(70px);
    z-index: 0;
    opacity: 0.28;
    pointer-events: none;
}

.orb-a {
    background: #ff7a18;
    left: -8vw;
    top: -10vh;
    animation: drift 14s ease-in-out infinite;
}

.orb-b {
    background: #ff4d3d;
    right: -10vw;
    top: 28vh;
    animation: drift 20s ease-in-out infinite reverse;
}

.orb-c {
    background: #8abf4b;
    left: 30vw;
    bottom: -20vh;
    animation: drift 24s ease-in-out infinite;
}

#particles {
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 1;
    overflow: hidden;
    contain: strict;
}

.spark {
    position: absolute;
    border-radius: 50%;
    opacity: 0.56;
    animation: rise linear forwards;
    will-change: transform, opacity;
}

.reveal {
    opacity: 0;
    transform: translateY(14px) scale(0.98);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.reveal.show {
    opacity: 1;
    transform: translateY(0) scale(1);
}

.glow {
    animation: glowPulse 2.8s ease-in-out infinite;
}

.shake-on-hover:hover {
    animation: tinyShake 0.3s ease-in-out;
}

body.devtools-open .setting-stage {
    filter: blur(18px) brightness(0.45);
}

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

@keyframes drift {
    0%,
    100% {
        transform: translate(0, 0);
    }
    50% {
        transform: translate(2vw, -3vh);
    }
}

@keyframes rise {
    0% {
        transform: translateY(0) scale(0.8);
        opacity: 0;
    }
    20% {
        opacity: 0.45;
    }
    100% {
        transform: translateY(-110vh) scale(1.2);
        opacity: 0;
    }
}

@keyframes glowPulse {
    0%,
    100% {
        box-shadow: 0 10px 36px rgba(255, 122, 24, 0.25);
    }
    50% {
        box-shadow: 0 16px 50px rgba(255, 173, 68, 0.42);
    }
}

@keyframes pawFloat {
    0%,
    100% {
        transform: translate(-50%, -50%) rotate(var(--r)) scale(var(--s));
        opacity: 0.52;
    }
    50% {
        transform: translate(-50%, calc(-50% - 10px)) rotate(calc(var(--r) + 2deg)) scale(calc(var(--s) * 1.02));
        opacity: 0.68;
    }
}

@keyframes tinyShake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-1px); }
    50% { transform: translateX(1px); }
    75% { transform: translateX(-1px); }
}

@media (max-width: 980px) {
    .grid {
        grid-template-columns: 1fr;
    }

    .qq-card {
        width: 100%;
    }

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

@media (max-width: 740px) {
    .hero-ears {
        inset: -16px 0 auto 0;
    }

    .ear {
        width: 54px;
        height: 68px;
    }

    .ear::after {
        top: 15px;
        width: 24px;
        height: 40px;
    }

    .ear-left {
        left: 24px;
    }

    .ear-right {
        right: 24px;
    }

    .hero::before {
        animation-duration: 28s;
    }

    .noise {
        opacity: 0.2;
    }

    .paw {
        width: 96px;
        height: 96px;
        opacity: 0.46;
    }

    .main-pad {
        width: 62px;
        height: 52px;
        left: 17px;
        bottom: 7px;
    }

    .toe {
        width: 21px;
        height: 24px;
    }

    .t1 {
        left: 11px;
        top: 17px;
    }

    .t2 {
        left: 31px;
        top: 9px;
    }

    .t3 {
        left: 52px;
        top: 9px;
    }

    .t4 {
        left: 72px;
        top: 17px;
    }
}

@media (max-width: 640px) {
    .container {
        width: min(1100px, calc(100% - 1rem));
        padding-top: 1rem;
    }

    .hero {
        padding: 1.35rem 1rem 1.2rem;
        border-radius: 20px;
    }

    .qq-card {
        width: 100%;
        min-width: 0;
        align-items: center;
        flex-direction: column;
        text-align: center;
    }

    .avatar-wrap {
        width: 82px;
        height: 82px;
    }

    .qq-number {
        font-size: 1rem;
        word-break: break-all;
    }

    .btn {
        justify-self: center;
    }

    .btn-row {
        justify-content: center;
    }

    .setting-panel {
        padding: 0.9rem;
    }
}

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation: none !important;
        transition: none !important;
    }

    .reveal {
        opacity: 1;
        transform: none;
    }
}